Post-Quantum Cryptography

01 Communique Laboratory Inc. is a publicly traded Canadian cybersecurity company (TSX-V: ONE) founded in 1992, headquartered in Mississauga, Ontario. The company has pivoted to quantum-safe security, developing IronCAP, a proprietary post-quantum cryptographic (PQC) platform that protects data from both classical and quantum computer attacks. IronCAP implements NIST-standardized algorithms including ML-KEM (Kyber) and ML-DSA (Dilithium), offering products like IronCAP X for secure email, IronCAP Toolkits for developers, and IronCAP SCEP Gateway for enterprise certificate enrollment. The company serves enterprises, government agencies, healthcare organizations, and financial institutions requiring quantum-safe encryption solutions. 01 Communique is a founding member of the Post Quantum Computing Alliance (PQCA) and actively participates in industry efforts to accelerate PQC adoption worldwide. 2025 Developments: Development of quantum-safe cryptography solutions remains a priority in 2025. Focus on post-quantum cryptography standards and implementation. Active participation in industry standards bodies and security consortiums.

Accenture

Dublin, Ireland Company

Accenture PLC is an Irish-American professional services company founded in 1989, forming quantum research group in 2017 and partnering with startups like 1QBit to identify 150+ promising use cases for quantum in industries such as pharmaceuticals and finance. Through Accenture Quantum Lab, the company offers end-to-end quantum strategy and implementation services helping clients explore quantum advantages from roadmap to prototype. Accenture provides quantum security services and solutions preparing clients for future of cybersecurity with quantum encryption and post-quantum cryptography. The firm invested in quantum computing companies and developed quantum computing solutions for optimization, machine learning, and cryptography applications. Accenture serves global enterprises across finance, healthcare, manufacturing, and government sectors requiring quantum computing strategy, implementation consulting, and quantum-safe security solutions. Accenture combines quantum computing expertise with enterprise digital transformation capabilities supporting organizations transitioning to quantum-enabled business operations.

ADVA Optical

Munich, Germany Company

ADVA Optical Networking (now Adtran Networks following 2022 merger) is a German telecommunications equipment company founded in 1994, headquartered in Munich and Meiningen. ADVA develops quantum-safe networking solutions including quantum key distribution (QKD) integration, optical network infrastructure for quantum communications, and post-quantum cryptography implementations. The company collaborates with quantum technology providers and telecommunications operators deploying quantum-safe optical networks across Europe. ADVA serves telecommunications operators, enterprises, government agencies, and critical infrastructure sectors requiring quantum-safe communications and quantum network infrastructure. The company contributes to European quantum communication infrastructure development advancing quantum-safe networking and preparing telecommunications infrastructure for quantum internet and post-quantum security transitions protecting optical network security against quantum computing threats.

Airbus Quantum

Paris, France Company

Airbus is pioneering quantum computing applications in aerospace through strategic partnerships with Quantinuum, IonQ, and BMW Group to accelerate sustainable mobility research using cutting-edge quantum computers. The company launched the global Quantum Computing Challenge in 2024, attracting over 420 teams worldwide to develop quantum solutions for aviation and automotive challenges. Airbus focuses on quantum applications for hydrogen technology, fuel cell catalyst simulation, and secure communications infrastructure for aerospace platforms, investing through Airbus Ventures in quantum companies including IonQ, Q-CTRL, and QC Ware. The company collaborates with the University of Bristol's Quantum Technology Innovation Centre and develops quantum-safe security technologies for aerospace applications, demonstrating quantum computing's potential for solving computationally intensive tasks in sustainable aviation and ZEROe hydrogen-powered aircraft development.

Aires Applied Technology

Singapore, Singapore Company

Aires Applied Technology is a deep tech startup specializing in decentralized quantum security with customized encryption solutions including post-quantum cryptography. The company develops quantum-safe cryptographic systems and security solutions to protect against quantum computer threats. Aires Applied contributes to Singapore's quantum technology ecosystem by addressing critical cybersecurity challenges in the quantum era, providing customized security solutions for government and enterprise customers.

American Binary is a Washington-based cybersecurity company specializing in quantum-resistant cloud infrastructure solutions, founded in 2019. The company offers post-quantum virtual private networks (VPNs), disk encryption, and networking for data centers designed to secure data against future quantum computing threats. American Binary's flagship Ambit Client is a CNSA 2.0-compliant quantum-resistant VPN protecting against 'Harvest Now, Decrypt Later' attacks using lattice-based cryptography. Co-founded by CEO Kevin Kane (US Army veteran, former founder of Claro Automata and Jumpgate Technologies) and CTO Andrew McElroy, the company has raised $2.09M including a strategic investment from HEST Investments. American Binary joined Oracle's Defense Ecosystem second cohort in 2025 to accelerate AI, cyber, and cloud innovation for defense applications.

Anritsu

Atsugi, Japan Company

Anritsu Corporation is a Japanese telecommunications test and measurement equipment manufacturer founded in 1895, headquartered in Atsugi, Kanagawa. Anritsu provides test equipment for quantum communication systems including optical network analyzers, signal analyzers, and specialized measurement instruments for quantum key distribution (QKD) networks and quantum communication infrastructure validation. The company develops testing solutions for quantum-safe telecommunications and post-quantum cryptography implementations. Anritsu serves telecommunications operators, quantum technology companies, research institutions, and quantum network developers requiring precision test equipment for quantum communication systems. The company contributes to quantum communications infrastructure development providing essential test and measurement capabilities for quantum networking deployments and quantum-safe telecommunications validation advancing quantum technology commercialization in telecommunications sector.

API3 QRNG

Zug, Switzerland Company

API3 is a Swiss blockchain technology company founded in 2020 that partnered with Australian National University (ANU) Quantum Optics Group to launch API3 QRNG in May 2022, the first true random number generator for smart contracts using quantum vacuum fluctuations. The quantum random numbers use electromagnetic field vacuum fluctuations measured through balanced homodyne detection, providing ultra-high bandwidth truly unpredictable randomness for blockchain and Web3 applications. API3 QRNG is free to use (only gas fees), available on 13 blockchain platforms including Polygon, Avalanche, Fantom, Metis, Moonbeam, and RSK. The system uses encrypted data transmission via Amazon Web Services, destroying random numbers after use for security. Applications include gaming, NFTs, lotteries, crypto wallet generation, and blockchain applications requiring quantum-level unpredictability. API3 QRNG addresses Web3 security demands by providing quantum mechanics-based randomness for decentralized applications, smart contracts, and cryptographic operations. The service serves blockchain developers, DeFi platforms, gaming applications, and cryptocurrency projects requiring provably random numbers from quantum processes.

Arishti CyberTech is a Pune-based cybersecurity company developing quantum-safe messaging platform MessageMe for enterprises. Founded in 2020 and backed by IITB, the company uses patent-pending quantum security architecture for encrypted communications, targeting BFSI, Defense, and Legal sectors.

AROBS Polska

Wrocław, Poland Company

AROBS Polska is a Polish technology company, part of AROBS Transilvania Software, serving as prime contractor for ESA's Post-Quantum Satellite Communication Security project announced in March 2025. The company will develop hardware, firmware, and cryptographic IP core for the PQC ASTrAL (Post-Quantum Cryptography for Aerospace and Telecommunications) satellite communication security system, partnering with ResQuant as subcontractor specializing in hardware-implemented cryptographic solutions handling cryptographic aspects. The project develops post-quantum cryptography solutions for satellite communications protecting against quantum computing threats. AROBS Polska brings expertise in aerospace software development, embedded systems, and secure communications to space-based quantum-safe cryptography. The company serves European Space Agency, satellite operators, telecommunications providers, and defense organizations requiring post-quantum cryptographic protection for satellite communications systems. AROBS Polska focuses on practical implementation of NIST-approved PQC algorithms for space systems, ensuring long-term security of satellite communications against emerging quantum computing capabilities.

Arqit

London, United Kingdom Company

Arqit Quantum Inc (NASDAQ: ARQQ) develops symmetric key agreement (SKA) technology for quantum-safe encryption. Cash: $36.9M (Sept 2025). 2025 Contracts: First DoD contract, Intel partnership for CSfC-compliant mobile communications, three-year agreement with Tier 1 network operator (32 countries). September 2025: Fabric Networks commercial license, NCSC selected Arqit for UK PQC migrations. Joined Vodafone's Tomorrow Street Scaleup X programme. Launched SKA Edge Controller (SKA-EC) for military defense. Unveiled quantum-safe protection with Intel TDX confidential computing. FY 2025 revenue: ~$535k. Executed contracts generating ~$1.2M in FY 2026. Engaged 6 telecom operators and 17 commercial enterprises in H1 2025. Focus: telecom, government, defense sectors.

AT&T Quantum

San Francisco, United States Company

AT&T is researching quantum technologies for telecommunications applications including quantum key distribution, quantum-safe cryptography, and quantum networking infrastructure for secure communications. The company explores quantum technologies for network optimization, quantum-enhanced security protocols, and quantum communication systems that could provide ultra-secure connectivity for government, enterprise, and consumer applications. AT&T collaborates with quantum technology companies and research institutions to develop quantum networking capabilities, investigate quantum advantages for telecommunications infrastructure, and prepare network systems for quantum-safe security implementations. The company's quantum research focuses on practical quantum applications that could enhance network security, improve communication reliability, and enable new quantum-enhanced services for customers requiring the highest levels of security and performance.

Auriga Cyber Ventures

New York, United States Investor

Auriga Cyber Ventures is an American venture capital firm founded in 2021, focusing on investments in cybersecurity and quantum security companies. The firm participated in CryptoNext Security's 11 million euro funding round in December 2023, supporting post-quantum cryptography companies advancing quantum-safe security solutions. Auriga Cyber Ventures invests in early-stage and growth-stage companies developing quantum security, post-quantum cryptography, quantum key distribution, and quantum-safe communications technologies. The firm brings cybersecurity expertise and strategic support to quantum security startups addressing the quantum threat to current cryptographic systems. Auriga Cyber Ventures serves as investor and strategic advisor to quantum security companies, post-quantum cryptography developers, quantum communications providers, and cybersecurity innovators building quantum-safe solutions. The firm focuses on identifying and supporting companies developing practical quantum security solutions for enterprise, government, and critical infrastructure markets preparing for the post-quantum cryptography era and quantum computing threats to data security.

Banco de Santander Quantum Division

Madrid, Spain Company

Banco de Santander is a Spanish multinational financial services company founded in 1857 and headquartered in Madrid, Spain, with Quantum Division focusing on quantum-safe financial services and quantum cryptography implementations. Santander participates in Spain's QKD-GEO quantum key distribution geostationary satellite mission analyzing real use cases with Hispasat, BBVA, Telefónica, and Cellnex for quantum-secure banking communications. The bank invests in quantum-safe security technologies preparing financial infrastructure for post-quantum cryptography era and quantum computing threats to current encryption protecting financial transactions and customer data. Santander explores quantum key distribution for ultra-secure banking communications, post-quantum cryptography for protecting financial data, and quantum-safe blockchain implementations for digital banking services. The company collaborates with quantum security providers implementing NIST-approved PQC algorithms across banking infrastructure. Banco de Santander serves global banking markets requiring quantum-safe financial services, secure payment systems, and quantum-resistant cryptography protecting customer transactions, financial data, and banking communications against quantum computing threats.

Barclays

London, United Kingdom Company

Barclays PLC is a British multinational universal bank founded in 1690, headquartered in London, United Kingdom. Barclays explores quantum computing for financial services including portfolio optimization, derivatives pricing, risk analysis, and trading optimization. The company collaborates with quantum computing providers developing quantum algorithms for banking applications and quantum-safe security for financial transactions. Barclays investigates post-quantum cryptography protecting financial data and banking infrastructure against quantum computing threats. The company serves global banking markets requiring quantum-enhanced computational capabilities and quantum-safe security for financial services. Barclays advances quantum technology adoption in banking industry contributing to quantum computing research in finance and preparing for quantum-safe security transitions protecting banking operations and customer data against emerging quantum computing threats to financial security.

BBVA Quantum Division

Madrid, Spain Company

Banco Bilbao Vizcaya Argentaria (BBVA) is a Spanish multinational financial services company founded in 1857 (origins) and headquartered in Madrid, Spain, with Quantum Division developing quantum-safe banking technologies and post-quantum cryptography implementations. BBVA participates in Spain's QKD-GEO quantum key distribution geostationary satellite mission analyzing real use cases with Hispasat, Banco de Santander, Telefónica, and Cellnex for quantum-secure financial communications. The bank invests in quantum computing research, quantum-safe security technologies, and post-quantum cryptography preparing financial infrastructure for quantum computing threats to current encryption standards. BBVA explores quantum key distribution for ultra-secure interbank communications, post-quantum cryptography algorithms for protecting financial transactions, and quantum-safe blockchain for digital banking services. The company collaborates with quantum security providers implementing quantum-resistant cryptography across banking systems. BBVA serves global financial markets requiring quantum-safe banking infrastructure, secure payment systems, and quantum-resistant encryption protecting customer data, financial transactions, and banking communications against emerging quantum computing capabilities threatening current cryptographic systems.

Blackhills Quantum is Belgium's leading cybersecurity company providing quantum secure cloud solutions and consulting services for quantum-enabled data security. The company specializes in QKD (Quantum Key Distribution), PQC (Post-Quantum Cryptography), and QRNG (Quantum Random Number Generation) implementations. Founded in Hasselt, Belgium, Blackhills offers vendor-neutral, crypto-agile solutions following a hybrid approach for quantum security services and products. Their flagship QS DOME product provides quantum security for public and private cloud environments. The company has established strategic partnerships with defense contractors and cybersecurity firms to enhance quantum security solutions. Blackhills claims to be the only consultancy firm with over 3 years of experience in the quantum security field, offering worldwide quantum governance, validation and verification services. They also maintain a US presence through Blackhills Quantum Computing USA LLC in Dover, Delaware.

BT Group

London, United Kingdom Company

BT Group plc (formerly British Telecom) is a British multinational telecommunications company founded in 1846, headquartered in London, United Kingdom. BT conducts pioneering quantum networking research deploying quantum key distribution (QKD) networks and quantum-safe telecommunications infrastructure. The company established quantum-secured network connections and collaborates with quantum technology providers advancing practical quantum communications deployments. BT invests in post-quantum cryptography preparing telecommunications infrastructure for quantum computing threats. BT serves UK telecommunications markets, enterprise customers, government agencies, and critical infrastructure sectors requiring quantum-safe communications and quantum network infrastructure. The company contributes to UK National Quantum Technologies Programme advancing quantum communications and quantum networking for telecommunications industry. BT positions UK as leader in quantum-safe telecommunications protecting communications infrastructure against emerging quantum computing threats.

BTQ

Toronto, Canada Company

BTQ is a Canadian post-quantum blockchain company founded in 2021 that develops quantum-resistant blockchain technologies and distributed ledger systems designed to remain secure against quantum computer attacks, creating post-quantum cryptographic implementations for blockchain networks, cryptocurrency systems, and decentralized applications, providing quantum-safe blockchain solutions, post-quantum digital signatures, and quantum-resistant consensus mechanisms that enable blockchain and cryptocurrency systems to maintain security and integrity even when cryptographically relevant quantum computers become available to adversaries. In October 2025, BTQ Technologies announced the first successful demonstration of a quantum-resistant Bitcoin implementation using NIST-standardized post-quantum cryptography, with their Bitcoin Quantum Core Release 0.2 replacing vulnerable ECDSA signatures with ML-DSA to protect the $2.4 trillion Bitcoin market from quantum attacks projected to emerge by estimated 2030.

Cavero Quantum is a Leeds-based cybersecurity startup founded in 2024, developing a quantum-powered cloud communications platform with scalable web service API and security protection through secure, software-based cryptographic keys. The company has raised $2.2M from investors including Foresight Group, Northern Gritstone, and Deeptech Labs. Cavero's key technologies include Symmetrikey, a quantum-safe key exchange protocol combining Learning With Errors problem variants with correlation filtering inspired by QKD that runs twice as fast as ML-KEM and has been deployed on SIM cards; and Authentikey, a two-way endpoint verification technology providing passwordless authentication. The company participated in Mobile Future Forward 2025 in Seattle, addressing IoT, agentic AI, and regulatory challenges through quantum-safe security solutions.

Ceruleant Systems is a quantum technology company focused on cybersecurity and post-quantum cryptography (PQC) solutions. The company addresses the potential threat that quantum computing poses to conventional encryption methods by developing quantum-resistant security technologies. Ceruleant Systems is active in the quantum computing industry, participating as sponsors at major conferences including IQT Quantum + AI events, demonstrating their commitment to advancing the intersection of quantum computing and artificial intelligence for security applications.

Chelpis Quantum

Taipei, Taiwan Company

Chelpis Quantum Corp is a Taiwanese cybersecurity company founded on May 2, 2017, specializing in post-quantum cryptographic technology and quantum-safe solutions. Founded by members from the cryptography laboratory of National Taiwan University, Chelpis' cryptographic systems have captured multiple global NIST post-quantum cryptographic standards, demonstrating world-class expertise. Based in Taipei's Zhongshan District, the company provides zero trust architecture, network defense, quantum migration services, and blockchain security applications to prepare organizations for the post-quantum cryptography era. In August 2023, Chelpis established the Quantum Safe Migration Center (QSMC) in Taiwan to advance PQC research and practical applications. In April 2022, the company secured $2 million USD in funding for cryptographic solutions development. Chelpis collaborates internationally, including Dutch-Taiwanese partnerships to secure the future of digital security. As quantum computers threaten current encryption standards, Chelpis Quantum positions Taiwan as a leader in post-quantum cryptography solutions protecting sensitive data and communications infrastructure.

Ciena

Hanover, United States Company

Ciena Corporation is an American telecommunications networking equipment and software services company founded in 1992, headquartered in Hanover, Maryland. Ciena develops quantum-safe networking solutions including quantum key distribution (QKD) integration, post-quantum cryptography implementations, and quantum-secure optical networks. The company WaveLogic coherent optical technology supports quantum communication infrastructure and quantum networking deployments. Ciena collaborates with telecommunications operators and quantum technology providers advancing quantum-safe network infrastructure. The company serves global telecommunications markets, enterprise networks, cloud providers, and government agencies requiring quantum-safe communications and post-quantum security. Ciena invests in quantum networking research preparing telecommunications infrastructure for quantum internet and quantum-enhanced networking protecting network security against emerging quantum computing threats to current encryption standards.

Comcast

Philadelphia, United States Company

Comcast Corporation is an American telecommunications conglomerate founded in 1963, headquartered in Philadelphia, Pennsylvania. Comcast explores quantum-safe security for cable and telecommunications networks investing in post-quantum cryptography to protect communications infrastructure. In October 2025, Comcast launched a quantum lab and began trials using quantum computing to improve broadband network management, partnering with D-Wave Quantum Inc. and Classiq to test applications such as traffic optimization and predictive issue resolution, marking a significant step in applying quantum computing to telecommunications infrastructure. The company investigates quantum technologies for network security and prepares telecommunications infrastructure for quantum computing threats. Comcast serves US telecommunications and cable markets providing broadband internet cable television and telephony services. The company contributes to quantum-safe telecommunications development preparing network infrastructure for post-quantum security transitions protecting telecommunications networks and customer data against emerging quantum computing threats to current encryption standards.

Crypto Quantique

London, United Kingdom Company

Crypto Quantique is a UK quantum security company founded in 2016 that develops quantum-driven IoT security solutions using quantum tunneling effects in semiconductor devices to generate unique cryptographic keys and device identities, providing hardware-based quantum random number generation and quantum-enhanced security for Internet of Things devices, edge computing systems, and connected infrastructure, enabling secure device authentication, encrypted communications, and tamper-resistant security solutions for smart cities, automotive, industrial IoT, and consumer electronics applications requiring quantum-grade security at scale.

Crypto4A

Ottawa, Canada Company

Crypto4A is a Canadian cybersecurity firm developing quantum-safe hardware security modules (HSMs) and integrated cryptographic platforms for enterprises and government agencies. Their flagship product QxHSM provides quantum-safe and crypto-agile hardware security solutions addressing evolving fundamental security threats. The company focuses on secure manufacturing and Industry 4.0 applications with $3.75M repayable contribution from Canada's Federal Economic Development Agency for Southern Ontario as part of a $7.5M Quantum-Safe Secure Manufacturing Initiative.

CryptoNext Security

Paris, France Company

CryptoNext Security is a French post-quantum cryptography company founded in 2019 that develops comprehensive quantum-safe security solutions including post-quantum cryptographic implementations, migration tools, and crypto-agility platforms that enable organizations to transition from classical to quantum-resistant encryption algorithms, providing software libraries, hardware security modules, and consulting services to help governments, enterprises, and critical infrastructure operators prepare for and deploy NIST-standardized post-quantum cryptography to protect against future quantum computer threats while maintaining interoperability with existing systems.

Cryptosasun

Barcelona, Spain Company

Cryptosasun is a Spanish quantum security startup developing post-quantum cryptography solutions and quantum-safe security protocols. The company focuses on protecting digital infrastructure from quantum computing threats through advanced encryption technologies. Cryptosasun provides quantum-resistant security solutions for enterprises and government agencies in Spain and across Europe.

Deloitte Quantum Computing Services

New York, United States Company

Deloitte operates quantum computing services helping organizations develop comprehensive quantum strategy and implementation roadmaps. The Big Four consultancy provides quantum readiness assessments, use case identification, and quantum adoption planning. Deloitte serves enterprise clients across industries with quantum strategy consulting, helping executives understand quantum computing's potential impact on their businesses and develop roadmaps for quantum technology adoption and post-quantum cryptography transitions.

DigiCert

Lehi, United States Company

DigiCert is a leading certificate authority (CA) and digital security company providing public key infrastructure (PKI), TLS/SSL certificates, and validation services for digital trust. In 2019, DigiCert announced DigiCert Labs, an R&D division focused on post-quantum cryptography and machine learning, and launched the world's first Post-Quantum Security model with a quantum-safe certificate toolkit. DigiCert is implementing NIST PQC algorithms (FIPS 203, FIPS 204, FIPS 205) in their TrustCore SDK's NanoCrypto module to protect against quantum computing threats.

EigenQ is a U.S.-based quantum technology company advancing quantum cybersecurity, quantum internet, and quantum computing. The company offers NIST-certified PQC+ solutions that accelerate government, defense, and enterprise adoption of post-quantum cryptography. EigenQ focuses on quantum-safe security infrastructure and quantum networking technologies. Exhibited at CES 2025 demonstrating quantum cybersecurity solutions.

Encryption Consulting

Prosper, United States Company

Encryption Consulting LLC is a Texas-based cybersecurity company founded in 2018, specializing in applied cryptography and post-quantum cryptographic advisory services. Headquartered in Prosper, Texas (Dallas-Fort Worth metropolitan area), the company is changing how organizations approach data protection across their enterprises. Encryption Consulting offers comprehensive post-quantum cryptography (PQC) services to help enterprises identify potential quantum risks and become quantum cyber-ready. Services include cryptographic discovery and inventory scans to build comprehensive asset inventories, implementation of hybrid models combining classical and PQC algorithms ensuring backward compatibility during quantum transitions, full alignment with NIST PQC algorithm standards, and addressing Harvest Now, Decrypt Later (HNDL) threats with proactive cryptographic upgrades. The company's expertise spans PKI (Public Key Infrastructure), Hardware Security Modules, Code Signing, Enterprise Key Management, and other cryptographic solutions. Encryption Consulting partners with leading cybersecurity vendors including Thales and Entrust, positioning itself as a trusted advisor for organizations preparing for the post-quantum cryptography era.

Enquantum

Holon, Israel Company

Enquantum is a Holon, Israel-based quantum security company founded in 2020, specializing in computer and network security solutions protecting data from quantum computing threats. The company delivers energy-efficient post-quantum cryptography engines for scalable and sustainable futures using hash-based cryptography with hardware-acceleration achieving terabit scale at ultra-low latency. Enquantum employs 1-10 people and is invested in and approved by the Israel Innovation Authority. The company's technology leverages FPGA-accelerated architecture minimizing carbon footprint with scalable architecture meeting demands of evolving environments. Enquantum provides quantum-resistant encryption solutions for organizations requiring protection against quantum computer attacks on current cryptographic systems. The company serves enterprises, government agencies, and telecommunications providers requiring quantum-safe security infrastructure preparing for post-quantum cryptography transition mandated by regulatory agencies globally.

Entrust

Minneapolis, United States Company

Entrust is a digital security company specializing in identity, payments, and data protection with leading expertise in post-quantum cryptography. The company is a participating member of IETF and NIST PQ Competition and announced the Entrust Cryptographic Security Platform in April 2025, the industry's first unified end-to-end cryptographic security management solution supporting all three NIST PQC standards. Entrust PKI as a Service (PKIaaS) supports FIPS 203, FIPS 204, and FIPS 205 PQC algorithms for quantum-safe digital identity protection.

Envietta

San Jose, United States Company

Envietta is an American quantum security company founded in 2019, developing hardware-implemented post-quantum cryptography solutions as IP Core for semiconductor integration. The company is one of only three companies worldwide offering post-quantum cryptography as IP Core: PQ Shield (UK), Envietta (USA), and ResQuant (Poland). Envietta develops cryptographic processor designs implemented on FPGA and ASIC microchips for direct integration into electronic devices, providing quantum-resistant encryption resistant to quantum computer attacks. The company implements NIST-approved post-quantum cryptography algorithms including ML-KEM (Kyber), ML-DSA (Dilithium), and SLH-DSA (SPHINCS+) as hardware accelerators and IP cores for semiconductor manufacturers. Envietta serves semiconductor companies, IoT device manufacturers, aerospace contractors, automotive suppliers, and telecommunications equipment vendors requiring hardware-based post-quantum cryptography implementations for chip-level security. The company focuses on high-performance PQC hardware implementations enabling quantum-safe security in resource-constrained embedded systems and high-throughput communications equipment.

Ericsson Quantum

Stockholm, Sweden Company

Ericsson is advancing quantum technologies through research in quantum communications, quantum key distribution, and quantum-safe security for telecommunications networks. The company investigates quantum networking solutions for 6G networks, quantum cryptography for secure communications infrastructure, and quantum-enhanced mobile network optimization. Ericsson collaborates with quantum technology companies and research institutions to develop quantum communication protocols, quantum network architectures, and post-quantum cryptographic solutions for telecommunications equipment and network infrastructure. The company's quantum initiatives focus on preparing telecommunications networks for the quantum era, developing quantum-safe security measures, and exploring quantum technologies that could enhance network performance, security, and capabilities for next-generation wireless communications systems.

EvolutionQ

Toronto, Canada Company

evolutionQ is a Canadian quantum-safe cybersecurity company founded in 2015 that specializes in quantum risk assessment and post-quantum cryptography solutions, developing tools and services that help organizations evaluate their vulnerability to quantum computing threats and implement quantum-safe security measures, providing cryptographic migration services, quantum risk analysis, and post-quantum cryptography consulting that enables enterprises and government agencies to transition from classical encryption to quantum-resistant security systems before the advent of cryptographically relevant quantum computers threatens current encryption standards.

ExeQuantum

San Francisco, United States Company

ExeQuantum offers Post-Quantum Cryptography as a Service (PQCaaS) with flexible APIs, supporting both cloud and on-premises deployment. Provides TLS wrapping and practical migration pathways for quantum-safe encryption. 2024-2025: Positioned as leading PQC-as-a-Service provider following NIST PQC standards finalization (August 2024). Published industry guidance on top 10 PQC vendors shaping quantum-safe future. UK NCSC set 2028 deadline for cryptographic inventory and 2035 for PQC migration completion - creating significant market opportunity. Platform enables enterprises to assess cryptographic vulnerabilities, plan migration strategies, and implement NIST-standardized post-quantum algorithms (ML-KEM, ML-DSA, SLH-DSA) without deep cryptographic expertise. Integrates with existing security infrastructure and CI/CD pipelines. Target markets: governments, banks, healthcare providers.

Flipscloud

Bangalore, India Company

Flipscloud is an Indian quantum security company founded in 2020, developing quantum-safe cryptography solutions for cloud security and data protection. The company is recognized among emerging Quantum Cryptography Solutions providers developing innovative approaches to post-quantum security. Flipscloud specializes in quantum-resistant encryption for cloud computing environments, enterprise data protection, and secure communications. The company provides post-quantum cryptography implementations protecting cloud-based applications, data storage, and communications against quantum computing threats. Flipscloud serves enterprises, cloud service providers, financial institutions, and government agencies in India and Asia-Pacific region requiring quantum-safe cloud security solutions. The company focuses on practical implementation of post-quantum cryptography for cloud infrastructure, helping organizations prepare for quantum computing threats while maintaining compatibility with existing systems. Flipscloud addresses India's growing digital economy security needs as the country processes approximately 114 billion digital payments annually requiring quantum-safe cryptographic protection.

Fortytwo Labs is a Pune-based cryptographic identity platform company founded in 2016. Their π-Control Digital Trust Platform provides quantum-safe cryptographic solutions including AUTH42 hardware authenticators and I-AM MFA. Clients include Ministry of Defense, ICICI Bank, and Yes Bank.

Futurum Group

Austin, United States Investor

Futurum Group is a research and advisory firm providing consulting services in quantum computing and emerging technologies. Led by Dr. Bob Sutor, a consulting analyst with over 40 years of experience in quantum technologies, the firm assists clients in understanding complex technologies and their practical applications within organizations. Dr. Sutor brings deep expertise spanning quantum computing, AI, blockchain, mathematics, open source software, standards management, and product development. He is the author of "Dancing with Qubits, Second Edition" (2024), a comprehensive quantum computing guide, and "Dancing with Python" (2021). The firm provides analyst services, research, and strategic guidance helping organizations navigate quantum computing adoption and implementation. 2025 Developments: Consulting services continue to expand as organizations seek quantum readiness assessments and strategic planning. Focus on helping enterprises understand practical quantum computing applications and prepare for quantum advantage.

GoQuantum is a Santiago, Chile-based post-quantum security company founded in 2018, developing post-quantum secure data transmission solutions for telecommunications. The company originated from the QIN Technology research project in 2016 and received seed funding from Wayra (Telefónica) and Manutara VC in 2019. GoQuantum develops quantum-based hardware including QRNG-integrated eSIM technology for secure communications. The company serves banking, smart cities, industrial telecommunications, and IoT/4G/5G security sectors. Led by CEO Raul Zuleta (PhD candidate, Politecnico di Milano) and CSO Jose M. Brito (PhD quantum communications), GoQuantum represents Latin America's emerging quantum technology ecosystem. 2025 Developments: GoQuantum continues to expand its post-quantum security solutions for telecommunications infrastructure in 2025, with a focus on protecting critical communications against future quantum threats.

HSBC

London, United Kingdom Investor

HSBC Holdings PLC is a British multinational universal bank and financial services holding company founded March 3, 1865, working with Quantinuum since June 2023 and successfully trialing first application of quantum-secure technology for buying and selling tokenized physical gold in September 2024. On September 25, 2025, HSBC and IBM announced the world's first-known empirical evidence of the potential value of current quantum computers for solving real-world problems in algorithmic bond trading, leveraging a quantum-classical hybrid approach that delivered up to a 34 percent improvement in predicting how likely a trade would be filled at a quoted price, demonstrating quantum advantage for financial applications. HSBC quantum computing trial beat Wall Street rivals demonstrating leadership in quantum finance applications and quantum-safe security implementations. The bank applies quantum computing to risk management, portfolio optimization, fraud detection, asset pricing, algorithmic trading, and secure tokenized asset transactions using quantum key distribution. HSBC invests in post-quantum cryptography, quantum-safe communication networks, and quantum computing applications for banking operations. HSBC serves global banking and financial services market requiring quantum-enhanced computational capabilities and quantum-safe security for transactions, communications, and data protection. HSBC collaborates with leading quantum companies including IBM and Quantinuum advancing practical quantum applications for financial services industry alongside JPMorgan Chase and Goldman Sachs leading quantum finance adoption.

IDEMIA

Courbevoie, France Company

IDEMIA is a multinational technology company specializing in biometric identification, digital security, and identity-related security services. With a global team of 800+ R&D experts, IDEMIA is a world-leading authority in post-quantum cryptography and introduced the first quantum-resistant 5G SIM in 2022. In July 2025, the company launched IDEMIA Sphere Cryptographic Library with 68 classical and post-quantum algorithms. IDEMIA leads the Hyperform consortium developing quantum-safe components for banks, governments, and software companies.

Innovation Business Machine

Dubai, United Arab Emirates Company

Innovation Business Machine (IoBM) was founded by billionaire innovator Muhammad Umair Saeed and is recognized as a major force behind the Middle East's emergence as a hub for post-quantum technology. The company develops post-quantum cryptography solutions and quantum-safe security infrastructure for enterprises and government agencies in the Middle East. IoBM leads the region's transition to quantum-resistant security systems.

Invento Capital

Warsaw, Poland Investor

Invento Capital is a Polish venture capital firm founded in 2011, investing in technology companies including quantum security and advanced cybersecurity startups. The firm provided EUR 275K funding to ResQuant alongside Lighthouse Ventures, supporting Polish hardware-implemented post-quantum cryptography company. Invento Capital focuses on technology investments in Central and Eastern Europe, including deep tech, cybersecurity, and advanced semiconductor solutions. The firm brings investment capital and strategic support to quantum security companies, post-quantum cryptography developers, and hardware security innovators. Invento Capital identifies and supports early-stage companies developing quantum-safe technologies for enterprise and government markets. The firm serves as investor to quantum security startups, cybersecurity companies, and semiconductor technology developers in Poland and CEE region. Invento Capital contributes to Polish quantum technology ecosystem supporting commercialization of quantum security innovations and growth of quantum-safe cryptography market. The firm helps Polish quantum security companies access capital, strategic partnerships, and international markets.

ISARA

Waterloo, Canada Company

ISARA Corporation was a Canadian cybersecurity company founded in 2015 in Waterloo, Ontario, specializing in quantum-safe security solutions and post-quantum cryptography. ISARA developed cryptographic agility solutions enabling organizations to transition to quantum-resistant encryption algorithms protecting against quantum computing threats. The company was acquired by Bri stow Group (now Onboardsecurity) in 2021. ISARA provided quantum-safe security products including post-quantum cryptography libraries, crypto-agility toolkits, and quantum risk assessment services. The company served enterprise customers, government agencies, telecommunications operators, and critical infrastructure sectors requiring quantum-safe security. ISARA contributed to post-quantum cryptography standards development and quantum-safe security best practices advancing quantum-safe cryptography adoption and protecting digital infrastructure against future quantum computing threats to current encryption systems.

ITTI

Asunción, Paraguay Company

ITTI is a Paraguay-based digital solutions provider that signed an exclusive distribution agreement in 2025 to deliver quantum-ready technologies across Latin America. The company partners with SignQuantum to provide quantum-resistant digital signatures and security solutions to enterprises in Latin America. ITTI helps organizations in the region prepare for post-quantum cryptography transition.

JoS Quantum

Munich, Germany Company

JoS QUANTUM is a Frankfurt-based quantum computing company founded in 2018 by Markus Braun and Niklas Hegemann that develops cutting-edge quantum optimization algorithms for quantitative finance, insurance, and energy markets, providing cloud-accessible GRUNDZUSTAND calculation engine that integrates various quantum and classical hardware for risk management, portfolio optimization, trading strategies, and fraud detection, serving clients including Deutsche Börse Group and DZ Bank while participating in German government-funded quantum research projects.

JPMorgan Chase

New York, United States Investor

JPMorgan Chase & Co. is an American multinational financial services firm founded in 1799, operating specialist teams working on quantum technologies and leading $300 million funding round in Quantinuum demonstrating significant quantum investment commitment. JPMorgan Chase has been working with Quantinuum and predecessor companies since 2020, partnered with IBM, Amazon, and academic labs on projects ranging from quantum portfolio optimization to quantum-safe encryption. The bank applies quantum computing to risk management, portfolio optimization, derivatives pricing, fraud detection, and asset price prediction achieving potential manifold enhancement of banking capabilities. JPMorgan Chase invests in quantum computing infrastructure, quantum algorithm development, and quantum-safe cryptography preparing for post-quantum security threats. JPMorgan Chase serves global financial services market requiring quantum-enhanced computational capabilities for trading, risk analysis, and secure communications. JPMorgan Chase leads financial services industry in quantum computing adoption alongside HSBC and Goldman Sachs advancing quantum finance applications.

Juniper Networks

Sunnyvale, United States Company

Juniper Networks Inc. is an American multinational corporation founded in 1996, headquartered in Sunnyvale, California, developing networking products including routers, switches, and network security. Juniper invests in quantum-safe networking solutions including post-quantum cryptography implementations, quantum-resistant VPNs, and quantum-safe network security. The company prepares networking infrastructure for post-quantum cryptography transitions protecting network communications against future quantum computing threats. Juniper collaborates with cybersecurity organizations and standards bodies advancing quantum-safe networking best practices. The company serves telecommunications operators, enterprises, cloud providers, and government agencies requiring quantum-safe networking infrastructure and post-quantum security. Juniper contributes to quantum-safe networking development advancing post-quantum cryptography adoption in network infrastructure protecting global communications infrastructure against emerging quantum computing threats to current encryption standards.

KDDI

Tokyo, Japan Company

KDDI Corporation is a Japanese telecommunications operator founded in 1984, headquartered in Tokyo, Japan. KDDI conducts quantum networking research deploying quantum key distribution (QKD) networks and quantum-safe telecommunications infrastructure in Japan. The company collaborates with quantum technology providers advancing practical quantum communications deployments including quantum encryption for secure communications. KDDI explores quantum networking technologies for ultra-secure telecommunications and quantum internet infrastructure development. The company serves Japanese telecommunications markets, enterprise customers, and government agencies requiring quantum-safe communications and quantum network infrastructure. KDDI contributes to Japan National Quantum Technology Innovation Strategy advancing quantum communications and quantum networking for telecommunications industry positioning Japan as quantum technology leader in Asia-Pacific region protecting telecommunications infrastructure against quantum computing threats.

KETS Quantum Security

London, United Kingdom Company

KETS Quantum Security is a UK quantum communications company founded in 2016 as University of Bristol spinout, pioneering chip-scale QKD devices. April 2025: Completed £1.7M Innovate UK contract to develop scalable, server-sized QKD prototype for critical infrastructure. BT consulted on design and now testing prototype. Called 'leader in quantum network components' by Innovate UK. November 2025: CEO Lisa Matthews warned UK needs Quantum Sovereign Wealth Fund or risks losing quantum companies, talent, and IP to foreign markets. Noted several UK firms (PsiQuantum, Universal Quantum, Oxford Ionics) shifted operations abroad due to limited domestic scale-up capital. Products: QKD (Quantum Key Distribution) and QRNG (Quantum Random Number Generators). Targets defense, finance, critical infrastructure, telecoms. Series A company with $4.39M funding from Speedinvest and Quantonation.

Keyfactor

Cleveland, United States Company

Keyfactor is a digital trust and cryptographic solutions company headquartered in Cleveland, Ohio, with longstanding presence in the cybersecurity market. In April 2025, Keyfactor announced expanded post-quantum cryptography (PQC) capabilities across its platforms to support enterprises preparing for NIST's 2030-2035 deprecation of classical encryption algorithms. The company developed quantum-resilient public key infrastructure (PKI), digital signing, and certificate lifecycle management solutions. Keyfactor offers the PQC Lab, a free SaaS-based version of its EJBCA Enterprise PKI platform pre-configured to issue quantum-resilient certificates in minutes. New features in Keyfactor Command, EJBCA, and Bouncy Castle enable inventorying PQC certificates, issuing hybrid RSA/ML-DSA certificates, and integrating NIST-standard algorithms with hardware security module support. Keyfactor serves enterprises, government agencies, financial institutions, and critical infrastructure sectors requiring quantum-safe cryptography migration and certificate management for the post-quantum era.

KGAL Investment Management

Grünwald, Germany Investor

KGAL is a German global asset manager specializing in infrastructure investments, founded in 1968 and headquartered in Grünwald near Munich, Germany. In March 2025, KGAL participated in Quantum Industries' 9.5 million euro seed financing round alongside Sparring Capital Partners and Findus Venture, supporting Vienna-based quantum secure communications company. KGAL focuses on infrastructure investments including critical infrastructure, telecommunications, energy, and transportation sectors increasingly requiring quantum-safe security technologies. The firm brings infrastructure investment expertise and strategic capital to quantum security companies developing solutions for critical infrastructure protection. KGAL recognizes quantum-safe communications as essential infrastructure technology protecting against quantum computing threats to current encryption standards. The firm serves infrastructure operators, utilities, telecommunications providers, and critical infrastructure sectors requiring quantum security investments. KGAL invests in quantum key distribution, quantum-safe communications, and quantum security technologies protecting critical infrastructure communications, energy grid control systems, and transportation networks. The firm contributes to European infrastructure security supporting deployment of quantum-safe technologies for critical national infrastructure.

Korea Quantum Computing Hub

Daejeon, South Korea ecosystem

Korea Quantum Computing Hub is a Daejeon-based quantum research hub backed by over 30 national research institutes including KAIST, KRISS, and ETRI, central to Korea's quantum valley initiative. The consortium coordinates quantum research across Korea's leading institutions. KQC Hub serves as the focal point for Korea's national quantum computing program, coordinating research, sharing resources, and developing the quantum workforce to establish Korea as a competitive quantum technology nation.

KPMG Quantum Services

Amstelveen, Netherlands Company

KPMG offers quantum computing consulting for financial services strategy, risk assessment, and quantum readiness planning. The Big Four firm helps organizations assess quantum computing opportunities and quantum cybersecurity risks. KPMG serves clients in banking, insurance, and asset management with quantum computing strategy development, post-quantum cryptography readiness assessments, and guidance for adopting quantum technologies in financial services applications.

KPN

Rotterdam, Netherlands Company

Koninklijke KPN N.V. (Royal KPN) is a Dutch telecommunications and IT provider founded in 1989 (privatized from PTT), headquartered in Rotterdam, Netherlands. KPN explores quantum communications including quantum key distribution (QKD) trials and quantum-safe telecommunications infrastructure. The company collaborates with Dutch quantum technology companies and QuTech research center advancing practical quantum communications deployments. KPN investigates post-quantum cryptography and quantum networking capabilities for telecommunications infrastructure. The company serves Netherlands telecommunications markets enterprises and government agencies requiring quantum-safe communications. KPN contributes to Netherlands quantum technology ecosystem advancing quantum communications research and quantum networking for telecommunications industry supporting Dutch quantum technology leadership protecting telecommunications infrastructure against quantum computing threats.

NCS Group

Singapore, Singapore Company

NCS Pte. Ltd. (also known as NCS Group, previously National Computer Systems) is a multinational information technology company headquartered in Singapore, founded in 1981 when the Government of Singapore embarked upon initiatives to harness information technology for public and private sectors. The company was privatised in 1996 and became part of Singtel group in 1997. In 2024, IBM and NCS signed an MOU to support Singapore organizations with quantum-safe encryption capabilities to securely protect present data from future quantum-enabled attacks, working together to provide technology solutions, professional services, and strategic expertise for cybersecurity protection. NCS drives client success through digital transformation in AI, cloud computing, blockchain, and quantum-safe technologies. Technology partners include IBM, Microsoft, Oracle, and SAP. NCS serves Singapore government agencies, enterprises, financial institutions, healthcare organizations, and telecommunications operators requiring quantum-safe cybersecurity solutions and post-quantum cryptography implementations preparing for quantum computing threats.

NIST

Gaithersburg, United States research

National Institute of Standards and Technology (NIST) is a USA federal agency founded March 3, 1901, located in Gaithersburg, Maryland and Boulder, Colorado, operating under United States Department of Commerce. NIST conducts quantum computing research developing quantum standards, quantum metrology, post-quantum cryptography standards, and quantum networking protocols. The Joint Quantum Institute (JQI) is collaboration between NIST and University of Maryland conducting fundamental quantum research spanning trapped ions, neutral atoms, superconducting qubits, and quantum simulation. NIST leads National Quantum Initiative coordination through National Quantum Coordination Office housed within White House Office of Science and Technology Policy. In 2024 NIST published first post-quantum cryptography standards (FIPS 203, 204, 205) protecting against quantum computer threats. NIST serves government agencies, industry, and research institutions requiring quantum standards, quantum measurement techniques, and quantum-safe cryptography standards. NIST advances quantum technology through fundamental research, standards development, and technology transfer supporting USA quantum leadership.

Patero

Boston, United States Company

Patero is a United States-based quantum security company founded in 2020 that developed a network security solution reducing the exposed attack surface while encrypting data-in-motion with hybrid post-quantum encryption (hybrid-PQC). Patero's hybrid-PQC solution enhances classical cryptosystems with quantum-resistant encryption algorithms selected by the National Institute of Standards and Technology (NIST). The company's approach combines current encryption standards with post-quantum cryptography for defense-in-depth protection against both classical and quantum computing threats. Patero is recognized as a key player in the global Post-Quantum Cryptography Market alongside NXP Semiconductor, Thales, AWS, IDEMIA, and Palo Alto Networks. The company provides enterprise network security solutions implementing NIST-approved PQC algorithms for securing data transmission across corporate networks, cloud environments, and hybrid infrastructure. Patero serves enterprises, government agencies, financial institutions, healthcare organizations, and telecommunications operators requiring quantum-safe data-in-motion encryption protecting against harvest now, decrypt later attacks.

PQSecure Technologies is an American post-quantum cryptography company founded in 2017, headquartered in Boca Raton, Florida. The company specializes in quantum-safe cryptographic hardware IP cores and security solutions for embedded systems, IoT devices, and semiconductor manufacturers. PQSecure develops efficient hardware implementations of NIST-standardized post-quantum algorithms including ML-KEM, ML-DSA, and SLH-DSA optimized for resource-constrained devices. The company provides PQC IP cores, hardware security modules, and consulting services to semiconductor companies, automotive manufacturers, and defense contractors requiring quantum-resistant security for next-generation products. PQSecure's solutions protect against harvest-now-decrypt-later attacks threatening long-lifecycle embedded systems. 2025 Developments: Development of quantum-safe cryptography solutions remains a priority in 2025. Focus on post-quantum cryptography standards and implementation. Active participation in industry standards bodies and security consortiums.

PQShield

Oxford, United Kingdom Investor

PQShield is an Oxford University spin-out specializing in post-quantum cryptography from theory to deployment, protecting systems against quantum computer threats with major funding rounds in 2023-2024. The company develops post-quantum cryptographic algorithms, hardware implementations, and security solutions designed to protect against attacks from both classical and quantum computers. PQShield serves semiconductor manufacturers, automotive companies, government agencies, and enterprises requiring quantum-safe security solutions, providing both cryptographic IP and security consulting services.

Protiviti Inc. Quantum Computing Services

Menlo Park, United States Company

Protiviti is a global consulting firm with dedicated quantum computing services for post-quantum risk assessments, readiness workshops, and quantum roadmaps, hosting The Post-Quantum World podcast. The firm helps organizations assess quantum computing opportunities and threats, develop quantum strategies, and prepare for post-quantum cryptography transitions. Protiviti serves clients across financial services, healthcare, technology, and government sectors with quantum risk management, quantum computing readiness assessments, and post-quantum cryptography implementation planning.

Qlok is a Delaware C-Corp quantum cybersecurity company developing Quantum Enhanced Transport Security (QETS) technology for post-quantum secure communications. The company focuses on protecting data transmissions against both current and future quantum computing threats through advanced cryptographic protocols. Qlok's QETS technology aims to provide quantum-resistant security solutions for enterprises and organizations seeking to future-proof their communications infrastructure against quantum attacks on conventional encryption.

Quantum Xchange

Bethesda, United States Company

Quantum Xchange is a US cybersecurity company specializing in quantum key distribution and post-quantum cryptography to protect data against quantum and classical threats. The company operates quantum-safe key distribution networks and provides integrated security solutions combining QKD with post-quantum cryptographic algorithms. Quantum Xchange serves financial services, healthcare, and government sectors with quantum-safe security infrastructure, helping organizations prepare for the quantum computing threat to current encryption systems.

Quranium

Zurich, Switzerland Company

Quranium is the first L1 blockchain designed from ground up for quantum resistance, using SLH-DSA (NIST-approved post-quantum cryptography) transitioning from SPHINCS+. Headquarters in Switzerland with offices in DMCC UAE and Singapore. June 2025: Investment from Animoca Brands (global Web3 leader with 540+ portfolio companies). February 2025: Mainnet launch - first quantum-resistant blockchain mainnet. May 2025: Launched 'Convergence Layer' testnet for quantum security + AI + blockchain integration. November 2024: Core Layer (L1) Testnet with QSafe Wallet. Awards: DMCC Best Web3 Startup 2024, Cointelegraph Best Startup Pitch 2025. 50+ team members globally. Technology protects blockchain networks against future quantum computing threats using lattice-based and hash-based cryptographic schemes resistant to both classical and quantum attacks.

QuRISK is a French quantum risk advisory firm founded in 2021 in Neuilly-sur-Seine, specializing in helping organizations assess and mitigate quantum computing risks to their cryptographic infrastructure. The company provides quantum risk assessments, cryptographic inventory analysis, and post-quantum migration roadmaps for enterprises, financial institutions, and government agencies. QuRISK's consulting services help organizations understand their exposure to harvest-now-decrypt-later attacks and develop strategies for transitioning to quantum-resistant cryptographic systems. The company works with European enterprises to prepare for the post-quantum era, combining expertise in quantum computing, cybersecurity, and enterprise risk management.

Rambus

Sunnyvale, United States Company

Rambus is a semiconductor and intellectual property company headquartered in Sunnyvale, California, founded in 1990 by Mark Horowitz, Mike Farmwald, and Geoffrey Tate. Rambus offers Quantum Safe IP solutions that secure data and hardware against quantum computer attacks using NIST and CNSA selected algorithms. The CryptoManager RT-6xx Root of Trust cores support FIPS 203 ML-KEM, FIPS 204 ML-DSA, and FIPS 205 SLH-DSA standards. The Rambus Quantum Safe Crypto Library offers cryptographic algorithms for the Post Quantum Cryptography (PQC) era with focus on performance and reliability. Rambus Root of Trust IP implements quantum-resistant CRYSTALS-Kyber for key-encapsulation and CRYSTALS-Dilithium for digital signatures. The company delivers quantum-safe IP solutions with next-generation Root of Trust for data center security, protecting infrastructure against quantum computing threats. Rambus serves semiconductor manufacturers, data center operators, cloud providers, and IoT device manufacturers requiring quantum-resistant cryptographic hardware implementations.

Riscure

Delft, Netherlands Company

Riscure is an independent security laboratory founded in 2001 with headquarters in Delft, Netherlands, and branch offices in the United States and China. The company specializes in evaluating and improving security of products designed to operate securely in physically and logically hostile environments. Riscure is a market leader in Side Channel and Fault Injection test tools, serving 200+ clients worldwide with security test tools, services, and training. Now part of Keysight, Riscure has over two decades of experience in device security and actively works on post-quantum cryptography security. The Keysight Inspector platform can test implementations of the Dilithium algorithm, one of the NIST-selected PQC algorithms, allowing designers to verify product security against quantum threats. Riscure follows the scientific debate on PQC security and works with early adopters to scrutinize their solutions. The company serves semiconductor manufacturers, smart card vendors, automotive suppliers, and government agencies requiring PQC security validation and testing.

SandboxAQ

Palo Alto, United States Company

SandboxAQ is an Alphabet spin-out building Large Quantitative Models (LQMs) for biopharma, chemistry, materials science, cybersecurity, and financial services. April 2025: Closed $450M+ Series E with Ray Dalio, Horizon Kinetics, BNP Paribas, Google, NVIDIA joining existing investors. July 2025: Additional $95M secondary offering (oversubscribed) bringing total to ~$1B at $5.6B valuation. Investors: Rizvi Traverse, Forge Global, Ava Family Office. November 2025: Joined DoD Defense Innovation Unit TQS program for quantum-enabled Magnetic Navigation (MagNav). AQNav completed 450+ flight hours including USAF missions. October 2025: Launched OpenCryptography.com for cryptographic risk detection in open-source software. Market positioning: leading PQC and quantum sensing company with major defense contracts, Google/NVIDIA backing, and active government deployments.

Sixscape Communications

Singapore, Singapore Company

Sixscape Communications is a Singapore-based cybersecurity company founded in 2016, specializing in post-quantum cryptography solutions for network security and secure communications. The company develops quantum-safe encryption technology protecting against both classical and quantum computing threats. Sixscape is recognized among emerging Quantum Cryptography Solutions providers and key players in the global Post-Quantum Cryptography Market. The company provides PQC implementations for telecommunications networks, enterprise communications, and IoT device security. Sixscape collaborates with Singapore government agencies and telecommunications operators advancing quantum-safe network infrastructure as part of Singapore's National Quantum-Safe Network initiatives. The company serves telecommunications operators, enterprises, government agencies, and IoT platform providers requiring post-quantum cryptography for securing network communications, protecting sensitive data transmission, and implementing quantum-resistant encryption algorithms. Sixscape focuses on practical PQC deployment for existing network infrastructure preparing organizations for the transition to quantum-safe security standards.

Sparring Capital Partners

Munich, Germany Investor

Sparring Capital Partners is a European venture capital firm founded in 2019, focusing on deep tech and enterprise software investments including quantum security companies. In March 2025, Sparring Capital Partners led Quantum Industries' 9.5 million euro seed financing round alongside Findus Venture and KGAL, supporting Vienna-based quantum secure communications company. The firm invests in early-stage and growth-stage technology companies developing quantum cryptography, cybersecurity, enterprise software, and deep tech solutions. Sparring Capital Partners brings capital, strategic expertise, and industry connections to quantum security startups commercializing quantum communications technologies. The firm serves European quantum technology ecosystem connecting startups with corporate partners, research institutions, and follow-on investors. Sparring Capital invests in quantum key distribution companies, post-quantum cryptography developers, quantum networking startups, and quantum-safe communications providers building practical commercial quantum security solutions. The firm contributes to European quantum technology growth supporting companies developing quantum-safe infrastructure for critical communications, government agencies, financial institutions, and telecommunications operators.

Synergy Quantum SA is a Swiss deep-tech startup founded in 2018 in Geneva, delivering quantum-secure communication solutions for the post-quantum era. The company leverages Quantum Key Distribution (QKD) and post-quantum cryptography to protect critical data for governments and enterprises. Synergy Quantum's technology was developed with CERN scientists and through investments in quantum companies and collaboration with national science and defense ministries. In 2021, the company produced a Post-Quantum Encrypted future-proof closed communication network and filed patents. Synergy Quantum completed a pre-series A funding round led by Swiss and international investors, raising $10M total. The company is part of Microsoft for Start-ups Program and is participating in TECH4TRUST Season 6 (2024-2025). Synergy Quantum signed an agreement with the Indian Government for a joint venture in quantum technologies, developing high-impact solutions across finance, healthcare, and cybersecurity sectors.

TAQBit is a Bengaluru-based deep-tech company founded in 2018 providing quantum-based security solutions including Quantum Key Distribution (QKD) and Quantum Random Number Generators (QRNG) for defense, telecom, and enterprise infrastructure. Pioneers of QKD technology in India.