Italy

Active Technologies S.r.l. - Quantum Computing Company Profile | Quantum Navigator

Active Technologies S.r.l.

Active Technologies is an Italian company manufacturing high-performance arbitrary waveform generators for quantum computing applications, including partnerships with Berkeley Nucleonics for North American distribution. The company designs and produces AWG systems used for quantum processor control, delivering the signal fidelity and timing precision required for quantum gate operations. Active Technologies brings European manufacturing expertise to the quantum control electronics supply chain, supporting the growing demand for quantum instrumentation.

Ephos - Quantum Computing Company Profile | Quantum Navigator

Ephos

In September 2024, Ephos, a leading producer of glass-based photonic chips, raised $8.5 million in seed funding and opened the world’s first facility dedicated to designing and producing glass-based photonic chips in Milan. Ephos’ proprietary technology designs and builds glass-based photonic chips offering best-in-class performance for signal loss, a critical advantage in building quantum computers. The company’s novel 3D design and manufacturing capabilities unlock unique scaling opportunities and computational modalities that enable better system performance. The funding round was led by Starlight Ventures, with participation from notable investors including Joe Zadeh (former Vice President at Airbnb), Diego Piacentini (former Senior Vice President at Amazon), and Simone Severini (General Manager of Quantum Technologies at Amazon Web Services). Glass-based photonic chips have far-reaching implications beyond quantum computing, with applications in data centers where they can reduce energy footprints.

PhotonPath - Quantum Computing Company Profile | Quantum Navigator

PhotonPath

PhotonPath is a pioneer in integrated photonics developing proprietary silicon photonics chipsets and plug-and-play modules for quantum applications. Founded by Douglas Aguiar (CEO) and Emanuele Guglielmi (CTO) during their PhD and Post-Doc research at Politecnico di Milano, the company spun off from the university and was nurtured within PoliHub deep-tech hub. PhotonPath raised €5.1 million Series A in 2025 to scale manufacturing. Their patented technology enables ultra-compact, energy-efficient solutions for quantum communications, sensing, and computing applications. The company operates R&D labs and manufacturing facilities in Milan and Trento, with applications extending to hyperscale data centers, telecom networks, and aerospace systems.

Planckian - Quantum Computing Company Profile | Quantum Navigator

Planckian

Planckian is a Pisa-based quantum technology startup that emerged as a joint spinoff from the University of Pisa and Scuola Normale Superiore to pioneer groundbreaking solid-state energy technology using quantum mechanics. The company secured €2.7 million in pre-seed funding in July 2023 led by CDP Venture, Exor Ventures, and private investors to transcend traditional electrochemical approaches in energy technology. Planckian’s research focuses on leveraging quantum effects to enable qubits to achieve collective higher energy states, with potential applications in revolutionizing sustainable energy solutions including quantum batteries capable of indefinite energy storage. The company also develops superconducting quantum computers with innovative global control schemes, combining quantum battery research with quantum computing hardware development. Founded by leading quantum researchers including Marco Polini (Chief Scientific Officer) and Vittorio Giovannetti (Executive Scientific Advisor), Planckian represents Italy’s push into quantum energy applications and next-generation quantum processor architectures.

QFab - Quantum Computing Company Profile | Quantum Navigator

QFab

QFab develops quantum fabrication and materials simulation software for semiconductor and materials industries. The company provides quantum-enhanced simulation tools for predicting material properties, optimizing fabrication processes, and designing new materials. QFab’s software combines quantum chemistry calculations with machine learning to accelerate materials discovery and process optimization. Target industries include semiconductors, photonics, and advanced materials manufacturing. Based in Italy, QFab collaborates with European semiconductor manufacturers and materials research institutions. The company’s platform addresses computational challenges in materials science that are difficult for classical computers. QFab focuses on practical applications delivering value to materials scientists and process engineers in manufacturing environments.

QSENSATO - Quantum Computing Company Profile | Quantum Navigator

QSENSATO

QSENSATO is a University of Bari spin-off founded in 2024 by Gianvito Lucivero, Annalisa Volpe, and Domenico Tulli, developing chip-based quantum sensors for ultra-precise measurements. The company raised €500,000 in pre-seed funding from LIFTT and Quantum Italia in May 2025. QSENSATO’s atomic-photonic technology enables high-sensitivity detection of electric and magnetic fields, with applications in medical imaging, geophysics, infrastructure monitoring, and GPS-free navigation. The core technology is based on atomic-photonic chips exploiting quantum interference effects in rubidium vapor to achieve high sensitivity measuring electric and magnetic fields. Dr. Lucivero obtained his doctorate in Photonics at ICFO Barcelona in 2011, completed postdoctoral research at Princeton University, and is now a professor and researcher at University of Bari specializing in quantum sensing. QSENSATO secured second place in Start Cup Puglia 2024 and received honors at Talentis-GIStartup Award in Capri. The funding supports prototype development, European and U.S. market entry, and pilot deployments.

QTI - Quantum Computing Company Profile | Quantum Navigator

QTI

QTI (Quantum Telecommunications Italy) develops, engineers and produces Quantum Key Distribution systems for ultra-secure communications. The company specializes in quantum cryptography hardware and secure quantum communication networks for government, defense, and critical infrastructure applications. QTI provides end-to-end quantum secure communication solutions leveraging Italian expertise in photonics and telecommunications.

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Quantum Italia - Quantum Computing Company Profile | Quantum Navigator

Quantum Italia

Quantum Italia is a quantum startup studio based in Rome, part of an international network with locations in Sherbrooke, Copenhagen, Paris, Osaka, and Sydney. The company supports quantum startups with funding rounds starting at €300,000, integrating them into a 24-month growth program. Quantum Italia helps accelerate quantum technology commercialization through mentorship, funding, and access to quantum computing resources.

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Reply Quantum Practice - Quantum Computing Company Profile | Quantum Navigator

Reply Quantum Practice

Reply Quantum Practice provides consulting and training services for businesses getting started with quantum computing with multi-industry expertise. The Turin company offers quantum consulting services. Reply helps enterprises understand quantum computing opportunities, develop quantum strategies, and build quantum capabilities through consulting, training programs, and proof-of-concept implementations across industries.

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  • Founded: 2018
  • Country: Italy
  • Website: https://reply.com
  • Categories: consulting, training

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Rotonium - Quantum Computing Company Profile | Quantum Navigator

Rotonium

Rotonium is an Italian deep-tech startup founded in 2022 that secured €1 million in seed funding led by Galaxia and CDP Venture Capital to advance single-photon qudit technology for room-temperature quantum computing. The company develops silicon photonics components that enable quantum computers to operate at room temperature, allowing for compact, versatile systems usable on Earth, in the air, and in space. Rotonium’s technology is designed to operate in energy-constrained environments like space, positioning the company as a potential leader in edge quantum computing applications. The company focuses on quantum computing for space and edge applications where traditional cryogenic quantum computers are impractical, with plans to collaborate with universities and research centers to advance next-generation quantum processing capabilities. Rotonium’s room-temperature approach using single-photon qudits represents a distinct architectural path from traditional superconducting and trapped-ion approaches, targeting specialized applications in aerospace and edge computing markets.

SAES Rial Vacuum - Quantum Computing Company Profile | Quantum Navigator

SAES Rial Vacuum

SAES Rial Vacuum specializes in designing, modeling, manufacturing, and testing advanced integrated vacuum systems for accelerators, quantum computing, and industrial applications. Originally founded as RIAL VACUUM RESEARCH in Parma in 1973, the company was reconstituted as SAES Rial Vacuum in 2015 and acquired by SAES Getters in October 2021, becoming fully integrated into the SAES Group in 2022. The company produces custom ultra-high vacuum chambers and components for quantum computing applications, leveraging decades of expertise in the ultra-high vacuum and cryogenic field. SAES Rial Vacuum operates a 1200 m² facility in Parma producing quantum chambers and UHV systems for leading scientific institutions.

Telsy - Quantum Computing Company Profile | Quantum Navigator

Telsy

Telsy is an Italian cybersecurity company that expanded into quantum key distribution and quantum-safe security solutions for government and defense applications. With decades of experience in cryptography and secure communications, Telsy provides QKD systems and post-quantum cryptography solutions to protect critical national security communications. The company serves Italian government, defense, and critical infrastructure sectors with quantum-enhanced security technologies integrated into national secure communications networks.

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ThinkQuantum - Quantum Computing Company Profile | Quantum Navigator

ThinkQuantum

ThinkQuantum offers complete solutions for cybersecurity and communication systems based on quantum technologies, covering quantum random number generators, quantum key distribution, and satellite quantum communications. The Italian company develops both terrestrial and space-based quantum communication systems for secure data transmission. ThinkQuantum works on advancing European quantum communication infrastructure.

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ThinkQuantum S.r.l. - Quantum Computing Company Profile | Quantum Navigator

ThinkQuantum S.r.l.

ThinkQuantum is an Italian quantum technology company developing quantum random number generators and quantum security solutions for commercial and government applications. The company provides QRNG devices and quantum-enhanced cybersecurity services to protect against both current and future quantum computer threats. ThinkQuantum contributes to Italy’s growing quantum technology ecosystem, addressing cybersecurity needs across European markets with quantum-safe security solutions.

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