Quantum Companies Directory

The world’s most comprehensive directory of quantum computing companies and quantum technology organizations. Explore 944+ companies including quantum hardware manufacturers, quantum software developers, quantum cloud providers, quantum security firms, and quantum research institutions.

Directory Features

• 944+ Companies: Complete profiles of quantum companies worldwide
• 48+ Countries: Global coverage across all continents
• Advanced Filtering: Search by category, country, qubit type, and entity type
• Detailed Profiles: Company information, technology focus, funding, and more
• Real-time Search: Instant search and filter capabilities

Company Categories

• Quantum Hardware: Processors, qubits, control systems, and cryogenic equipment
• Quantum Software: Algorithms, SDKs, compilers, and development frameworks
• Quantum Cloud: Cloud-based quantum computing platforms and services
• Quantum Security: Quantum cryptography, QKD, and post-quantum security
• Quantum Sensing: Quantum sensors, imaging, and measurement devices
• Quantum Communications: Quantum networking and communication systems

Qubit Technologies

Discover companies working with different quantum computing platforms:

• Superconducting qubits (IBM, Google, Rigetti)
• Ion trap qubits (IonQ, Quantinuum, Alpine Quantum Technologies)
• Photonic qubits (PsiQuantum, Xanadu, ORCA Computing)
• Neutral atom qubits (Atom Computing, QuEra, Pasqal)
• Spin qubits (Intel, Diraq, Silicon Quantum Computing)
• Diamond NV centers (Quantum Brilliance, Element Six)