Companies
Quantum organization directory
Compare published quantum companies, labs, investors, and ecosystem organizations by category, stage, headquarters, focus area, and verified source trail.
1QBit
Software
1QBit develops software for quantum-inspired optimization, simulation, and advanced computing applications. Founded: 2012. Estimated employees: 51-200. Known funding: Unknown. Notable products: 1QBit platform.
Vancouver, British Columbia, Canada
Aegiq
Hardware
Aegiq develops photonic quantum computing systems, quantum light sources, and related software for scalable quantum applications. Its Artemis photonic quantum computer is deployed at the UK National Quantum Computing Centre, and the company has reported integrating NVIDIA Ising AI models into Artemis calibration workflows.
Sheffield, England, UK
Aeponyx
Hardware
Aeponyx develops photonic integrated circuit technologies including silicon nitride and hybrid photonic integration. Pasqal acquired Aeponyx in 2025 and reported in July 2026 that Aeponyx would anchor a Canadian PIC packaging center of competency for quantum and sensing applications at C2MI.
Montreal, Quebec, Canada
Agnostiq
Software
Agnostiq develops Covalent, an open-source workflow orchestration platform for quantum and high-performance computing workloads. Founded: 2018. Estimated employees: 11-50. Known funding: Unknown. Notable products: Covalent.
Toronto, Ontario, Canada
Algorithmiq
Software
Algorithmiq develops quantum algorithms for drug discovery, chemistry, and life-science applications. Founded: 2020. Estimated employees: 11-50. Known funding: €30M+ reported. Notable products: Aurora, quantum chemistry algorithms.
Helsinki, Finland
Alice & Bob
Hardware
Alice & Bob develops fault-tolerant quantum computing hardware based on cat qubits. Founded: 2020. Estimated employees: 51-200. Known funding: €130M+ reported. Notable products: Cat qubit processor roadmap.
Paris, France
Aliro Quantum
Quantum Networking
Aliro Quantum develops software and orchestration tools for quantum networks and secure communications. Founded: 2019. Estimated employees: 11-50. Known funding: Unknown. Notable products: AliroNet.
Boston, Massachusetts, USA
AOSense
Quantum Sensors
AOSense develops atom-optic quantum sensors for navigation, gravity, timekeeping, and inertial measurement. Founded: 2004. Estimated employees: 11-50. Known funding: Government funded. Notable products: Atom interferometer sensors.
Fremont, California, USA
Argonne National Laboratory
Research Lab
Argonne conducts quantum information science, quantum networking, materials, and computing research. Founded: 1946. Estimated employees: 1000+. Known funding: Government funded. Notable products: Q-NEXT, quantum networking testbeds.
Lemont, Illinois, USA
Arqit Quantum
Quantum Security
Arqit provides symmetric key agreement and quantum-safe encryption technology for enterprise and government markets. Founded: 2017. Estimated employees: 51-200. Known funding: Public company. Notable products: QuantumCloud, SKA Platform.
London, England, UK
Atlantic Quantum
Hardware
Atlantic Quantum develops superconducting quantum processors with noise-protected circuit designs. Founded: 2022. Estimated employees: 11-50. Known funding: Unknown. Notable products: Superconducting quantum processor technology.
Cambridge, Massachusetts, USA
Atom Computing
Hardware
Atom Computing develops gate-based neutral-atom quantum computers using optically trapped atoms. Founded: 2018. Estimated employees: 51-200. Known funding: $60M+ reported. Notable products: Phoenix system, neutral-atom processors.
Berkeley, California, USA
Australia National Quantum Strategy
Government Program
Australia's National Quantum Strategy outlines national policy and commercialization priorities for quantum technologies. Founded: 2023. Estimated employees: Unknown. Known funding: Government funded. Notable products: National Quantum Strategy.
Canberra, Australia
BlueQubit
Software
BlueQubit provides quantum cloud tooling, simulators, and quantum software development workflows. Founded: 2022. Estimated employees: 11-50. Known funding: Unknown. Notable products: BlueQubit platform.
San Francisco, California, USA
BosonQ Psi
Software
BosonQ Psi develops quantum-powered engineering simulation software for CAE and multiphysics applications. Founded: 2020. Estimated employees: 11-50. Known funding: Unknown. Notable products: BQPhy, quantum simulation workflows.
Buffalo, New York, USA and India
Brookhaven National Laboratory
Research Lab
Brookhaven conducts quantum information science research in materials, networking, and computation. Founded: 1947. Estimated employees: 1000+. Known funding: Government funded. Notable products: Co-design Center for Quantum Advantage.
Upton, New York, USA
Caltech Institute for Quantum Information and Matter
University
Caltech IQIM conducts research in quantum information, matter, computation, and fundamental physics. Founded: 2011. Estimated employees: Unknown. Known funding: NSF and university funded. Notable products: IQIM research programs.
Pasadena, California, USA
Canada National Quantum Strategy
Government Program
Canada's National Quantum Strategy supports quantum computing, communications, sensors, talent, and commercialization. Founded: 2023. Estimated employees: Unknown. Known funding: C$360M plan. Notable products: National Quantum Strategy.
Ottawa, Ontario, Canada
CEA-Leti Quantum Technologies
Research Lab
CEA-Leti conducts applied quantum technology research in semiconductor devices, silicon qubits, sensors, and cryogenic electronics. Founded: 1967. Estimated employees: 1000+. Known funding: Government funded. Notable products: Quantum semiconductor R&D programs.
Grenoble, France
CERN Quantum Technology Initiative
Research Lab
CERN QTI explores quantum technologies for high-energy physics and broader scientific applications. Founded: 2020. Estimated employees: Unknown. Known funding: Publicly funded. Notable products: CERN QTI research programs.
Geneva, Switzerland
Cisco Quantum Networking
Quantum Networking
Cisco researches quantum networking, quantum data center connectivity, and quantum-secure network infrastructure. Founded: Unknown. Estimated employees: 1000+. Known funding: Parent company funded. Notable products: Quantum networking research and prototypes.
San Jose, California, USA
Classiq
Software
Classiq develops a high-level quantum software design and synthesis platform. Founded: 2020. Estimated employees: 51-200. Known funding: $60M+ reported. Notable products: Classiq Platform.
Tel Aviv, Israel
CryptoNext Security
Quantum Security
CryptoNext Security provides post-quantum cryptography migration software and services. Founded: 2019. Estimated employees: 11-50. Known funding: Unknown. Notable products: Quantum Safe Remediation Suite.
Paris, France
D-Wave Quantum
Hardware
D-Wave builds quantum annealing systems, hybrid solvers, and gate-model quantum computing technology. Founded: 1999. Estimated employees: 201-500. Known funding: Public company. Notable products: Advantage2, Leap quantum cloud service.
Burnaby, British Columbia, Canada