QFM market infrastructure
The global quantum company directory.
Search the organisations building quantum processors, software, enabling components, networks, security and sensing systems worldwide.
Scope: commercial organisations with an active product, platform or material R&D programme in quantum technology.
Last reviewed: 17 July 2026. The directory is curated and continuously expanded; it is not a legal registry.
View listed-company market monitor →United StatesPublic pure play
IonQ
Trapped ions
Full-stack quantum computing, networking and sensing systems.
Computing hardwareNYSE: IONQCompany site ↗
United States / CanadaPublic pure play
D-Wave Quantum
Quantum annealing and gate model
Commercial quantum systems, cloud access and optimization applications.
Computing hardwareNYSE: QBTSCompany site ↗
United StatesPublic pure play
Rigetti Computing
Superconducting qubits
Integrated quantum processors, control systems and cloud services.
Computing hardwareNASDAQ: RGTICompany site ↗
United StatesPublic pure play
Quantum Computing Inc.
Photonic quantum technology
Photonic computing, sensing and quantum optics products.
Computing hardwareNASDAQ: QUBTCompany site ↗
United StatesPublic pure play
Infleqtion
Neutral atoms
Neutral-atom computing, sensing, timing, networking and software.
Computing hardwareNYSE: INFQCompany site ↗
United KingdomPublic pure play
Arqit Quantum
Quantum-safe encryption
Symmetric-key agreement and quantum-safe communications software.
Networking & securityNASDAQ: ARQQCompany site ↗
ChinaPublic pure play
QuantumCTek
Quantum communications
Quantum key distribution, secure networking and related equipment.
Networking & securitySSE: 688027Company site ↗
United StatesPublic diversified
IBM Quantum
Superconducting qubits
Quantum processors, software, cloud access and enterprise research.
Computing hardwareNYSE: IBMCompany site ↗
United StatesPublic diversified
Google Quantum AI
Superconducting qubits
Alphabet research programme for fault-tolerant quantum computing.
Computing hardwareNASDAQ: GOOGLCompany site ↗
United StatesPublic diversified
Microsoft Quantum
Topological research and cloud orchestration
Quantum hardware research, Azure Quantum and development tools.
Cloud & integrationNASDAQ: MSFTCompany site ↗
United StatesPublic diversified
Amazon Braket
Multi-hardware cloud platform
Managed access to multiple quantum hardware and simulation providers.
Cloud & integrationNASDAQ: AMZNCompany site ↗
United StatesPublic diversified
Intel Quantum
Silicon spin qubits
Silicon-based processors, cryogenic control and fabrication research.
Computing hardwareNASDAQ: INTCCompany site ↗
United StatesPublic diversified
NVIDIA Quantum
Hybrid quantum-classical computing
CUDA-Q software and accelerated infrastructure for quantum workflows.
Cloud & integrationNASDAQ: NVDACompany site ↗
United StatesPublic diversified
Keysight Technologies
Test, measurement and control
Electronic design, control and measurement tools for quantum systems.
Components & controlNYSE: KEYSCompany site ↗
United StatesPublic diversified
Honeywell
Strategic ownership in Quantinuum
Industrial technology group with a controlling interest in Quantinuum.
Computing hardwareNASDAQ: HONCompany site ↗
JapanPublic diversified
Fujitsu
Superconducting and digital annealing
Quantum hardware research, hybrid computing and enterprise services.
Computing hardwareTSE: 6702Company site ↗
JapanPublic diversified
NEC
Superconducting qubits
Quantum annealing, gate-model research and optimization services.
Computing hardwareTSE: 6701Company site ↗
JapanPublic diversified
NTT
Photonic and quantum networks
Quantum communications, photonics and computing research.
Networking & securityTSE: 9432Company site ↗
FrancePublic diversified
Thales
Quantum-safe security and sensing
Quantum security, sensors and defence-oriented research programmes.
Networking & securityEPA: HOCompany site ↗
Finland / United StatesPublic diversified
Nokia Bell Labs
Quantum networking
Telecommunications research in quantum communications and networks.
Networking & securityNYSE: NOKCompany site ↗
JapanBusiness unit
Toshiba Digital Solutions
Quantum key distribution
Commercial quantum-secure networking and QKD systems.
Networking & securityCompany site ↗
United States / United KingdomPrivate
Quantinuum
Trapped ions
Integrated quantum hardware, software, cybersecurity and chemistry tools.
Computing hardwareCompany site ↗
United StatesPrivate
PsiQuantum
Silicon photonics
Photonic architecture targeting large-scale fault-tolerant systems.
Computing hardwareCompany site ↗
CanadaPrivate
Xanadu
Photonic quantum computing
Photonic hardware and the open-source PennyLane software platform.
Computing hardwareCompany site ↗
United StatesPrivate
QuEra Computing
Neutral atoms
Neutral-atom quantum computers delivered through cloud and direct access.
Computing hardwareCompany site ↗
United StatesPrivate
Atom Computing
Neutral atoms
Large neutral-atom arrays and fault-tolerant computing development.
Computing hardwareCompany site ↗
United StatesPrivate
Quantum Circuits
Superconducting dual-rail qubits
Error-detecting superconducting architecture and full-stack systems.
Computing hardwareCompany site ↗
United States / Italy / United KingdomPrivate
SEEQC
Superconducting digital quantum computing
Chip-scale quantum systems with cryogenic digital control.
Computing hardwareCompany site ↗
CanadaPrivate
Photonic
Silicon spin-photon architecture
Distributed quantum computing and networking based on silicon spins.
Computing hardwareCompany site ↗
CanadaPrivate
Nord Quantique
Bosonic superconducting qubits
Hardware-efficient quantum error correction using bosonic codes.
Computing hardwareCompany site ↗
CanadaPrivate
Anyon Systems
Superconducting qubits
On-premises quantum computers and integrated cryogenic systems.
Computing hardwareCompany site ↗
United StatesPrivate
QC Ware
Quantum algorithms
Enterprise quantum and quantum-inspired software for chemistry and optimization.
Software & algorithmsCompany site ↗
United StatesPrivate
qBraid
Quantum software platform
Cloud development environment and access layer across quantum providers.
Cloud & integrationCompany site ↗
United StatesPrivate
Strangeworks
Multi-provider quantum platform
Enterprise access, workflow and marketplace services for quantum computing.
Cloud & integrationCompany site ↗
United StatesPrivate
Aliro Quantum
Quantum networking and security
Quantum-secure communications and network orchestration software.
Networking & securityCompany site ↗
United StatesPrivate
Qunnect
Quantum networking
Room-temperature networking hardware for entanglement distribution.
Networking & securityCompany site ↗
United StatesPrivate
Qrypt
Quantum-secure encryption
Distributed encryption and post-quantum data protection software.
Networking & securityCompany site ↗
CanadaPrivate
evolutionQ
Quantum risk and cryptography
Quantum-safe cybersecurity products and advisory services.
Networking & securityCompany site ↗
CanadaPrivate
SBQuantum
Quantum magnetometry
Diamond-based magnetic sensing for navigation and geophysics.
Sensing & timingCompany site ↗
FrancePrivate
Pasqal
Neutral atoms
Neutral-atom processors, cloud access and application development.
Computing hardwareCompany site ↗
FrancePrivate
Alice & Bob
Cat qubits
Bosonic qubits designed to reduce quantum error-correction overhead.
Computing hardwareCompany site ↗
FrancePrivate
Quandela
Photonic quantum computing
Photonic processors, single-photon sources and cloud access.
Computing hardwareCompany site ↗
FrancePrivate
C12
Carbon-nanotube spin qubits
Quantum processors built around ultra-clean carbon nanotubes.
Computing hardwareCompany site ↗
FrancePrivate
QPerfect
Quantum simulation and emulation
High-performance tools for designing and emulating quantum computers.
Software & algorithmsCompany site ↗
FinlandPrivate
IQM Quantum Computers
Superconducting qubits
On-premises quantum computers and co-design systems for HPC centres.
Computing hardwareCompany site ↗
FinlandPrivate
SemiQon
Silicon spin qubits
Semiconductor quantum processors designed for scalable fabrication.
Computing hardwareCompany site ↗
FinlandPrivate
Algorithmiq
Quantum algorithms
Error-mitigation and life-sciences quantum software.
Software & algorithmsCompany site ↗
FinlandPrivate
QMill
Near-term quantum algorithms
Algorithms intended to produce value on early fault-tolerant machines.
Software & algorithmsCompany site ↗
GermanyPrivate
planqc
Neutral atoms
Room-temperature neutral-atom quantum computing systems.
Computing hardwareCompany site ↗
GermanyPrivate
eleQtron
Trapped ions
Microwave-controlled trapped-ion quantum computers.
Computing hardwareCompany site ↗
GermanyPrivate
HQS Quantum Simulations
Materials simulation
Quantum and classical software for materials and molecular modelling.
Software & algorithmsCompany site ↗
GermanyPrivate
Kipu Quantum
Application-specific algorithms
Compression algorithms and enterprise quantum applications.
Software & algorithmsCompany site ↗
GermanyPrivate
Q.ANT
Photonic computing
Photonic processors and quantum sensors for industrial applications.
Computing hardwareCompany site ↗
GermanyPrivate
kiutra
Cryogenics
Cryogen-free refrigeration systems for quantum technology.
Components & controlCompany site ↗
SpainPrivate
Multiverse Computing
Quantum and tensor-network software
Industrial optimization, AI compression and quantum software.
Software & algorithmsCompany site ↗
SpainPrivate
Qilimanjaro Quantum Tech
Analog quantum computing
Superconducting analog processors for optimization and simulation.
Computing hardwareCompany site ↗
SpainPrivate
LuxQuanta
Quantum key distribution
Continuous-variable QKD systems for telecommunications networks.
Networking & securityCompany site ↗
SwitzerlandPrivate
Terra Quantum
Hybrid quantum technology
Algorithms, security and quantum-as-a-service applications.
Software & algorithmsCompany site ↗
SwitzerlandBusiness unit
ID Quantique
QKD and quantum random numbers
Commercial quantum-safe network security and random-number systems.
Networking & securityCompany site ↗
SwitzerlandPrivate
Qnami
Diamond quantum sensing
Quantum microscopes and diamond sensors for materials analysis.
Sensing & timingCompany site ↗
SwitzerlandBusiness unit
Zurich Instruments
Quantum control electronics
Measurement and control systems for quantum processors.
Components & controlCompany site ↗
NetherlandsPrivate
Qblox
Quantum control stacks
Scalable electronics and software for controlling quantum processors.
Components & controlCompany site ↗
NetherlandsPrivate
QuiX Quantum
Photonic quantum computing
Integrated photonic processors and modular quantum systems.
Computing hardwareCompany site ↗
NetherlandsPrivate
QphoX
Quantum transduction
Interfaces linking microwave quantum processors to optical networks.
Networking & securityCompany site ↗
NetherlandsPrivate
Delft Circuits
Cryogenic cabling
High-density cryogenic input-output systems for quantum hardware.
Components & controlCompany site ↗
NetherlandsPrivate
Single Quantum
Single-photon detection
Superconducting nanowire detectors for quantum optics and communications.
Components & controlCompany site ↗
United KingdomPrivate
ORCA Computing
Photonic quantum computing
Room-temperature photonic systems using quantum memory.
Computing hardwareCompany site ↗
United KingdomPrivate
Oxford Quantum Circuits
Superconducting qubits
Cloud-accessible and on-premises quantum computing systems.
Computing hardwareCompany site ↗
United KingdomPrivate
Quantum Motion
Silicon spin qubits
CMOS-compatible silicon quantum processor development.
Computing hardwareCompany site ↗
United KingdomPrivate
Universal Quantum
Trapped ions
Modular trapped-ion systems using microwave control.
Computing hardwareCompany site ↗
United KingdomPrivate
Riverlane
Quantum error correction
Error-correction stack and decoder technology for quantum computers.
Software & algorithmsCompany site ↗
United KingdomPrivate
Nu Quantum
Quantum networking
Photonic interconnects for distributed quantum computing.
Networking & securityCompany site ↗
United KingdomPrivate
Aegiq
Quantum photonics
Single-photon technologies for networking, computing and sensing.
Networking & securityCompany site ↗
United KingdomPrivate
M Squared
Lasers and photonics
Precision laser systems supporting quantum research and deployment.
Components & controlCompany site ↗
IrelandPrivate
Equal1
Silicon spin qubits
Quantum processors and control electronics integrated in silicon.
Computing hardwareCompany site ↗
AustriaPrivate
Alpine Quantum Technologies
Trapped ions
Rack-mounted trapped-ion quantum computers and cloud access.
Computing hardwareCompany site ↗
Austria / GermanyPrivate
ParityQC
Quantum architecture
Operating-system and architecture design for digital quantum computers.
Computing hardwareCompany site ↗
Italy / United StatesPrivate
Ephos
Glass photonic chips
Integrated photonics for quantum computing, sensing and communications.
Components & controlCompany site ↗
DenmarkPrivate
Sparrow Quantum
Single-photon sources
Deterministic photonic components for quantum computing and networks.
Components & controlCompany site ↗
IsraelPrivate
Quantum Machines
Quantum orchestration
Control hardware and software spanning multiple qubit modalities.
Components & controlCompany site ↗
IsraelPrivate
Classiq
Quantum software design
High-level modelling, synthesis and analysis of quantum programs.
Software & algorithmsCompany site ↗
IsraelPrivate
Qedma
Error mitigation
Software for suppressing errors in quantum computations.
Software & algorithmsCompany site ↗
IsraelPrivate
Quantum Source
Photonic quantum computing
Fault-tolerant photonic architecture using deterministic photon interactions.
Computing hardwareCompany site ↗
AustraliaPrivate
Silicon Quantum Computing
Silicon atom qubits
Atomic-precision silicon quantum processor development.
Computing hardwareCompany site ↗
AustraliaPrivate
Diraq
Silicon spin qubits
CMOS-compatible quantum processors based on electron spins.
Computing hardwareCompany site ↗
Australia / GermanyPrivate
Quantum Brilliance
Diamond quantum accelerators
Room-temperature diamond systems designed for edge deployment.
Computing hardwareCompany site ↗
AustraliaPrivate
Q-CTRL
Quantum control
Control software, error suppression and quantum sensing applications.
Software & algorithmsCompany site ↗
JapanPrivate
QunaSys
Quantum chemistry
Algorithms and enterprise tools for chemistry and materials discovery.
Software & algorithmsCompany site ↗
JapanPrivate
Jij
Optimization
Quantum and classical optimization software for industrial planning.
Software & algorithmsCompany site ↗
JapanPrivate
blueqat
Quantum software platform
Development tools, cloud access and enterprise quantum services.
Cloud & integrationCompany site ↗
ChinaPrivate
Origin Quantum
Superconducting qubits
Full-stack quantum computers, chips, control systems and software.
Computing hardwareCompany site ↗
ChinaPrivate
SpinQ
NMR and superconducting systems
Education-focused desktop systems and superconducting research platforms.
Computing hardwareCompany site ↗
IndiaPrivate
QpiAI
Full-stack quantum and AI
Superconducting hardware, software and AI-accelerated quantum workflows.
Computing hardwareCompany site ↗
IndiaPrivate
QNu Labs
Quantum-safe security
QKD, quantum random numbers and post-quantum security products.
Networking & securityCompany site ↗
IndiaPrivate
BosonQ Psi
Quantum simulation
Simulation software for engineering and industrial applications.
Software & algorithmsCompany site ↗
SingaporePrivate
Horizon Quantum Computing
Quantum programming systems
Tools that compile conventional programs for quantum execution.
Software & algorithmsCompany site ↗
SingaporePrivate
Entropica Labs
Quantum error correction
Software infrastructure for fault-tolerant quantum computing.
Software & algorithmsCompany site ↗
South KoreaPrivate
SDT
Quantum systems integration
Quantum computing infrastructure, control and cloud services.
Computing hardwareCompany site ↗
South KoreaPrivate
Qunova Computing
Quantum chemistry and materials
Quantum software for chemistry, energy and materials applications.
Software & algorithmsCompany site ↗
UruguayPrivate
Quantum South
Optimization
Quantum optimization software focused on logistics and air cargo.
Software & algorithmsCompany site ↗
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