QFM market infrastructure

The global quantum company directory.

Search the organisations building quantum processors, software, enabling components, networks, security and sensing systems worldwide.

116tracked organisations

22+countries represented

24public companies

Scope: commercial organisations with an active product, platform or material R&D programme in quantum technology.

Last reviewed: 18 July 2026. Each profile links to the company's official public information. The directory is curated and continuously expanded; it is not a legal registry.

View listed-company market monitor →

RegionCategoryOwnershipValue-chain stage

United StatesPublic pure play

IonQ

Trapped ions

What it does: Full-stack quantum computing, networking and sensing systems.
Value-chain position: Core quantum systems
Why it matters: Its listed status, acquisitions and multi-platform roadmap make it a key public-market reference for the sector.

Computing hardwareNYSE: IONQOpen company profile →

United States / CanadaPublic pure play

D-Wave Quantum

Quantum annealing and gate model

What it does: Commercial quantum systems, cloud access and optimization applications.
Value-chain position: Core quantum systems
Why it matters: It is the longest-running commercial supplier of annealing systems and one of the few vendors reporting production workloads.

Computing hardwareNYSE: QBTSOpen company profile →

United StatesPublic pure play

Rigetti Computing

Superconducting qubits

What it does: Integrated quantum processors, control systems and cloud services.
Value-chain position: Core quantum systems
Why it matters: It offers investors direct exposure to a vertically integrated superconducting hardware developer.

Computing hardwareNASDAQ: RGTIOpen company profile →

United StatesPublic pure play

Quantum Computing Inc.

Photonic quantum technology

What it does: Photonic computing, sensing and quantum optics products.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn photonic quantum technology into scalable, commercially useful computing capacity.

Computing hardwareNASDAQ: QUBTOpen company profile →

United StatesPublic pure play

Infleqtion

Neutral atoms

What it does: Neutral-atom computing, sensing, timing, networking and software.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn neutral atoms into scalable, commercially useful computing capacity.

Computing hardwareNYSE: INFQOpen company profile →

United KingdomPublic pure play

Arqit Quantum

Quantum-safe encryption

What it does: Symmetric-key agreement and quantum-safe communications software.
Value-chain position: Networks, cryptography and security
Why it matters: It addresses the security and connectivity layer required for quantum-safe infrastructure and distributed quantum systems.

Networking & securityNASDAQ: ARQQOpen company profile →

ChinaPublic pure play

QuantumCTek

Quantum communications

What it does: Quantum key distribution, secure networking and related equipment.
Value-chain position: Networks, cryptography and security
Why it matters: One of the few listed companies focused on commercial quantum communications infrastructure.

Networking & securitySSE: 688027Open company profile →

United StatesPublic diversified

IBM Quantum

Superconducting qubits

What it does: Quantum processors, software, cloud access and enterprise research.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn superconducting qubits into scalable, commercially useful computing capacity.

Computing hardwareNYSE: IBMOpen company profile →

United StatesPublic diversified

Google Quantum AI

Superconducting qubits

What it does: Alphabet research programme for fault-tolerant quantum computing.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn superconducting qubits into scalable, commercially useful computing capacity.

Computing hardwareNASDAQ: GOOGLOpen company profile →

United StatesPublic diversified

Microsoft Quantum

Topological research and cloud orchestration

What it does: Quantum hardware research, Azure Quantum and development tools.
Value-chain position: Cloud access and systems integration
Why it matters: It lowers the barrier to testing and integrating multiple quantum technologies inside existing computing environments.

Cloud & integrationNASDAQ: MSFTOpen company profile →

United StatesPublic diversified

Amazon Braket

Multi-hardware cloud platform

What it does: Managed access to multiple quantum hardware and simulation providers.
Value-chain position: Cloud access and systems integration
Why it matters: It lowers the barrier to testing and integrating multiple quantum technologies inside existing computing environments.

Cloud & integrationNASDAQ: AMZNOpen company profile →

United StatesPublic diversified

Intel Quantum

Silicon spin qubits

What it does: Silicon-based processors, cryogenic control and fabrication research.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn silicon spin qubits into scalable, commercially useful computing capacity.

Computing hardwareNASDAQ: INTCOpen company profile →

United StatesPublic diversified

NVIDIA Quantum

Hybrid quantum-classical computing

What it does: CUDA-Q software and accelerated infrastructure for quantum workflows.
Value-chain position: Cloud access and systems integration
Why it matters: It lowers the barrier to testing and integrating multiple quantum technologies inside existing computing environments.

Cloud & integrationNASDAQ: NVDAOpen company profile →

United StatesPublic diversified

Keysight Technologies

Test, measurement and control

What it does: Electronic design, control and measurement tools for quantum systems.
Value-chain position: Enabling hardware and infrastructure
Why it matters: It supplies enabling technology that can determine system performance, reliability and the pace at which hardware can scale.

Components & controlNYSE: KEYSOpen company profile →

United StatesPublic diversified

Honeywell

Strategic shareholder in Quantinuum

What it does: Industrial technology group and major strategic shareholder in Quantinuum.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn strategic shareholder in quantinuum into scalable, commercially useful computing capacity.

Computing hardwareNASDAQ: HONOpen company profile →

JapanPublic diversified

Fujitsu

Superconducting and digital annealing

What it does: Quantum hardware research, hybrid computing and enterprise services.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn superconducting and digital annealing into scalable, commercially useful computing capacity.

Computing hardwareTSE: 6702Open company profile →

JapanPublic diversified

NEC

Superconducting qubits

What it does: Quantum annealing, gate-model research and optimization services.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn superconducting qubits into scalable, commercially useful computing capacity.

Computing hardwareTSE: 6701Open company profile →

JapanPublic diversified

NTT

Photonic and quantum networks

What it does: Quantum communications, photonics and computing research.
Value-chain position: Networks, cryptography and security
Why it matters: It addresses the security and connectivity layer required for quantum-safe infrastructure and distributed quantum systems.

Networking & securityTSE: 9432Open company profile →

FrancePublic diversified

Thales

Quantum-safe security and sensing

What it does: Quantum security, sensors and defence-oriented research programmes.
Value-chain position: Networks, cryptography and security
Why it matters: It addresses the security and connectivity layer required for quantum-safe infrastructure and distributed quantum systems.

Networking & securityEPA: HOOpen company profile →

Finland / United StatesPublic diversified

Nokia Bell Labs

Quantum networking

What it does: Telecommunications research in quantum communications and networks.
Value-chain position: Networks, cryptography and security
Why it matters: It addresses the security and connectivity layer required for quantum-safe infrastructure and distributed quantum systems.

Networking & securityNYSE: NOKOpen company profile →

JapanBusiness unit

Toshiba Digital Solutions

Quantum key distribution

What it does: Commercial quantum-secure networking and QKD systems.
Value-chain position: Networks, cryptography and security
Why it matters: It addresses the security and connectivity layer required for quantum-safe infrastructure and distributed quantum systems.

Networking & securityOpen company profile →

United States / United KingdomPublic pure play

Quantinuum

Trapped ions

What it does: Full-stack trapped-ion computers plus software for chemistry, cybersecurity and fault-tolerant workloads.
Value-chain position: Core quantum systems
Why it matters: One of the broadest full-stack pure plays, combining commercial hardware with software and cyber-security products.

Computing hardwareNASDAQ: QNTOpen company profile →

United StatesPrivate

PsiQuantum

Silicon photonics

What it does: Photonic architecture targeting large-scale fault-tolerant systems.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn silicon photonics into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

CanadaPublic pure play

Xanadu

Photonic quantum computing

What it does: Photonic quantum hardware and PennyLane, a widely used open-source quantum software platform.
Value-chain position: Core quantum systems
Why it matters: A leading photonic contender and the company behind PennyLane, an important software layer used across hardware platforms.

Computing hardwareNASDAQ / TSX: XNDUOpen company profile →

United StatesPrivate

QuEra Computing

Neutral atoms

What it does: Neutral-atom quantum computers delivered through cloud and direct access.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn neutral atoms into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

United StatesPrivate

Atom Computing

Neutral atoms

What it does: Large neutral-atom arrays and fault-tolerant computing development.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn neutral atoms into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

United StatesPrivate

Quantum Circuits

Superconducting dual-rail qubits

What it does: Error-detecting superconducting architecture and full-stack systems.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn superconducting dual-rail qubits into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

United States / Italy / United KingdomPrivate

SEEQC

Superconducting digital quantum computing

What it does: Chip-scale quantum systems with cryogenic digital control.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn superconducting digital quantum computing into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

CanadaPrivate

Photonic

Silicon spin-photon architecture

What it does: Distributed quantum computing and networking based on silicon spins.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn silicon spin-photon architecture into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

CanadaPrivate

Nord Quantique

Bosonic superconducting qubits

What it does: Hardware-efficient quantum error correction using bosonic codes.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn bosonic superconducting qubits into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

CanadaPrivate

Anyon Systems

Superconducting qubits

What it does: On-premises quantum computers and integrated cryogenic systems.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn superconducting qubits into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

United StatesPrivate

QC Ware

Quantum algorithms

What it does: Enterprise quantum and quantum-inspired software for chemistry and optimization.
Value-chain position: Software and applications
Why it matters: It works on the software layer that must translate scarce quantum resources into practical workflows and economic value.

Software & algorithmsOpen company profile →

United StatesPrivate

qBraid

Quantum software platform

What it does: Cloud development environment and access layer across quantum providers.
Value-chain position: Cloud access and systems integration
Why it matters: It lowers the barrier to testing and integrating multiple quantum technologies inside existing computing environments.

Cloud & integrationOpen company profile →

United StatesPrivate

Strangeworks

Multi-provider quantum platform

What it does: Enterprise access, workflow and marketplace services for quantum computing.
Value-chain position: Cloud access and systems integration
Why it matters: It lowers the barrier to testing and integrating multiple quantum technologies inside existing computing environments.

Cloud & integrationOpen company profile →

United StatesPrivate

Aliro Quantum

Quantum networking and security

What it does: Quantum-secure communications and network orchestration software.
Value-chain position: Networks, cryptography and security
Why it matters: It addresses the security and connectivity layer required for quantum-safe infrastructure and distributed quantum systems.

Networking & securityOpen company profile →

United StatesPrivate

Qunnect

Quantum networking

What it does: Room-temperature networking hardware for entanglement distribution.
Value-chain position: Networks, cryptography and security
Why it matters: It addresses the security and connectivity layer required for quantum-safe infrastructure and distributed quantum systems.

Networking & securityOpen company profile →

United StatesPrivate

Qrypt

Quantum-secure encryption

What it does: Distributed encryption and post-quantum data protection software.
Value-chain position: Networks, cryptography and security
Why it matters: It addresses the security and connectivity layer required for quantum-safe infrastructure and distributed quantum systems.

Networking & securityOpen company profile →

CanadaPrivate

evolutionQ

Quantum risk and cryptography

What it does: Quantum-safe cybersecurity products and advisory services.
Value-chain position: Networks, cryptography and security
Why it matters: It addresses the security and connectivity layer required for quantum-safe infrastructure and distributed quantum systems.

Networking & securityOpen company profile →

CanadaPrivate

SBQuantum

Quantum magnetometry

What it does: Diamond-based magnetic sensing for navigation and geophysics.
Value-chain position: Quantum sensors, navigation and timing
Why it matters: It targets quantum applications that may reach operational markets earlier than general-purpose quantum computing.

Sensing & timingOpen company profile →

FrancePrivate

Pasqal

Neutral atoms

What it does: Neutral-atom processors, cloud access and application development.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn neutral atoms into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

FrancePrivate

Alice & Bob

Cat qubits

What it does: Bosonic qubits designed to reduce quantum error-correction overhead.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn cat qubits into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

FrancePrivate

Quandela

Photonic quantum computing

What it does: Photonic processors, single-photon sources and cloud access.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn photonic quantum computing into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

FrancePrivate

C12

Carbon-nanotube spin qubits

What it does: Quantum processors built around ultra-clean carbon nanotubes.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn carbon-nanotube spin qubits into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

FrancePrivate

QPerfect

Quantum simulation and emulation

What it does: High-performance tools for designing and emulating quantum computers.
Value-chain position: Software and applications
Why it matters: It works on the software layer that must translate scarce quantum resources into practical workflows and economic value.

Software & algorithmsOpen company profile →

FinlandPublic pure play

IQM Quantum Computers

Superconducting qubits

What it does: On-premises superconducting quantum computers and co-designed systems for research and HPC centres.
Value-chain position: Core quantum systems
Why it matters: A major European system builder with installations inside national laboratories and high-performance computing centres.

Computing hardwareNASDAQ: IQMXOpen company profile →

FinlandPrivate

SemiQon

Silicon spin qubits

What it does: Semiconductor quantum processors designed for scalable fabrication.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn silicon spin qubits into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

FinlandPrivate

Algorithmiq

Quantum algorithms

What it does: Error-mitigation and life-sciences quantum software.
Value-chain position: Software and applications
Why it matters: It works on the software layer that must translate scarce quantum resources into practical workflows and economic value.

Software & algorithmsOpen company profile →

FinlandPrivate

QMill

Near-term quantum algorithms

What it does: Algorithms intended to produce value on early fault-tolerant machines.
Value-chain position: Software and applications
Why it matters: It works on the software layer that must translate scarce quantum resources into practical workflows and economic value.

Software & algorithmsOpen company profile →

GermanyPrivate

planqc

Neutral atoms

What it does: Room-temperature neutral-atom quantum computing systems.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn neutral atoms into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

GermanyPrivate

eleQtron

Trapped ions

What it does: Microwave-controlled trapped-ion quantum computers.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn trapped ions into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

GermanyPrivate

HQS Quantum Simulations

Materials simulation

What it does: Quantum and classical software for materials and molecular modelling.
Value-chain position: Software and applications
Why it matters: It works on the software layer that must translate scarce quantum resources into practical workflows and economic value.

Software & algorithmsOpen company profile →

GermanyPrivate

Kipu Quantum

Application-specific algorithms

What it does: Compression algorithms and enterprise quantum applications.
Value-chain position: Software and applications
Why it matters: It works on the software layer that must translate scarce quantum resources into practical workflows and economic value.

Software & algorithmsOpen company profile →

GermanyPrivate

Q.ANT

Photonic computing

What it does: Photonic processors and quantum sensors for industrial applications.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn photonic computing into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

GermanyPrivate

kiutra

Cryogenics

What it does: Cryogen-free refrigeration systems for quantum technology.
Value-chain position: Enabling hardware and infrastructure
Why it matters: It supplies enabling technology that can determine system performance, reliability and the pace at which hardware can scale.

Components & controlOpen company profile →

SpainPrivate

Multiverse Computing

Quantum and tensor-network software

What it does: Industrial optimization, AI compression and quantum software.
Value-chain position: Software and applications
Why it matters: It works on the software layer that must translate scarce quantum resources into practical workflows and economic value.

Software & algorithmsOpen company profile →

SpainPrivate

Qilimanjaro Quantum Tech

Analog quantum computing

What it does: Superconducting analog processors for optimization and simulation.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn analog quantum computing into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

SpainPrivate

LuxQuanta

Quantum key distribution

What it does: Continuous-variable QKD systems for telecommunications networks.
Value-chain position: Networks, cryptography and security
Why it matters: It addresses the security and connectivity layer required for quantum-safe infrastructure and distributed quantum systems.

Networking & securityOpen company profile →

SwitzerlandPrivate

Terra Quantum

Hybrid quantum technology

What it does: Algorithms, security and quantum-as-a-service applications.
Value-chain position: Software and applications
Why it matters: It works on the software layer that must translate scarce quantum resources into practical workflows and economic value.

Software & algorithmsOpen company profile →

SwitzerlandBusiness unit

ID Quantique

QKD and quantum random numbers

What it does: Commercial quantum-safe network security and random-number systems.
Value-chain position: Networks, cryptography and security
Why it matters: It addresses the security and connectivity layer required for quantum-safe infrastructure and distributed quantum systems.

Networking & securityOpen company profile →

SwitzerlandPrivate

Qnami

Diamond quantum sensing

What it does: Quantum microscopes and diamond sensors for materials analysis.
Value-chain position: Quantum sensors, navigation and timing
Why it matters: It targets quantum applications that may reach operational markets earlier than general-purpose quantum computing.

Sensing & timingOpen company profile →

SwitzerlandBusiness unit

Zurich Instruments

Quantum control electronics

What it does: Measurement and control systems for quantum processors.
Value-chain position: Enabling hardware and infrastructure
Why it matters: It supplies enabling technology that can determine system performance, reliability and the pace at which hardware can scale.

Components & controlOpen company profile →

NetherlandsPrivate

Qblox

Quantum control stacks

What it does: Scalable electronics and software for controlling quantum processors.
Value-chain position: Enabling hardware and infrastructure
Why it matters: It supplies enabling technology that can determine system performance, reliability and the pace at which hardware can scale.

Components & controlOpen company profile →

NetherlandsPrivate

QuiX Quantum

Photonic quantum computing

What it does: Integrated photonic processors and modular quantum systems.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn photonic quantum computing into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

NetherlandsPrivate

QphoX

Quantum transduction

What it does: Interfaces linking microwave quantum processors to optical networks.
Value-chain position: Networks, cryptography and security
Why it matters: It addresses the security and connectivity layer required for quantum-safe infrastructure and distributed quantum systems.

Networking & securityOpen company profile →

NetherlandsPrivate

Delft Circuits

Cryogenic cabling

What it does: High-density cryogenic input-output systems for quantum hardware.
Value-chain position: Enabling hardware and infrastructure
Why it matters: It supplies enabling technology that can determine system performance, reliability and the pace at which hardware can scale.

Components & controlOpen company profile →

NetherlandsPrivate

Single Quantum

Single-photon detection

What it does: Superconducting nanowire detectors for quantum optics and communications.
Value-chain position: Enabling hardware and infrastructure
Why it matters: It supplies enabling technology that can determine system performance, reliability and the pace at which hardware can scale.

Components & controlOpen company profile →

United KingdomPrivate

ORCA Computing

Photonic quantum computing

What it does: Room-temperature photonic systems using quantum memory.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn photonic quantum computing into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

United KingdomPrivate

Oxford Quantum Circuits

Superconducting qubits

What it does: Cloud-accessible and on-premises quantum computing systems.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn superconducting qubits into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

United KingdomPrivate

Quantum Motion

Silicon spin qubits

What it does: CMOS-compatible silicon quantum processor development.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn silicon spin qubits into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

United KingdomPrivate

Universal Quantum

Trapped ions

What it does: Modular trapped-ion systems using microwave control.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn trapped ions into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

United KingdomPrivate

Riverlane

Quantum error correction

What it does: Error-correction stack and decoder technology for quantum computers.
Value-chain position: Software and applications
Why it matters: It works on the software layer that must translate scarce quantum resources into practical workflows and economic value.

Software & algorithmsOpen company profile →

United KingdomPrivate

Nu Quantum

Quantum networking

What it does: Photonic interconnects for distributed quantum computing.
Value-chain position: Networks, cryptography and security
Why it matters: It addresses the security and connectivity layer required for quantum-safe infrastructure and distributed quantum systems.

Networking & securityOpen company profile →

United KingdomPrivate

Aegiq

Quantum photonics

What it does: Single-photon technologies for networking, computing and sensing.
Value-chain position: Networks, cryptography and security
Why it matters: It addresses the security and connectivity layer required for quantum-safe infrastructure and distributed quantum systems.

Networking & securityOpen company profile →

United KingdomPrivate

M Squared

Lasers and photonics

What it does: Precision laser systems supporting quantum research and deployment.
Value-chain position: Enabling hardware and infrastructure
Why it matters: It supplies enabling technology that can determine system performance, reliability and the pace at which hardware can scale.

Components & controlOpen company profile →

IrelandPrivate

Equal1

Silicon spin qubits

What it does: Quantum processors and control electronics integrated in silicon.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn silicon spin qubits into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

AustriaPrivate

Alpine Quantum Technologies

Trapped ions

What it does: Rack-mounted trapped-ion quantum computers and cloud access.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn trapped ions into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

Austria / GermanyPrivate

ParityQC

Quantum architecture

What it does: Operating-system and architecture design for digital quantum computers.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn quantum architecture into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

Italy / United StatesPrivate

Ephos

Glass photonic chips

What it does: Integrated photonics for quantum computing, sensing and communications.
Value-chain position: Enabling hardware and infrastructure
Why it matters: It supplies enabling technology that can determine system performance, reliability and the pace at which hardware can scale.

Components & controlOpen company profile →

DenmarkPrivate

Sparrow Quantum

Single-photon sources

What it does: Deterministic photonic components for quantum computing and networks.
Value-chain position: Enabling hardware and infrastructure
Why it matters: It supplies enabling technology that can determine system performance, reliability and the pace at which hardware can scale.

Components & controlOpen company profile →

IsraelPrivate

Quantum Machines

Quantum orchestration

What it does: Control hardware and software spanning multiple qubit modalities.
Value-chain position: Enabling hardware and infrastructure
Why it matters: It supplies enabling technology that can determine system performance, reliability and the pace at which hardware can scale.

Components & controlOpen company profile →

IsraelPrivate

Classiq

Quantum software design

What it does: High-level modelling, synthesis and analysis of quantum programs.
Value-chain position: Software and applications
Why it matters: It works on the software layer that must translate scarce quantum resources into practical workflows and economic value.

Software & algorithmsOpen company profile →

IsraelPrivate

Qedma

Error mitigation

What it does: Software for suppressing errors in quantum computations.
Value-chain position: Software and applications
Why it matters: It works on the software layer that must translate scarce quantum resources into practical workflows and economic value.

Software & algorithmsOpen company profile →

IsraelPrivate

Quantum Source

Photonic quantum computing

What it does: Fault-tolerant photonic architecture using deterministic photon interactions.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn photonic quantum computing into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

AustraliaPrivate

Silicon Quantum Computing

Silicon atom qubits

What it does: Atomic-precision silicon quantum processor development.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn silicon atom qubits into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

AustraliaPrivate

Diraq

Silicon spin qubits

What it does: CMOS-compatible quantum processors based on electron spins.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn silicon spin qubits into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

Australia / GermanyPrivate

Quantum Brilliance

Diamond quantum accelerators

What it does: Room-temperature diamond systems designed for edge deployment.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn diamond quantum accelerators into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

AustraliaPrivate

Q-CTRL

Quantum control

What it does: Control software, error suppression and quantum sensing applications.
Value-chain position: Software and applications
Why it matters: It works on the software layer that must translate scarce quantum resources into practical workflows and economic value.

Software & algorithmsOpen company profile →

JapanPrivate

QunaSys

Quantum chemistry

What it does: Algorithms and enterprise tools for chemistry and materials discovery.
Value-chain position: Software and applications
Why it matters: It works on the software layer that must translate scarce quantum resources into practical workflows and economic value.

Software & algorithmsOpen company profile →

JapanPrivate

Jij

Optimization

What it does: Quantum and classical optimization software for industrial planning.
Value-chain position: Software and applications
Why it matters: It works on the software layer that must translate scarce quantum resources into practical workflows and economic value.

Software & algorithmsOpen company profile →

JapanPrivate

blueqat

Quantum software platform

What it does: Development tools, cloud access and enterprise quantum services.
Value-chain position: Cloud access and systems integration
Why it matters: It lowers the barrier to testing and integrating multiple quantum technologies inside existing computing environments.

Cloud & integrationOpen company profile →

ChinaPrivate

Origin Quantum

Superconducting qubits

What it does: Full-stack quantum computers, chips, control systems and software.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn superconducting qubits into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

ChinaPrivate

SpinQ

NMR and superconducting systems

What it does: Education-focused desktop systems and superconducting research platforms.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn nmr and superconducting systems into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

IndiaPrivate

QpiAI

Full-stack quantum and AI

What it does: Superconducting hardware, software and AI-accelerated quantum workflows.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn full-stack quantum and ai into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

IndiaPrivate

QNu Labs

Quantum-safe security

What it does: QKD, quantum random numbers and post-quantum security products.
Value-chain position: Networks, cryptography and security
Why it matters: It addresses the security and connectivity layer required for quantum-safe infrastructure and distributed quantum systems.

Networking & securityOpen company profile →

IndiaPrivate

BosonQ Psi

Quantum simulation

What it does: Simulation software for engineering and industrial applications.
Value-chain position: Software and applications
Why it matters: It works on the software layer that must translate scarce quantum resources into practical workflows and economic value.

Software & algorithmsOpen company profile →

SingaporePublic pure play

Horizon Quantum Computing

Quantum programming systems

What it does: Software infrastructure that compiles higher-level programs into executable quantum circuits.
Value-chain position: Software and applications
Why it matters: It addresses the programming bottleneck between familiar software and the low-level circuits required by quantum hardware.

Software & algorithmsNASDAQ: HQOpen company profile →

SingaporePrivate

Entropica Labs

Quantum error correction

What it does: Software infrastructure for fault-tolerant quantum computing.
Value-chain position: Software and applications
Why it matters: It works on the software layer that must translate scarce quantum resources into practical workflows and economic value.

Software & algorithmsOpen company profile →

South KoreaPrivate

SDT

Quantum systems integration

What it does: Quantum computing infrastructure, control and cloud services.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn quantum systems integration into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

South KoreaPrivate

Qunova Computing

Quantum chemistry and materials

What it does: Quantum software for chemistry, energy and materials applications.
Value-chain position: Software and applications
Why it matters: It works on the software layer that must translate scarce quantum resources into practical workflows and economic value.

Software & algorithmsOpen company profile →

UruguayPrivate

Quantum South

Optimization

What it does: Quantum optimization software focused on logistics and air cargo.
Value-chain position: Software and applications
Why it matters: It works on the software layer that must translate scarce quantum resources into practical workflows and economic value.

Software & algorithmsOpen company profile →

United StatesPrivate

SandboxAQ

Post-quantum security and quantum sensing

What it does: Enterprise software for cryptographic migration, AI-enabled sensing and quantum-derived simulation.
Value-chain position: Networks, cryptography and security
Why it matters: It addresses the security and connectivity layer required for quantum-safe infrastructure and distributed quantum systems.

Networking & securityOpen company profile →

United StatesPrivate

EeroQ

Electrons on helium

What it does: Quantum processors that use electron-spin qubits floating above superfluid helium.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn electrons on helium into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

United StatesPrivate

Maybell Quantum

Cryogenic infrastructure

What it does: Compact dilution refrigerators and cryogenic wiring for quantum laboratories and data centres.
Value-chain position: Enabling hardware and infrastructure
Why it matters: It supplies enabling technology that can determine system performance, reliability and the pace at which hardware can scale.

Components & controlOpen company profile →

United StatesPrivate

Vector Atomic

Quantum timing and inertial sensing

What it does: Atomic clocks and inertial sensors for navigation and timing when satellite signals are unavailable.
Value-chain position: Quantum sensors, navigation and timing
Why it matters: It targets quantum applications that may reach operational markets earlier than general-purpose quantum computing.

Sensing & timingOpen company profile →

United States / SwedenPrivate

Atlantic Quantum

Superconducting fluxonium qubits

What it does: Fault-tolerant quantum hardware built around low-error superconducting fluxonium qubits.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn superconducting fluxonium qubits into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

United KingdomPrivate

PQShield

Post-quantum cryptography

What it does: PQC software and hardware intellectual property for chips, devices and enterprise systems.
Value-chain position: Networks, cryptography and security
Why it matters: It addresses the security and connectivity layer required for quantum-safe infrastructure and distributed quantum systems.

Networking & securityOpen company profile →

United KingdomPrivate

Phasecraft

Quantum algorithms

What it does: Algorithms designed to reduce the hardware resources needed for useful materials and chemistry workloads.
Value-chain position: Software and applications
Why it matters: It works on the software layer that must translate scarce quantum resources into practical workflows and economic value.

Software & algorithmsOpen company profile →

NetherlandsPrivate

QuantWare

Superconducting quantum processors

What it does: Open-architecture quantum processing units supplied to system builders and research organisations.
Value-chain position: Enabling hardware and infrastructure
Why it matters: It supplies enabling technology that can determine system performance, reliability and the pace at which hardware can scale.

Components & controlOpen company profile →

NetherlandsPrivate

Orange Quantum Systems

Quantum system testing

What it does: Automated test and characterization systems for quantum chips and complete quantum computers.
Value-chain position: Enabling hardware and infrastructure
Why it matters: It supplies enabling technology that can determine system performance, reliability and the pace at which hardware can scale.

Components & controlOpen company profile →

FrancePrivate

Quobly

Silicon spin qubits

What it does: Semiconductor quantum processors designed around established microelectronics manufacturing methods.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn silicon spin qubits into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

FrancePrivate

CryptoNext Security

Post-quantum cryptography

What it does: Crypto-agility and post-quantum migration software for enterprises and critical infrastructure.
Value-chain position: Networks, cryptography and security
Why it matters: It addresses the security and connectivity layer required for quantum-safe infrastructure and distributed quantum systems.

Networking & securityOpen company profile →

FrancePrivate

Welinq

Quantum interconnects

What it does: Quantum memory and networking technology intended to connect processors into larger systems.
Value-chain position: Networks, cryptography and security
Why it matters: It addresses the security and connectivity layer required for quantum-safe infrastructure and distributed quantum systems.

Networking & securityOpen company profile →

FinlandPrivate

Bluefors

Cryogenics

What it does: Dilution refrigerators and cryogenic infrastructure used by superconducting quantum-computing laboratories.
Value-chain position: Enabling hardware and infrastructure
Why it matters: It supplies enabling technology that can determine system performance, reliability and the pace at which hardware can scale.

Components & controlOpen company profile →

GermanyPrivate

Pixel Photonics

Single-photon detection

What it does: Scalable superconducting single-photon detectors for quantum computing, communications and sensing.
Value-chain position: Enabling hardware and infrastructure
Why it matters: It supplies enabling technology that can determine system performance, reliability and the pace at which hardware can scale.

Components & controlOpen company profile →

SingaporePrivate

SpeQtral

Satellite quantum communications

What it does: Space-based and terrestrial quantum key-distribution systems for secure global networks.
Value-chain position: Networks, cryptography and security
Why it matters: It addresses the security and connectivity layer required for quantum-safe infrastructure and distributed quantum systems.

Networking & securityOpen company profile →

IsraelPrivate

Quantum Art

Trapped ions

What it does: Multi-core trapped-ion architecture designed to connect smaller quantum registers into larger machines.
Value-chain position: Core quantum systems
Why it matters: It is relevant to the race to turn trapped ions into scalable, commercially useful computing capacity.

Computing hardwareOpen company profile →

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