01 Quantum Inc.
01 Quantum Inc. develops post-quantum cryptography products and services built around its IronCAP technology.
Software and algorithms
Companies in this category: 103
1QB Information Technologies Inc.
1QB Information Technologies Inc. develops automated quantum design tools for utility-scale quantum computation.
Aegiq Ltd.
Aegiq Ltd. is a UK company developing fault-tolerant photonic quantum computers using deterministic photon sources and silicon photonics.
Algorithmiq
Algorithmiq develops quantum algorithms and software interfaces for chemistry, healthcare, and life-sciences applications using hybrid classical and quantum computing.
Aliro Technologies, Inc.
Aliro Technologies, Inc. develops software to design, control, and operate entanglement-based quantum networks across real-world infrastructure.
Alpine Quantum Technologies GmbH
Alpine Quantum Technologies GmbH is an Innsbruck, Austria-based company building trapped-ion quantum computers, instruments, and cloud access services.
Amazon Braket
Amazon Braket is an AWS quantum cloud computing service for accessing quantum computers and simulators on AWS.
Anyon Systems Inc.
Anyon Systems Inc. is a Canadian company developing and deploying on-premise superconducting quantum computers and software for HPC centres, government, universities, and strategic partners.
Arqit
Arqit provides software-based quantum-safe cybersecurity products focused on post-quantum cryptography migration, key sovereignty, and network encryption.
Azure Quantum
Azure Quantum is Microsoft's quantum computing offering within Azure, combining quantum technologies with AI and high-performance computing.
BlueQubit
BlueQubit is a quantum software company building algorithms, simulators, developer tools, and hardware access for quantum computing.
BQP
BQP, formerly BosonQ Psi, develops quantum-inspired simulation and optimization software for engineering and mission-critical applications.
BTQ Technologies Corp.
BTQ Technologies Corp. develops trusted quantum infrastructure spanning post-quantum cryptographic hardware, blockchain network security, and quantum computing infrastructure tools.
C12
C12 is a Paris-based company developing carbon-based quantum computing hardware and software tools aimed at utility-scale, fault-tolerant quantum computing.
Chicago Quantum Exchange
Chicago Quantum Exchange is a Midwest-based consortium advancing quantum research, workforce development, and regional economic innovation.
Classiq
Classiq develops enterprise quantum computing software for designing, optimizing, and running quantum algorithms across multiple hardware backends and simulators.
ColibriTD
ColibriTD is a Paris-based quantum software company developing hybrid algorithms and tools for multiphysics simulation and scientific computing.
Conductor Quantum, Inc.
Conductor Quantum builds software for operating quantum computers, including a natural-language interface and automated calibration/control tools.
CryptoNext Security
CryptoNext Security develops post-quantum cryptography and crypto-agility products to help organizations assess, migrate, and manage quantum-resistant cybersecurity.
D-Wave Quantum Inc.
D-Wave Quantum Inc. develops quantum computing systems, cloud services, software, and services centered on annealing and gate-model technologies.
Entropica Labs Pte Ltd
Singapore-based Entropica Labs develops software infrastructure for programmable fault-tolerant quantum computing, spanning QEC design, compilation, and deployment.
esoteriq
esoteriq is an early-stage quantum software company developing Rune, a tool to judge where quantum computing can deliver commercial value, starting in finance.
evolutionQ
evolutionQ is a cybersecurity company developing software and services for post-quantum cryptographic resilience and quantum networking adoption.
Fixstars Amplify
Fixstars Amplify is a quantum computing platform for optimization that works with quantum annealing, Ising, mathematical optimization, and gate-based quantum systems.
Haiqu Inc.
Haiqu Inc. develops quantum computing software for R&D teams, including an agentic operating system, SDK, and runtime for running applications on quantum hardware.
Horizon Quantum Holdings Ltd.
Horizon Quantum Holdings Ltd. develops software infrastructure for quantum computing, centered on its Triple Alpha integrated development environment.
HQS Quantum Simulations
HQS Quantum Simulations develops quantum-model-based software for spectroscopy, NMR analysis, and quantum simulation applications for science and industry.
IBM Quantum
IBM Quantum is IBM’s full-stack quantum computing business, offering quantum hardware, Qiskit software, and platform access for research and commercial partners.
Infleqtion, Inc.
Infleqtion, Inc. develops neutral-atom quantum computing, sensing, networking, security, and software systems for government, commercial, and research users.
IQM Quantum Computers Plc
IQM Quantum Computers Plc builds full-stack superconducting quantum computers and related cloud access for HPC centers, researchers, and enterprises.
JIJ Inc.
JIJ Inc. is a Japanese software company providing mathematical optimization and quantum-computing-related services, centered on its JijZept platform.
Kipu Quantum GmbH
Kipu Quantum GmbH provides a cloud platform and algorithms intended to help enterprises and researchers build quantum applications on real hardware.
Kvantify
Kvantify develops software and services that combine quantum and classical computing for molecular discovery in chemistry and biology.
memQ Inc.
memQ Inc. develops quantum networking technology and an extensible architecture for connecting quantum processing units.
Molecular Quantum Solutions
Molecular Quantum Solutions develops software for quantum chemistry, materials science, and machine-learning workflows, centered on its Cebule platform for molecular R&D.
Moth Quantum
Moth Quantum is a quantum technology company building creative applications and an API platform for using quantum computing in games, media, and creative workflows.
Multiverse Computing
Multiverse Computing develops compressed AI models and a quantum-inspired optimization platform called Singularity.
NORMA Inc.
NORMA Inc. is a South Korean quantum technology company building quantum-computing infrastructure, including cloud, software, hardware, applications, and quantum security offerings.
Nu Quantum
Nu Quantum builds quantum networking technology and an "Entanglement Fabric" to connect processors for distributed quantum computing scale-out.
NVIDIA
NVIDIA offers quantum computing software, simulation, networking, and post-quantum cryptography tools centered on accelerated quantum supercomputing.
Orange Quantum Systems
Orange Quantum Systems develops test equipment, software, and services for benchmarking and scaling solid-state quantum chips.
Origin Quantum Computing Technology (Hefei) Co., Ltd.
Origin Quantum is a Hefei-based quantum computing company developing superconducting quantum computers, full-stack software, control systems, cloud services, and related hardware.
Oxford Quantum Circuits
Oxford Quantum Circuits builds superconducting quantum computers and provides quantum-compute-as-a-service, with systems deployed in commercial environments and data centres.
Parity Quantum Computing GmbH
Parity Quantum Computing GmbH develops quantum-computing architecture blueprints and operating-system software for scalable quantum computers.
Pasqal
Pasqal is a quantum computing company developing neutral-atom quantum processors and related cloud and software offerings for industrial and scientific applications.
Patero
Patero provides cryptographic inventory and post-quantum security tools aimed at protecting infrastructure, data, and networks.
Pelagic Systems
Pelagic Systems builds real-time control, calibration and characterization software for quantum processors, running analysis on FPGA controllers.
Phasecraft Limited
Phasecraft Limited is a quantum algorithms company developing software for materials discovery and optimization across multiple quantum hardware platforms.
planqc
planqc is a quantum computing company developing full-stack systems built around neutral-atom qubits trapped in optical lattices.
Plurilock Security Inc.
Plurilock Security Inc. is a public cybersecurity and IT services company that offers AI security and post-quantum readiness services.
Post-Quantum
Post-Quantum develops quantum-safe cybersecurity products focused on post-quantum cryptography, including hybrid VPN, messaging, and identity protection solutions.
pQCee Pte Ltd
pQCee builds post-quantum cryptography and quantum-safe security products, including PQC certificates, QKD key management and quantum-safe web encryption.
PQShield Ltd
PQShield Ltd develops post-quantum cryptography hardware and software for securing devices, applications, and infrastructure against quantum-era threats.
Project Eleven
Project Eleven develops post-quantum security offerings for digital-asset infrastructure and publishes research on quantum risks to blockchains.
PsiQuantum
PsiQuantum is a private quantum computing company developing fault-tolerant quantum computers using silicon photonics.
Q-CTRL
Q-CTRL develops AI-powered infrastructure software for quantum computing and quantum sensing, including products for error reduction, hardware control, education, and GPS-free navigation.
Q.ANT GmbH
Q.ANT GmbH is a Stuttgart-based company developing photonic processors and software for AI and high-performance computing, while also participating in photonic quantum-computing projects.
QANplatform
QANplatform develops a quantum-resistant Layer 1 hybrid blockchain using lattice-based cryptography for smart contracts and Web3 applications.
Qblox BV
Qblox BV develops scalable qubit control and readout electronics for quantum computing and research across multiple qubit architectures.
qBraid Co.
qBraid Co. is a Chicago-based quantum software company offering a cloud platform to build, run, deploy, and learn quantum computing across multiple hardware providers.
QC Ware
QC Ware develops enterprise software and services for quantum computing and offers the Promethium computational chemistry platform.
QCentroid
QCentroid provides a platform for accessing and comparing quantum algorithms, simulators, and hardware through a unified API.
Qedma
Qedma develops mid-stack quantum software for error mitigation, suppression, and signal extraction on noisy quantum hardware.
Qilimanjaro Quantum Tech
Barcelona-based Qilimanjaro Quantum Tech builds full-stack analog quantum computers and related infrastructure, including its SpeQtrum access platform and on-premise deployments.
Qnami
Qnami develops diamond NV-center quantum microscopy platforms, sensors, and software for nanoscale magnetic imaging and materials research.
Qoro Quantum Ltd
Qoro Quantum develops software to orchestrate hybrid classical-quantum computing across CPUs, GPUs, simulators, and quantum processors.
QPerfect
QPerfect is a Strasbourg-based quantum software company that builds the MIMIQ quantum circuit emulator and the QLU fault-tolerant compilation layer for neutral-atom processors.
QpiAI
QpiAI develops full-stack AI and quantum computing products, including superconducting quantum processors, systems, and cloud-based software platforms.
Qruise GmbH
Qruise GmbH develops machine-learning software and digital-twin tools for quantum computing, magnetic resonance, and quantum sensing.
Quandela
Quandela develops photonic quantum computers, cloud access, and related software and photonic components.
Quantinuum
Quantinuum develops trapped-ion quantum computers, cloud and developer software, and application software for quantum computing.
QuantrolOx Ltd.
QuantrolOx develops machine-learning software to automate tuning, characterization, and optimization of superconducting quantum computers.
Quantropi Inc.
Quantropi is a Canadian cybersecurity company offering quantum-secure communications products spanning post-quantum cryptography, symmetric encryption, and quantum entropy services.
Quantum Art
Quantum Art is a private quantum computing company developing scalable trapped-ion, multi-core full-stack quantum computing systems.
Quantum Elements
Quantum Elements describes itself as an AI-native quantum development platform for building, optimizing, and launching quantum applications.
Quantum eMotion Corp.
Quantum eMotion Corp. develops quantum random number generation and quantum-safe cybersecurity hardware, software, and cloud services.
Quantum Generative Materials (GenMat)
GenMat is a materials engineering company developing AI and quantum-enabled software for materials discovery and simulation.
Quantum Machines
Quantum Machines develops control and orchestration technology for quantum computing, including hardware and software for building and operating quantum computers.
Quantum Rings, Inc.
Quantum Rings, Inc. provides large-scale quantum circuit simulation software and access to external QPUs through its Open Quantum platform.
Qubit Pharmaceuticals
Qubit Pharmaceuticals develops quantum- and AI-enabled molecular modeling software and drug discovery programs for oncology, inflammation, and antivirals.
QUDORA Technologies
German startup building ion-trap quantum computers, stand-alone processors, and a cloud platform for trapped-ion quantum computing services.
QuEra Computing
QuEra Computing develops neutral-atom quantum computers and related platforms for cloud, research, enterprise, HPC, and public-sector users.
QuintessenceLabs
QuintessenceLabs is an Australian quantum cybersecurity company offering quantum key distribution, quantum random number generation, and post-quantum cryptography-related products.
QunaSys Inc.
QunaSys Inc. develops quantum-computing algorithms and software, including QURI SDK, and provides consulting and research services for industrial applications such as chemistry.
Qunova Computing
Qunova Computing presents itself as a Korean quantum computing solution venture focused on drug and material design and quantum modeling and optimization solutions.
QuSecure, Inc.
QuSecure is a security company that provides software for crypto-agility and migration to NIST post-quantum cryptography in critical systems.
QuTech
QuTech is a Dutch research institute developing quantum computing and quantum internet technologies as a collaboration between TU Delft and TNO.
Rigetti Computing
Rigetti Computing builds superconducting quantum processors and quantum computers, and provides cloud access through its Quantum Cloud Services platform.
Riverlane Ltd
Riverlane Ltd develops quantum error correction hardware, software and services for quantum computing.
SandboxAQ
SandboxAQ is a private enterprise SaaS company developing AI and quantum technology applications for simulation, cybersecurity, sensing, and navigation.
SDT Inc.
SDT Inc. provides full-stack quantum computing infrastructure, including control electronics, cryogenic machinery, pre-configured quantum computers, and a hybrid cloud platform.
SEALSQ
SEALSQ develops secure semiconductors, provisioning, and PKI services with a stated focus on post-quantum cryptography and quantum-resistant security.
Shanghai TuringQ Quantum Technology Co., Ltd.
TuringQ is a Shanghai-based quantum company developing photonic chips, quantum computing systems, and related software platforms.
Silicon Quantum Computing
Silicon Quantum Computing develops phosphorus-in-silicon quantum processors and related full-stack products, including quantum-enhanced AI and simulation offerings.
SpinQ Technology Inc.
SpinQ Technology Inc. develops superconducting and NMR quantum computers, plus cloud and software platforms for research, education, and industry applications.
Strangeworks, Inc.
Strangeworks builds software and services for optimization, using classical, quantum-inspired, and quantum computing resources.
Superquantum
Superquantum builds a software stack for fault-tolerant quantum computers covering resource estimation, optimization, orchestration and execution.
Sygaldry Technologies, Inc.
Sygaldry Technologies, Inc. says it is building quantum-accelerated AI servers that combine multiple qubit modalities for AI training and inference.
Terra Quantum
Terra Quantum offers Quantum as a Service covering quantum algorithms, quantum computing, and quantum security.
Unitary Foundation
Unitary Foundation is a 501(c)(3) nonprofit that supports the quantum technology ecosystem through microgrants, research, and open-source community activities.
Welinq
Welinq develops quantum networking solutions, including quantum links, memory-based storage, and software for modular quantum computing and quantum communication networks.
Xanadu Quantum Technologies
Xanadu Quantum Technologies is a Canadian quantum computing company developing photonic quantum computers and open-source quantum software.
Zurich Instruments AG
Zurich Instruments AG develops quantum control electronics and precision test instruments, including systems for qubit control and readout at scale.