Quantum

A venture capital firm investing €300M into early-stage companies developing quantum computing, sensing, and communications technologies.

A Danish company that develops optical quantum random number generators (QRNG) that measure vacuum fluctuations of laser light.

French quantum computing company specializing in cat qubit-based fault-tolerant quantum computers, aiming to deliver the first industrially useful fault-tolerant quantum computer by 2030.

AQT builds trapped-ion quantum computers, offering European data residency via Amazon Braket. It is the Innsbruck-based hardware vendor founded in 2018 as a spin-off from the University of Innsbruck and the Austrian Academy of Sciences.

Blackhills Quantum is Belgium's leading quantum security consultancy, providing vendor-neutral, crypto-agile solutions and strategic defense partnerships.

Finnish cryogenic technology company specializing in ultra-low temperature cooling systems for quantum computing.

French quantum computing company specializing in carbon nanotube qubits, aiming to build a universal fault-tolerant quantum computer.

Cobolt specializes in lasers for quantum systems, contributing to the quantum technology ecosystem.

French company specializing in post-quantum cryptography, offering advanced solutions to help organizations transition to quantum-resistant cybersecurity.

A Danish company that develops quantum diamond magnetic microscopes utilizing NV centers to non-destructively analyze semiconductor chip failures at the microscopic level.

German commercial hardware manufacturer developing trapped-ion quantum computers using MAGIC technology. Partners with DLR and Infineon.

Produces glass-based photonic chips with low signal loss, targeting applications like quantum computing scalability.

FirstQFM is a Stockholm-based quantum technology company developing proprietary AI foundation models for quantum computing.

A provider of technological solutions, implementing innovations in security, digitisation, and hardware infrastructure, and the first private company to own and operate a 54-qubit quantum computer in Poland.

An interdisciplinary group of Norwegian researchers focusing on quantum computation, sensors, materials, and communication.

A Copenhagen-based software company that predicts physical properties of molecules and mixtures using quantum chemistry, thermodynamics, and machine learning.

Develops quantum simulation software for materials science, pharmaceuticals, and specialty chemicals. Spin-off from Karlsruhe Institute of Technology.

ID Quantique is a provider of network and data encryption solutions using quantum key generation and quantum key distribution.

imec is a research and development center involved in quantum communication infrastructure, particularly in Quantum Key Distribution (QKD).

French company developing advanced optical sensing solutions for real-time monitoring of chemical and biological processes.

A leading quantum computing company specializing in designing and manufacturing quantum processors.

IQM Quantum Computers builds superconducting quantum computers used by research institutions and enterprise partners, positioning Europe at the forefront of next-generation computing infrastructure.

A Danish quantum computing company developing quantum-ready drug discovery platforms that calculate Unbinding Kinetics to complement and reduce costly laboratory experiments.

Low Noise Factory is a Swedish manufacturer of cryogenic low-noise amplifiers, essential for quantum computing readout systems.

A Copenhagen-based startup that builds a quantum software platform to calculate the thermodynamic properties of molecules, aiming to speed up research and development in the pharmaceutical, biotech, and chemical industries.

Multiverse Computing is a Spanish company developing optimisation algorithms designed to run on both classical and quantum hardware, helping industries tackle complex decision-making problems.

A Danish photonics company that supplies fiber lasers, photonic crystal fibers, and optical components used in quantum computing, quantum communication, and quantum sensing.

Oxford Ionics builds trapped-ion processors that run on standard silicon chips, steering the qubits with electronic control rather than lasers.

ParityQC designs quantum architecture and compiler software, centered on its parity-encoding approach and the ParityOS operating system. It is one of the few quantum-architecture pure-plays in the world.

French quantum computing company specializing in neutral-atom quantum computing, aiming to build a universal fault-tolerant quantum computer with 128 logical qubits by 2030 and 2,048 logical qubits by 2035.

Phase Space Computing provides educational tools and toolboxes that demonstrate quantum gate functions and algorithms.

A Pisa-based quantum technology startup developing solid-state energy technology using quantum mechanics and superconducting quantum computers.

Develops neutral-atom quantum computers using optical lattice trapping. Spun off from Max Planck Institute of Quantum Optics.

QBee is a quantum technology startup based in Brasschaat, Belgium, focusing on quantum micro-architecture, quantum computing simulators, and quantum genomics.

A Danish quantum electronics company that develops precision electronic instruments and components for quantum computing and quantum research.

Develops analog quantum computers and multimodal data centers, aiming to fast-track quantum advantage and unlock global access via cloud or on-prem.

A Danish quantum computing company founded as a spinout from the Centre for Quantum Mathematics (QM) at the University of Southern Denmark (SDU).

Develops and produces Quantum Key Distribution systems for ultra-secure communications with a European supply chain.

French quantum computing company specializing in photonic quantum computing, designing, building, and delivering cutting-edge quantum solutions for industry.

A quantum simulation software company providing tools for physicists to study condensed matter systems, many-body quantum systems, and quantum materials on near-term hardware.

Develops and deploys full-stack quantum computers manufactured using industry-standard 300mm CMOS wafer technology, aiming to deliver commercially viable, utility-scale, fault-tolerant systems.

Quantum Storage Belgium is the European R&D center of Quantum Inc., focusing on advancing object storage technologies.

qtlabs specializes in optical and quantum communications, focusing on quantum key distribution (QKD) from space to enable global quantum-secure communication.

QuantumBasel is a Center of Competence for Quantum Computing and Artificial Intelligence, offering quantum technology access and enablement through custom projects and trainings.

A company that develops, designs, and fabricates scalable superconducting quantum processors, making them accessible to quantum computer builders at a fraction of the cost of competing solutions.

A photonic quantum computing company based in Enschede, Netherlands, building room-temperature quantum processors from low-loss silicon-nitride waveguide circuits.

A subsidiary of QunaSys, a leading quantum computing company, established in Copenhagen to expand its quantum technology footprint in Europe.

A Nordic quantum initiative by EIFO and the Novo Nordisk Foundation, operating one of the first Level-2 quantum computers in collaboration with Atom Computing and Microsoft.

French quantum computing startup specializing in silicon spin qubits, aiming to industrialize quantum computing technology.

Riverlane works on quantum error correction, designing technology to catch and fix errors that swamp today’s noisy quantum machines.

SCALINQ is a quantum computing company specializing in processor packaging for quantum technologies.

Utilizes innovative semiconductor technology to make quantum computing more scalable.

A Danish startup developing high-performance single-photon sources and quantum light generation systems essential for photonic quantum computing, quantum communication, and quantum sensing applications.

French company specializing in developing next-generation LiDAR (Light Detection and Ranging) sensors, leveraging silicon photonics to provide high-precision 3D vision solutions.

Telia Company is involved in quantum-safe network pilots and is a member of the National Quantum Communication Infrastructure in Sweden project.

Terra Quantum offers Quantum as a Service in the areas of quantum algorithms, quantum computing, and quantum security.

Cork-based research institute part of University College Cork, focusing on semiconductor and photonics research relevant to quantum technology.

French company specializing in quantum cryptography solutions, developing advanced architectures and software designed to secure data during communication, storage, and computation.

French quantum computing startup specializing in quantum interconnects based on neutral-atom technology, focusing on scaling quantum computing and communication.