A snapshot of the ever-growing startups and initiatives building or enabling quantum computing for Europe
Silicon-spin qubit systems using standard CMOS processes; installed a full-stack system at the NQCC in 2025.
World leader in cryogen-free dilution refrigerators, the core ultra-low-temperature platforms used in most European superconducting quantum labs.
Neutral-atom hardware; founded 2019; partnered with NVIDIA’s CUDA-Q platform; >€140m raised.
One of six EuroHPC quantum computers being installed and integrated into national supercomputing centres.
One of six EuroHPC quantum computers being installed and integrated into national supercomputing centres.
LiNPhA is a Stockholm (Sweden) based team specializing in nanofabrication of photonic integrated circuits (PIC) on the lithium niobate on insulator (LNOI) material platform.
The QuNorth Flagship Program serves as a premier initiative aimed at accelerating quantum innovation across the Nordic region. I
Full-stack photonic quantum computing; delivering systems to OVHcloud and France’s TGCC (Lucy system, 12 photonic qubits).
Nu Quantum is on a mission to integrate novel photonic hardware and interconnects to weave entanglement between quantum processors. The resulting scale-out enables the Entanglement Fabric: a modular, scalable and fault-tolerant architecture.
Kvantify develops software that runs both on quantum computers as well as classical compute architectures like CPU and GPU to solve the most challenging problems in chemistry and biology with speed and precision in order to discover molecules that cure diseases.
google.comMicrowave readout solutions for quantum tech developers. Our flagship product is a near-quantum-limited amplifier designed for high-fidelity qubit readout.
google.comQMill develops quantum-advantage algorithms which will be executed on near-term quantum computers to solve complex problems that ar
google.comWe enable trustworthy, scalable, and practical quantum communication solutions that will protect critical information infrastructure for decades to come.
google.comIs a spin-off company from Linköping University, Sweden, producing educational tools for quantum information scienc
google.comBuilding Machine Learning Based Software for Quantum Control with a goal to maximise quantum computer uptime.
google.comWe specialise in providing training program and workshops in Quantum Technology. This will enhance your understanding and engagement with this field. We also provide hands on technical services such as design and simulation for quantum systems.
google.comAt FirstQFM, we're building machine learning foundation models that improve the performance and scalability of quantum computers.
google.comMajorana-based hardware R&D, integrated with Magne project
Intermodulation Products AB has been pioneering measurement and analysis techniques for nonlinear physics and quantum technology since 2010.
Superconducting hardware, full-stack systems, 50–300 qubit machines, >€300m raised, >30 quantum computers built.
Photonic quantum computers using telecom-grade fiber components; first photonic system installed at the UK’s National Quantum Computing Centre (NQCC).
SPQR core technology detects single photons with ultra-high time resolution, which allows to separate out photons that move on different paths through tissue. We use proprietary software to synthesize X-ray-like images from such data.
A product series of compact lowpass and infrared quantum filters made to provide state-of-the-art performance
Amplifying Quantum Potential Our Three Wave Mixing TWPA is designed for the widest uninterrupted bandwidth on the market enabling high signal-to-noise performance.
The goal of Solinide Photonics is to become a provider of microcombs — a novel laser source that provides multiple wavelengths.
One of six EuroHPC quantum computers being installed and integrated into national supercomputing centres.
Physical hub for labs, startups, investors and corporates; annual public funding ~DKK 16m.
MIT-founded superconducting/fluxonium hardware startup, with European presence via Chalmers; acquired by Google Quantum AI in 2025.
High-Energy Radiation Drain (HERD) filtering technique invented at Chalmers University sets a new standard in infra-red (IR) block filtering by providing ultra low in-band losses while preserving IR absorption of traditional IR-blocking filters.
Next-Generation Chip-scale Quantum Sensors for precise measurements, robust communication and reliable navigation across land, sea and space.
Strong historical and current hub at DTU and Copenhagen for quantum technology.
25-qubit open system; one of Europe’s largest open quantum computers, funded by Innovation Fund Denmark.
New medical imaging method, Ultrasound Optical Tomography (UOT), uses a combination of ultrasound, laser spectroscopy and quantum sensors to take detailed pictures of the oxygen levels in the body.
We build end-to-end systems based on single photon generation and detection
Hosts systems from ORCA, Quantum Motion and others; core UK hub.
Hosts Lucy, Quandela’s 12-qubit photonic system, as part of Europe’s HPC–quantum integration.
Novel semiconductor lasers for high-impact applications in quantum technology, medicine and semiconductor industry.
Europe’s next-generation AI lab for a quantum world
One of six EuroHPC quantum computers being installed and integrated into national supercomputing centres.
Using quantum technology to secure the most sensitive data - today and in the quantum future.
Alea Quantum Technologies produces the world's fastest Quantum Random Number Generators that generate truly random numbers.
Quantum algorithms and error-mitigation for life sciences and chemistry (drug discovery, molecular simulation)
Dutch hub co-locating startups, corporates and researchers.
One of six EuroHPC quantum computers being installed and integrated into national supercomputing centres.
Photonic processors used by Quandela and others as core components in photonic platforms.
Developing solutions for cryogenic microwave components for the most demanding applications.
The company holds world-leading expertise in the field of nonlinear optics.
One of six EuroHPC quantum computers being installed and integrated into national supercomputing centres.