Quantum componentsFreshwater Quarry, Brixham Laboratory, Brixham Tq5 8Ba, Brixham
BAY Photonics
Specializes in photonic assembly and packaging for quantum, sensing, and telecom applications, from prototype to production.
Quantum companies in United Kingdom
Compare quantum companies with an address in United Kingdom. Confirm service areas and capabilities before you engage.
Results
18 quantum companies
Quantum components2a ROSEBANK ROAD, ROSEBANK, Livingston
Helia Photonics
Provides III-V and silicon photonics back-end-of-line processes, thin-film optical coatings, and quantum technology coatings and back-end processing.
Quantum sensing and metrologyR103, Fermi Avenue, Harwell Campus, Oxford
Quantum Detectors Ltd.
Develops advanced direct electron detectors and readout systems for electron microscopy and X-ray research. Products include MerlinEM, Merlin T4, and Xspress 3…
Quantum componentsDidcot
RedWave Labs
Designs and manufactures custom photonics control electronics; developing quantum key distribution receivers, single photon detectors and a master controller…
Quantum hardwareSouthampton
Aquark Technologies Ltd
Builds miniaturised cold-atom quantum hardware for sensing, timing and spectroscopy, drawing on quantum physics, vacuum engineering, microfabrication and…
Post-quantum cryptography vendorsLondon
Arqit
Provides quantum-safe encryption products and PQC migration tooling, including software-defined encryption for telecom, government and critical infrastructure,…
Quantum networking and QKDGlasgow
Craft Prospect
Small satellite company leading the ESA/UKSA-supported OPS-SAT VOLT mission; offers a 6U CubeSat quantum key distribution payload using the BB84 protocol and a…
Quantum componentsCirencester
CryoCoax
Division of Intelliconnect making cryogenic RF cables, cable assemblies, connectors and components for quantum computing, space, defense and research…
Quantum componentsLondon
Cryogenic Limited
Supplies high-field superconducting magnets and cryogen-free low-temperature measurement systems down to 10 mK, with in-house manufacturing; products include…
Quantum networking and QKDBristol
KETS Quantum Security
Develops chip-based quantum security products including quantum key distribution and quantum random number generators for defense, finance, critical…
Quantum sensing and metrologyLondon
Mesa Quantum
Develops mass-manufacturable, chip-scale quantum sensors on a neutral-atom platform, including VCSEL atomic clocks, RF magnetometers and atomic spin gyroscopes…
Quantum networking and QKDCambridge
Nu Quantum
Builds quantum networking technology to scale quantum computers by weaving processors into interconnected, modular architectures; its Entanglement Fabric…
Quantum hardwareOxford
ORCA Computing
Builds photonic quantum computers, including the PT Series and PT-3, designed to integrate with existing data centres and GPUs for hybrid quantum-classical AI…
Quantum componentsEdinburgh
Photon Force
Designs and manufactures single-photon sensitive cameras and sensors with time-resolved single-photon counting; serves quantum applications and quantum optics…
Quantum componentsGlasgow
QPICs
Pure-play foundry fabricating quantum photonic integrated circuits with 3-4 week turnaround and flexible waveguide materials; operates a turnkey fab at the…
Quantum software and algorithmsEngland
Riverlane
Riverlane develops quantum error correction (QEC) technology, including the Deltaflow real-time QEC system, Deltakit open-source software, and proprietary QEC…
Quantum hardwareHayward's Heath
Universal Quantum
Trapped-ion quantum computing company building utility-scale quantum computers on a modular blueprint; raised over $100m Series A.
Quantum componentsCambridge
Wave Photonics
Provides rapid photonic integrated circuit design technology, PDKs, design services, packaging and measurement services for telecommunications, quantum,…
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Questions
Which nations in United Kingdom have the most quantum companies?
The nations with the most quantum companies are England (16 quantum companies), Scotland (1 quantum company), and WLN (1 quantum company).
Which cities in United Kingdom have the most quantum companies?
The cities with the most quantum companies are London, England (3 quantum companies), Cambridge, England (2 quantum companies), Oxford, England (2 quantum companies), Bristol, England (1 quantum company), and Brixham, England (1 quantum company).
What kinds of quantum companies are in United Kingdom?
Categories in United Kingdom: Quantum components, Quantum hardware, Quantum networking and QKD, Quantum sensing and metrology, and Post-quantum cryptography vendors.
Published by Quantum Companies. How we check each quantum company.