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    Region of England

    Quantum companies in London

    67 listed organisations (31% of the UK total; more than any other nation or region) and 22 projects led from here.

    Organisations
    67
    Projects led here
    22
    Active projects
    11
    • Project
    • Organisation

    Main places, by number of organisations

    • London · 64
    • Teddington · 1
    • Hayes · 1

    Projects led from London (22)

    • Active Testbed · 2024 onwards

      Asteroidea photonic testbed (ORCA Computing)

      Asteroidea

      A photonic quantum computing testbed built for the National Quantum Computing Centre under its 2024 testbed programme.

      Led by ORCA Computing

      Themes: Computing

    • Active Testbed · 2024 onwards

      Full-stack superconducting testbed (Rigetti UK)

      A superconducting quantum computing testbed built for the National Quantum Computing Centre under its 2024 testbed programme.

      Led by Rigetti UK

      Themes: Computing

    • Active Testbed · 2024 onwards

      Silicon Cloverleaf testbed (Quantum Motion)

      A silicon spin qubit quantum computing testbed built for the National Quantum Computing Centre under its 2024 testbed programme.

      Led by Quantum Motion

      Themes: Computing

    • Active Hub · 2024 onwards

      UK Quantum Biomedical Sensing Research Hub

      Q-BIOMED

      A national research hub that develops quantum sensors for earlier diagnosis of disease. UCL and the University of Cambridge lead it.

      Led by University College London

      Funding: £24m

      Themes: Sensing, Biomedical and health, Imaging

    • Active Mission · 2023 to 2035

      Quantum Mission 1: Quantum computing

      Mission 1

      A government goal that by 2035 there will be accessible, UK-based quantum computers able to run one trillion operations.

      Led by Department for Science, Innovation and Technology

      Themes: Computing, Software and algorithms

    • Active Mission · 2023 to 2035

      Quantum Mission 2: Quantum networks

      Mission 2

      A government goal that by 2035 the UK will have deployed the world's most advanced quantum network at scale.

      Led by Department for Science, Innovation and Technology

      Themes: Networks, Communications

    • Active Mission · 2023 to 2030

      Quantum Mission 3: Quantum sensing in the NHS

      Mission 3

      A government goal that by 2030 every NHS Trust will benefit from quantum sensing-enabled solutions.

      Led by Department for Science, Innovation and Technology

      Themes: Sensing, Imaging, Biomedical and health

    • Active Mission · 2023 to 2030

      Quantum Mission 4: Quantum navigation

      Mission 4

      A government goal that by 2030 quantum navigation systems, including clocks, will be deployed on aircraft.

      Led by Department for Science, Innovation and Technology

      Themes: Timing and navigation, Sensing

    • Active Mission · 2023 to 2030

      Quantum Mission 5: Networked quantum sensors

      Mission 5

      A government goal that by 2030 mobile, networked quantum sensors will give new situational awareness across critical infrastructure.

      Led by Department for Science, Innovation and Technology

      Themes: Sensing, Defence and security

    • Active Collaboration · 2022 onwards

      London Quantum-Secured Metro Network

      A commercial trial of a quantum-secured fibre network in London, run by BT with quantum key distribution equipment from Toshiba.

      Led by BT Group

      Themes: Communications, Networks

    • Active Centre · 2015 onwards

      Quantum Metrology Institute

      QMI

      NPL's institute that provides measurement expertise and facilities for testing and validating quantum technologies.

      Led by NPL

      Themes: Timing and navigation, Sensing, Computing, Communications

    • Completed Consortium · 2025 to 2026

      Nitrogen Doped Graphene Catalysts

      Q-CTRL and Johnson Matthey used quantum optimisation to study metal-free catalysts for hydrogen fuel cells.

      Led by Q-CTRL UK

      Themes: Computing, Materials and components

    • Completed Consortium · 2024 to 2026

      QAssure

      A BT-led consortium developing ways to assure the security and reliability of quantum key distribution systems.

      Led by BT Group

      Themes: Communications, Networks

    • Completed Consortium · 2024 to 2025

      QuantiCo: Quantum Computing for Corrosion

      QuantiCo

      A consortium of Capgemini UK, Airbus, King's College London and the NQCC that used quantum chemistry methods to predict corrosion of aluminium alloys.

      Lead not confirmed in sources

      Themes: Computing, Materials and components

    • Completed Consortium · 2022 to 2025

      The Quantum Data Centre of the Future

      An ORCA-led consortium that designed and demonstrated how a quantum computer could sit inside a data centre alongside classical systems.

      Led by ORCA Computing

      Themes: Computing, Communications, Networks

    • Completed Consortium · 2020 to 2023

      AIRQKD

      A BT-led consortium testing free-space quantum key distribution for short and mid-range links, including 5G and connected vehicles.

      Led by BT Group

      Themes: Communications, Networks

    • Completed Programme · 2019 to 2025

      National Timing Centre R&D programme

      NTC

      An NPL-led programme to build a network of atomic clocks so that the UK relies less on satellite timing signals.

      Led by NPL

      Funding: £36m

      Themes: Timing and navigation

    Organisations (67)

    Company (40)

    Investor (10)

    Government (5)

    Research organisation (4)

    University (3)

    Start-up (2)

    Enterprise adopter (2)

    Funder (1)

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