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    Region of England

    Quantum companies in South East

    38 listed organisations (18% of the UK total; 2nd of 12 nations and regions) and 16 projects led from here.

    Organisations
    38
    Projects led here
    16
    Active projects
    9
    • Project
    • Organisation

    Main places, by number of organisations

    • Oxford · 9
    • Southampton · 4
    • Harwell · 3
    • Brighton · 3
    • Didcot · 2

    Projects led from South East (16)

    • Active Programme · 2024 onwards

      NQCC Quantum Computing Testbed Programme

      A £30m programme that paid seven companies to build prototype quantum computers, known as testbeds, at the NQCC in Harwell.

      Led by NQCC

      Funding: £30m

      Themes: Computing

    • Active Programme · 2024 onwards

      Quantum Business Incubation Centre programme

      QuBIC

      An incubation programme at Harwell, run by STFC with the NQCC, that gives quantum start-ups small grants and business support.

      Led by Quantum Business Incubation Centre

      Themes: Computing, Skills and training

    • Active Testbed · 2024 onwards

      QUARTET trapped-ion testbed (Oxford Ionics)

      QUARTET

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

      Led by Oxford Ionics

      Themes: Computing

    • Active Testbed · 2024 onwards

      SQALE neutral-atom testbed (Infleqtion)

      SQALE

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

      Led by Infleqtion UK (ColdQuanta UK Ltd)

      Themes: Computing

    • Active Programme · 2022 onwards

      SparQ quantum readiness programme

      SparQ

      The NQCC's programme for helping UK companies and researchers find uses for quantum computers and get access to them.

      Led by NQCC

      Themes: Computing, Software and algorithms, Skills and training

    • Active Centre · 2020 onwards

      National Quantum Computing Centre

      NQCC

      The UK's national laboratory for quantum computing, based at the Rutherford Appleton Laboratory on the Harwell Campus in Oxfordshire.

      Led by NQCC

      Funding: £93m

      Themes: Computing, Software and algorithms, Skills and training

    • Planned Centre · From 2025

      Quantum Centre for Nuclear Defence and Security

      QCNDS

      A centre of excellence launched by AWE in November 2025 and led by the University of Strathclyde, applying quantum sensing and computing to nuclear science for national security.

      Led by University of Strathclyde, Aldermaston

      Themes: Computing, Sensing, Defence and security

    • Completed Consortium · 2025 to 2026

      Open Architecture Quantum (OAQ) Testbed

      OAQ Testbed

      A TreQ-led consortium that built a modular quantum computing testbed in Oxfordshire that mixes processors, control systems and software from different suppliers.

      Led by TreQ

      Themes: Computing

    • Completed Consortium · 2024 to 2026

      MARCONI: Modular UK QKD receivers for Quantum Internet

      MARCONI

      A RedWave Labs-led consortium building two UK-made receiver modules for entanglement-based quantum key distribution.

      Led by RedWave Labs

      Funding: £1.5m

      Themes: Communications, Networks

    • Completed Hub · 2019 to 2024

      UK Quantum Technology Hub in Quantum Computing and Simulation

      QCS

      The phase 2 national hub for quantum computing and simulation, led by the University of Oxford. It ran from 2019 to 2024.

      Led by University of Oxford

      Funding: £27.3m

      Themes: Computing, Software and algorithms

    Organisations (38)

    Company (25)

    Start-up (3)

    National lab (1)

    • AWE Aldermaston

    Research organisation (1)

    Ecosystem and network (1)

    All nations and regions · Interactive map