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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)

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