4colors Research
Company · Cambridge
Theme
Quantum computing companies and projects in the UK
Building quantum computers: qubit hardware, control systems, error correction and the testbeds that put them to use.
43 projects (21 active), £461.9m of it with a sourced funding figure; Innovate UK leads the most (4). 53 companies and start-ups work in this area.
UK quantum computing companies (53)
Companies and start-ups whose listed specialisms include hardware, computing, processors, software, control, algorithms.
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Aegiq
Company · Sheffield
AmorphiQ
Start-up · Cambridge
Applied Quantum Computing
Company · London
Aquark Technologies
Company · Southampton
Arqit
Company · London
AstraZeneca
Company · Cambridge
Cerca Magnetics
Company · Nottingham
CryoCoax
Company · Chelmsford
Crypta Labs
Company · London
Deloitte
Company · London
Delta g
Company · Birmingham
Delta Gold Technologies
Company · London
Duality Quantum Photonics
Company · Bristol
Edwards Vacuum
Company · Burgess Hill
Filtronic
Company · Sedgefield
Hashberg
Company · London
Kelvin Nanotechnology
Company · Glasgow
Kuano
Company · Cambridge
M Squared Lasers
Company · Glasgow
Moth Quantum
Company · London
nodeQ
Company · York
Novacene Photonics
Start-up · Glasgow
Nu Quantum
Company · Cambridge
ORCA Computing
Company · London
Oxford Instruments
Company · High Wycombe
Oxford Quantum Circuits
Company · Reading
Phasecraft
Company · London
Qinara
Company · Edinburgh
Qmatter
Company · London
Quantcore
Start-up · Glasgow
QuantGates
Company · London
Quantonova
Start-up · Haverhill
Quantopticon
Company · Guildford
QuantrolOx
Company · Oxford
Quantum Dice
Company · Oxford
Quantum Fabrix
Company · Kidlington
Quantum Motion
Company · London
Qubitra
Company · London
QuJiT
Start-up · Southampton
Rahko
Company · London
RedWave Labs
Company · Didcot
Riverlane
Company · Cambridge
SECQAI
Company · London
Singular Photonics
Company · Edinburgh
SpinOr
Start-up · Manchester
Spooqy
Company · London
TreQ
Start-up · Oxford
TundraSystems Global
Company · Cardiff
Universal Quantum
Company · Brighton
Wave Photonics
Company · Cambridge
Zaiku Group
Company · Prescot
Zero Point Motion
Company · Bristol
Projects (43)
Filter these projects- Active Programme · 2026 onwards
ProQure: Scaling UK Quantum Computing
ProQure
A government procurement programme to fund prototype quantum computers now and buy large-scale machines for national infrastructure in the 2030s.
Led by Innovate UK
Themes: Computing
- Active Programme · 2026 onwards
Quantum Advantage TurboCHarger
QATCH
A four-year programme on quantum software, algorithms and verification, led by the University of Edinburgh's Quantum Software Lab with the NQCC.
Led by Quantum Software Lab
Funding: £20m
Themes: Computing, Software and algorithms
- Active Programme · 2025 onwards
EPSRC Quantum Technology Career Acceleration Fellowships
EPSRC fellowships for 11 early-career quantum technology researchers at UK universities.
Led by Engineering and Physical Sciences Research Council
Themes: Skills and training, Computing, Sensing
- Active Testbed · 2024 onwards
ARTEMIS photonic testbed (Aegiq)
ARTEMIS
A photonic quantum computing testbed built for the National Quantum Computing Centre under its 2024 testbed programme.
Led by Aegiq
Themes: Computing
- 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 Programme · 2024 to 2028
EPSRC Centre for Doctoral Training in Quantum Information Science and Technologies
A doctoral training centre run by the universities of Sussex and Bristol to train PhD researchers in quantum technology.
Led by University of Sussex
Funding: £24m
Themes: Skills and training, 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 Hub · 2024 to 2029
Hub for Quantum Computing via Integrated and Interconnected Implementations
QCi3
The national research hub for quantum computing, led by the University of Oxford. It works on scalable and networked quantum computers.
Led by University of Oxford
Funding: £21.9m
Themes: Computing, Networks, Software and algorithms
- 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
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 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 Testbed · 2024 onwards
Towards an error-corrected neutral-atom quantum computer (QuEra)
A neutral-atom quantum computing testbed built for the National Quantum Computing Centre under its 2024 testbed programme.
Led by QuEra Computing (UK)
Themes: Computing
- 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 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 · 2021 onwards
Centre for Quantum Technology, University of Glasgow
A University of Glasgow centre that brings together the university's quantum research and development.
Led by University of Glasgow
Themes: Imaging, Sensing, Computing
- 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
- Active Facility · 2017 onwards
Quantum Technologies Innovation Centre
QTIC
A University of Bristol innovation centre with facilities and support for quantum and deep tech start-ups.
Led by University of Bristol
Funding: £35m
Themes: Computing, Communications, Sensing
- 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
- Active Programme · 2014 onwards
UK National Quantum Technologies Programme
NQTP
The UK's national programme for quantum technologies, set up in 2014 as a partnership between government, academia and industry.
Led by UK Research and Innovation
Themes: Computing, Sensing, Imaging, Timing and navigation, Communications, Networks, 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
ADOPT-TEM: Anomaly Detection OPTimisation with Tensor Error Mitigation
ADOPT-TEM
A proof of concept that applied Algorithmiq error mitigation to a Rigetti fraud detection method on NQCC hardware.
Led by Algorithmiq UK
Themes: Computing, Software and algorithms
- 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 · 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 · 2025 to 2026
QTA-Foil (Quantum and Tensor Approaches to aeroFoil design)
QTA-Foil
Aegiq and BAE Systems estimated the quantum resources needed to speed up aerodynamic and hydrodynamic design.
Led by Aegiq
Themes: Computing, Software and algorithms
- Completed Programme · 2025 to 2026
Quantum Missions pilot: Quantum Computing and Quantum Networks
Quantum Missions pilot
An Innovate UK competition that funded industry projects in quantum computing and quantum networks towards the UK quantum missions.
Led by Innovate UK
Themes: Computing, Networks
- Completed Consortium · 2025 to 2026
Quantum Physics Informed Neural Networks for Derivative Pricing
QPINN
OQC and Citi tested whether quantum-compressed neural networks can price financial derivatives.
Led by Oxford Quantum Circuits
Themes: Computing, Software and algorithms
- Completed Consortium · 2025 to 2026
Quantum-Accelerated Mixed-Integer Optimisation for Aircraft Loading
A 4colors-led proof of concept that tested hybrid classical and quantum algorithms for loading cargo on aircraft.
Led by 4colors Research
Themes: Computing, Software and algorithms
- Completed Consortium · 2025 to 2026
Quantum-Enhanced Clinical Decision Support for Intensive Care Medicine
Applied Quantum Computing built a prototype hybrid quantum-classical model to predict risks for intensive care patients.
Led by Applied Quantum Computing
Themes: Computing, Software and algorithms, Biomedical and health
- Completed Consortium · 2024 to 2025
From batteries to windfarms: Quantum optimisation solutions for the renewable sector
Frazer-Nash, ORCA Computing and The Crown Estate looked at whether quantum optimisation can help renewable energy planning.
Led by Frazer-Nash Consultancy
Themes: Computing, Software and algorithms
- 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 Programme · 2023 to 2025
SBRI: Quantum Catalyst Fund
Quantum Catalyst Fund
A £15 million SBRI competition, funded by DSIT and Innovate UK, to help the public sector adopt quantum solutions.
Led by Innovate UK
Funding: £15m
Themes: Computing, Sensing, Imaging, Timing and navigation
- Completed Consortium · 2022 to 2025
Autonomous Quantum Technologies
AutoQT
A Riverlane-led consortium developing automated methods to control and tune large numbers of qubits.
Led by Riverlane
Themes: Computing, Software and algorithms
- Completed Consortium · 2022 to 2025
Developing an error corrected quantum processor solution for commercial quantum computing
A Universal Quantum-led consortium building a trapped-ion quantum computer that can correct its own errors, with Rolls-Royce as end user.
Led by Universal Quantum
Funding: £7.5m
Themes: Computing
- Completed Consortium · 2022 to 2025
Quantum Enhanced Computing Platform for Pharmaceutical R&D
QuPharma
A SEEQC-led consortium linking a quantum computer with a classical supercomputer to model drug properties.
Led by SEEQC UK
Themes: Computing, Biomedical and health
- 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 · 2021 to 2025
Development of cryo-CMOS to enable the next generation of scalable quantum computers
A sureCore-led consortium designing chip technology that works at the very low temperatures inside quantum computers.
Led by sureCore
Funding: £6.5m
Themes: Computing, Materials and components
- Completed Consortium · 2020 to 2024
DISCOVERY: Developing UK Industrial Supply for Commercial Quantum Computing
DISCOVERY
An M Squared-led consortium that worked on the photonics needed to scale neutral-atom, trapped-ion and optical quantum computers.
Led by M Squared Lasers
Themes: Computing
- Completed Consortium · 2020 to 2023
NISQ.OS (Deltaflow.OS quantum operating system)
NISQ.OS
A Riverlane-led consortium that built Deltaflow.OS, an operating system meant to run the same software on different kinds of quantum hardware.
Led by Riverlane
Funding: £7.6m
Themes: Computing, Software and algorithms
- Completed Consortium · 2020 to 2023
Quantum Computing Platform for NISQ Era Commercial Applications
A Rigetti UK-led consortium that installed and ran a superconducting quantum computer in the UK and offered it over the cloud.
Led by Rigetti UK
Themes: Computing, Software and algorithms
- 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
- Completed Programme · 2018 to 2025
ISCF Commercialising Quantum Technologies Challenge
CQT Challenge
An Industrial Strategy Challenge Fund programme, delivered by Innovate UK, that funded companies to turn quantum research into products.
Led by Innovate UK
Funding: £174m
Themes: Computing, Sensing, Imaging, Communications, Timing and navigation
Organisations in these projects (105)
Leads, partners and funders of the projects above.
-
4colors Research
Company · Cambridge
-
Aegiq
Company · Sheffield
Airbus
Company · Filton
Algorithmiq UK
Company · London
Amazon Web Services
Company · London
-
Applied Quantum Computing
Company · London
Arm
Company · Cambridge
-
Arqit
Company · London
-
AstraZeneca
Company · Cambridge
AWE
National lab · Aldermaston
BAE Systems Quantum
Company · London
BP
Company · London
BT Group
Company · London
Capgemini UK
Company · London
Cardiff University
University · Cardiff
-
Cerca Magnetics
Company · Nottingham
Citi
Company · London
-
Delta g
Company · Birmingham
Department for Science, Innovation and Technology
Government · London
Diamond Microwave
Company · Leeds
Digital Catapult
Research organisation · London
Dstl
Research organisation · Porton Down
-
Duality Quantum Photonics
Company · Bristol
Durham University
University · Durham
-
Edwards Vacuum
Company · Burgess Hill
Element Six
Company · Didcot
Engineering and Physical Sciences Research Council
Funder · Swindon
Evelina London Children's Hospital
Government · London
Fraunhofer Centre for Applied Photonics
Research organisation · Glasgow
Frazer-Nash Consultancy
Company · Leatherhead
Gooch & Housego
Company · Ilminster
Government Communications Headquarters
Government · Cheltenham
GSK
Company · London
Hitachi Europe
Company · Stoke Poges
Imperial College London
University · London
Infleqtion UK (ColdQuanta UK Ltd)
Company · Oxford
Innovate UK
Funder · Swindon
IQE
Company · Cardiff
Johnson Matthey
Company · London
-
Kelvin Nanotechnology
Company · Glasgow
KETS Quantum Security
Company · Bristol
King's College London
University · London
Lumino Technologies
Start-up · London
-
M Squared Lasers
Company · Glasgow
Medicines Discovery Catapult
Research organisation · Alderley Park
Merck
Company · Darmstadt
Mind Foundry
Start-up · Oxford
Ministry of Defence
Government · London
MoniRail
Company · Birmingham
National Cyber Security Centre
Government · London
NCC Group
Company · Manchester
Newcastle University
University · Newcastle upon Tyne
NPL
Research organisation · Teddington
NQCC
Research organisation · Harwell
-
Nu Quantum
Company · Cambridge
-
ORCA Computing
Company · London
-
Oxford Instruments
Company · High Wycombe
Oxford Ionics
Company · Oxford
-
Oxford Quantum Circuits
Company · Reading
-
Phasecraft
Company · London
PQShield
Company · Oxford
Q-CTRL UK
Company · London
QinetiQ
Company · Farnborough
Qruise
Start-up · London
Quantinuum
Company · Cambridge
-
QuantrolOx
Company · Oxford
Quantum Business Incubation Centre
Ecosystem and network · Harwell
-
Quantum Motion
Company · London
Quantum Software Lab
Research organisation · Edinburgh
QuEra Computing (UK)
Company · Harwell
Qureca
Company · Glasgow
-
RedWave Labs
Company · Didcot
Rigetti UK
Company · London
-
Riverlane
Company · Cambridge
Rolls-Royce
Company · London
Royal Holloway, University of London
University · Egham
Science and Technology Facilities Council
National lab · Swindon
SEEQC UK
Company · London
SemiWise
Start-up · Glasgow
Sia Partners UK
Company · London
Standard Chartered
Enterprise adopter · London
sureCore
Company · Sheffield
Synopsys UK
Company · Reading
The Crown Estate
Government · London
TMD Technologies
Company · Hayes
Toshiba Europe
Company · Cambridge
-
TreQ
Start-up · Oxford
UK Research and Innovation
Funder · Swindon
-
Universal Quantum
Company · Brighton
University College London
University · London
University of Bath
University · Bath
University of Birmingham
University · Birmingham
University of Bristol
University · Bristol
University of Cambridge
University · Cambridge
University of Edinburgh
University · Edinburgh
University of Glasgow
University · Glasgow
University of Oxford
University · Oxford
University of Sheffield
University · Sheffield
University of Southampton
University · Southampton
University of Strathclyde
University · Glasgow
University of Surrey
University · Guildford
University of Sussex
University · Brighton
University of Warwick
University · Coventry
Vector Photonics
Start-up · Glasgow
West of England Combined Authority
Government · Bristol
Other organisations in this area (11)
Organisations whose listed specialisms match this theme but which are not yet linked to a project here.
- Amadeus Capital Partners Investor · Cambridge
- Cambridge Innovation Capital Investor · Cambridge
- Firgun Ventures Investor · London
- GP Bullhound Investor · London
- HSBC Investor · London
- IP Group Investor · London
- National Security Strategic Investment Fund Investor · London
- Optalysys Company · Leeds
- Parkwalk Advisors Investor · London
- Planet First Partners Investor · London
- QTEC Ecosystem and network · Bristol