Top 13 Quantum Startups UK (Free List)
Find the fastest growing quantum companies in the UK.
Top 13 Quantum Startups UK (Free List)
Find the fastest growing quantum companies in the UK.
1 Explore 13 UK quantum startups and their founders, who have collectively raised £888.47M.
2 Easily sort, filter, and compare the UK's top startups — customise the list to your needs.
3 Discover top startups for investment, B2B sales, partnerships, hiring, and industry connections.
You can connect with fast-growing quantum startups with the full list of recently funded startups from the UK.
Quantum computing and quantum technology represent one of the most exciting frontiers in UK innovation. With strong research foundations at Oxford, Cambridge, and London universities, the UK is positioning itself as a global leader in quantum startups, attracting significant investment from both public and private sources.
UK quantum startup insights
The UK has developed a world-leading quantum technology ecosystem, supported by the National Quantum Technologies Programme and strong research institutions in Oxford, Cambridge, London, Bristol and Edinburgh. This list highlights funded quantum startups across hardware, software, and applications.
Quantum in this context covers quantum computing hardware, quantum software and algorithms, quantum sensing, quantum cryptography, quantum communications and quantum-enabled applications. Many of these companies combine cutting-edge physics research with engineering and software to develop practical quantum solutions.
Snapshot of the UK quantum landscape
- Growing number of funded quantum startups ranging from early research spinouts to commercial platforms
- Round sizes typically span seed cheques through to large Series A and growth rounds, with significant government support
- Key hubs include Oxford, Cambridge, London, Bristol and Edinburgh, with strong university connections
- Investors include specialist quantum funds, deeptech VCs, government programmes and corporate R&D groups
- Common themes include quantum computing, quantum sensors, quantum cryptography, quantum algorithms and quantum networking
Use this page to explore the fastest growing quantum startups in the UK, then review individual profiles for websites, investors, locations and recent funding. For filters, exports and deeper analysis, you can upgrade to full database access.
That's for the fastest growing quantum startups. If you're looking for funding opportunities, check out our list of top quantum investors backing innovative startups.
What is Quantum Technology?
Quantum technology refers to technologies that exploit the principles of quantum mechanics—the physics of atoms and subatomic particles—to create new capabilities that are impossible with classical physics. Unlike traditional computing and sensing, quantum technologies leverage phenomena like superposition, entanglement, and quantum interference.
Quantum technology combines physics, engineering, computer science, and mathematics to develop practical applications. The field has wide-ranging potential across computing, communications, sensing, and cryptography.
5 most exciting Quantum sectors
Key areas of quantum technology include:
1 - Quantum Computing
Involves developing quantum computers that can solve certain problems exponentially faster than classical computers. Applications include drug discovery, financial modelling, optimisation problems, and machine learning acceleration.
2 - Quantum Sensing
Focuses on using quantum effects to create ultra-precise sensors for measuring magnetic fields, gravity, time, and other physical quantities. Applications include medical imaging, navigation, and geological surveying.
3 - Quantum Cryptography
Utilises quantum mechanics to create unbreakable encryption methods. Quantum key distribution (QKD) enables secure communication that is theoretically immune to hacking, even by quantum computers.
4 - Quantum Communications
Addresses secure communication networks using quantum entanglement and quantum key distribution. This includes quantum internet infrastructure and secure quantum networks.
5 - Quantum Software and Algorithms
Involves developing software, algorithms, and applications that can run on quantum computers or hybrid quantum-classical systems. This includes quantum machine learning, quantum optimisation, and quantum simulation tools.
Quantum technology has the potential to revolutionise computing, security, and sensing, offering solutions to problems that are currently intractable. The UK has a fantastic opportunity to maintain its position as a world leader in quantum startups and innovation.