Most Active Quantum Investors In The UK (Free List)
List of UK Quantum VCs and Angels.
Find your quantum investor with the full list of UK venture capital investors.
💡 This page highlights the most active UK investors in quantum — from angels with deep physics backgrounds to venture capital firms backing quantum computing, quantum sensors, and quantum-enabled technologies.
🧭 You'll find two preview tables below: one for Quantum venture capital firms and one for Quantum angel investors, each sortable by cheque size, stage, and focus.
⚡ Want to move faster?
- Jump straight to the full Quantum VC firms list
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- Explore the whole investor database with 7,526 UK investors
The UK's Quantum ecosystem includes a growing mix of innovators and technology platforms — many of which can be found on our Quantum startup watchlist.
Below you'll find a list of Quantum computing investors:
Top 197 quantum venture capital firms in the UK
VC Firms (name, picture, linkedin, investments)
| Quantum Venture Capital Firms | Investment Sector | Location | Funding Round | Contact Details |
|---|---|---|---|---|
 Empirical Ventures(1 contacts 🔒) Empirical is a specialist VC and venture builder based in Europe, focusing ... |  Bristol | |||
Cambridge | ||||
London | ||||
London | ||||
 Ahren Innovation Capital(2 contacts 🔒) Ahren is a venture capital firm specialising in deep technology and deep sc... | London | |||
 Seraphim Capital(5 contacts 🔒) Seraphim is a global leader in SpaceTech investment, focusing on early-stag... | Data analyticsMobilitySpaceTechnology | London |
Want to browse the full list of Quantum VC firms?
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Top 5 quantum angel investors in the UK
Angel Investors (name, investment focus, portfolio, contact)
Looking for individual backers instead?
👉 Explore 5 Quantum angel investors.
What is a Quantum Investor?
Quantum investors back startups developing technologies based on quantum mechanics to solve problems that are impractical or impossible for classical computers. These companies work across quantum computing, quantum communications, and quantum sensing, often targeting highly complex use cases in security, materials science, finance, healthcare, and national infrastructure.
Quantum is a long-term, research-intensive sector, typically involving deep academic roots, specialist talent, and close links with government and industrial partners.
Key Features of a Quantum Startup
Target Audience:
Enterprises and research organisations tackling highly complex computational problems
Governments and defence organisations focused on secure communications and sensing
Financial services, pharma, and materials companies seeking new modelling capabilities
Products and Services:
Quantum computing hardware and software platforms
Quantum algorithms and optimisation tools
Quantum-secure communication and encryption technologies
Quantum sensors for ultra-precise measurement and detection
Examples of Activities:
Building quantum processors using photonic, superconducting, or trapped-ion approaches
Developing quantum algorithms for optimisation, simulation, and cryptography
Creating quantum-safe encryption to protect data against future threats
Designing sensors capable of detecting minute changes in time, gravity, or magnetic fields
Examples of UK Quantum Startups
4
PsiQuantum
PsiQuantum is building a fault-tolerant quantum computer using a photonic approach, working closely with UK research institutions and industrial partners to scale quantum hardware.
Oxford Quantum Circuits
Oxford Quantum Circuits develops superconducting quantum computers designed for enterprise and research use, with a focus on reliability and real-world deployment.
Quantinuum
Quantinuum combines quantum hardware, software, and cybersecurity capabilities, delivering quantum computing platforms alongside quantum-safe encryption solutions.
ORCA Computing
ORCA Computing builds photonic quantum systems that integrate with existing data centre infrastructure, enabling earlier commercial access to quantum acceleration.
Arqit
Arqit focuses on quantum-safe encryption technologies designed to protect communications and data against future quantum-enabled attacks.
Recently funded UK quantum startups
Discover the most exciting quantum startups from the UK.
