Most active quantum investors in the UK right now (free list)
List of UK quantum angel investors and venture capital firms.
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
- Browse the full Quantum angel investor directory
- Explore the whole investor database with 7,589 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 194 quantum venture capital firms in the UK
VC Firms (name, picture, linkedin, investments)
| Quantum Venture Capital Firms | Investment Focus | Startup Investments | Round Size | Connect |
|---|---|---|---|---|
 Ada Ventures( ) This venture capital firm focuses on three key investment areas: Climate Equity,... London  | ||||
 Ahren Innovation Capital( ) Ahren is a venture capital firm specialising in deep technology and deep science... London | ||||
 AlbionVC( ) AlbionVC focuses on early-stage investments in the UK, specialising in software,... London | ||||
 Amadeus Capital Partners( ) Amadeus Capital Partners is a deep tech venture capital firm, investing since 19... London | ||||
 Ascension Ventures( ) Ascension is a leading UK venture capital firm focused on empowering tech innova... London | ||||
 Blackfinch Ventures( ) Blackfinch Group is a dynamic investment group focused on creating a positive im... Gloucester | ||||
| All VC firms | All investor sectors | All funded startups | All funding rounds |
Want to browse the full list of quantum VC firms?
👉 See all 194 quantum venture capital firms
Click here for a full list of 7,589+ startup investors in the UK
Top 6 quantum angel investors in the UK
Angel Investors (name, investment focus, portfolio, contact)
| Quantum Angel Investors | Location | Connect | Investment Focus | Startup Investments |
|---|---|---|---|---|
| London | ||||
 Angel investor with extensive experience in European High Yield Credit Sales and... | London | UitrialEphosHyWattsAllWeekGPUAudio | ||
 Angel investor with a focus on early-stage investments in sectors such as quantu... | London | |||
 Dr. Karim A. Bahou Angel investor with a strong background in innovation consulting, dedicated to s... | London | |||
 Dobromir Todorov Angel investor with extensive experience as an entrepreneur and IT architect, sp... | London | |||
 Nadia Aziz Angel investor with a strong focus on emerging technologies, including AI, GenAI... | London | |||
| All angel investors | All locations | All investor sectors | All funded startups |
*These angel investors have publicly mentioned their interest in angel investing or are members of angel networks. (Last updated: June 2026)
Looking for individual backers instead?
👉 Explore 6 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.
