Most active cyber security investors in the UK right now (free list)
List of UK cyber security angel investors and venture capital firms.
Find your cyber security investor with the full list of UK venture capital investors.
💡 From ex-CISOs to specialist funds, this page highlights investors backing UK cybersecurity startups — including angels and VC firms focused on threat detection, privacy, and cloud infrastructure.
🧭 You'll find two preview tables below: one for Cyber Security venture capital firms and one for Cyber Security angel investors, each sortable by cheque size, stage, and focus.
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- Jump straight to the full Cyber Security VC firms list
- Browse the full Cyber Security angel investor directory
- Explore the whole investor database with 7,589 UK investors
Here’s the problem: more than 85% of cyber attacks involve human error.
So cyber security is not only just about fixing problems or protecting technically a business from hacking. It’s also about providing risk analysis, and establishing where human mistakes or human psychology can be played with to generate a breach in highly elaborate systems.
Investments in this sector are paramount to protect the future of our tech world.
The UK’s cybersecurity ecosystem spans threat detection, infrastructure protection and enterprise tools. Explore the key players on our cybersecurity startup watchlist and stay connected through cybersecurity events nationwide.
Below is a list of the most active Cyber security investors in the UK:
Top 214 cyber security venture capital firms in the UK
VC Firms (name, picture, linkedin, investments)
| Cyber Security Venture Capital Firms | Investment Focus | Startup Investments | Round Size | Connect |
|---|---|---|---|---|
 | ||||
 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 | ||||
 BackFuture Ventures( ) London | ||||
 Balderton Capital( ) Balderton Capital is a venture capital firm focusing primarily on technology and... London | ||||
 | ||||
| All VC firms | All investor sectors | All funded startups | All funding rounds |
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Top 150 cyber security angel investors in the UK
Angel Investors (name, investment focus, portfolio, contact)
| Cyber Security Angel Investors | Location | Connect | Investment Focus | Startup Investments |
|---|---|---|---|---|
 Paul Forster is an investor known for his investments in Purple Dot Technologies... | Cambridge | |||
 Andy Toulis | London | |||
 Marvin Purtorab | London | |||
 Mark Pearson 🔥 is the Founder & Managing Partner of Fuel Ventures, an active ea... | London | |||
 Matt Clifford is the Prime Minister's Adviser on AI Opportunities and co-founder... | London | |||
| 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: July 2026)
Looking for individual backers instead?
👉 Explore 150 cyber security angel investors.
This is a complicated topic. It made be worth reading a quick definition before we move on:
What is cyber security?
Cyber security refers to the practice and techniques used to protect computers, networks, programs, and data from unauthorised access, attacks, damage, or theft. It encompasses a broad range of measures, tools, and processes designed to safeguard digital information and assets from cyber threats such as viruses, malware, ransomware, phishing attacks, and hacking.
Cyber security is crucial for individuals, companies, and governments alike, as it protects sensitive information, maintains privacy, and ensures the integrity and availability of data.
A prominent example of a UK-based cyber security startup is Sophos. Sophos offers a wide range of products and services designed to provide comprehensive protection against a variety of cyber threats.
Their solutions include endpoint protection, network security, cloud security, and encryption, catering to businesses of all sizes. Sophos is known for its innovative technologies, such as artificial intelligence-driven protection mechanisms, and its ability to offer unified solutions that simplify complex security environments.
Understanding Cyber-Security Investors
For Cyber-Security funding, differentiate clearly between angel investors and venture capitalists (VCs). Cybersecurity angels usually possess direct industry experience, investing personal wealth in startups at early stages. Cybersecurity VCs are structured firms backing companies that demonstrate market-ready solutions.
Recently funded UK cyber security startups
Discover the most exciting cyber security startups from the UK.
