217 Cyber Security venture capital firms in the UK (2026)
We've curated 217 venture capital firms backing cyber security startups across the UK. Sort by cheque size, stage, and sector focus to find the right investor fit.
Updated daily by John-Pierre ClarkLatest Cyber Security VC Activity
Cyber security startup Ossprey raises £2m led by Episode 1 Ventures and Osney Capital
22 July 2026
Updated daily by John-Pierre Clark| Cyber Security Venture Capital Firms | Investment Focus | Startup Investments | Round Size | Connect |
|---|---|---|---|---|
 Amadeus Capital Partners( ) Amadeus Capital Partners is a deep tech venture capital firm, investing since 19... London  | ||||
 Lakestar( ) Auterion is a venture capital firm focused on open-source operating systems for ... London | ||||
 Fuel Ventures( ) Fuel Ventures is a venture capital firm that focuses on backing ambitious tech c... London | ||||
 Founders Capital( ) Founders Capital is a European investment community targeting diverse sectors an... London | ||||
 Smedvig Capital( ) Smedvig Capital, based in London, is part of the Smedvig Family Office, focusing... London | ||||
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 Found Capital( ) The venture capital firm focuses on supporting early-stage companies with potent... London | ||||
 Triple Point Ventures( ) This venture capital firm specialises in high-conviction seed capital, focusing ... London | ||||
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 Dawn Capital( ) Dawn Capital focuses on investing in European B2B software companies. They targe... London | ||||
 Rule30( ) London | ||||
 Maven Capital Partners( ) Maven is a leading UK private equity firm specialising in buyouts, growth capita... London | ||||
 Mercia Ventures’ North East Venture Fund( ) Mercia focuses on investing in innovative SMEs across various sectors including ... Henley-in-Arden | ||||
 AlbionVC( ) AlbionVC focuses on early-stage investments in the UK, specialising in software,... London | ||||
 Index Ventures( ) Index Ventures invests in visionary founders across diverse industries, prioriti... London | ||||
| All VC firms | All investor sectors | All funded startups | All funding rounds |
Explore venture capital firms backing UK cybersecurity startups — from seed funds focused on digital infrastructure to growth-stage investors targeting threat detection, identity, and secure enterprise tooling.
Includes specialist firms and generalist VCs with strong cyber portfolios.
🛡️ Use this directory to:
- Find VCs investing in cyber, privacy, and digital risk
- Explore focus areas like DevSecOps, SOC automation, and cloud security
- Understand cheque sizes, stages, and co-investor patterns
- Review cyber-specific portfolio companies
👉 Looking for VCs in other sectors? Check out the full venture capital firm database, or explore the cyber security landscape with our curated lists of cyber security startups, cyber security events, and angel investors backing cyber security startups — or view the full cyber security investor hub.
