We've curated 220 venture capital firms backing cyber security startups across the UK. Sort by cheque size, stage, and sector focus to find the right investor fit.
Latest Cyber Security VC Activity
SCI Semiconductor raises £5m led by PXN Ventures and Mercia Ventures
9 September 2026
| Cyber Security Venture Capital Firms | Investment Focus | Startup Investments | Round Size | Connect |
|---|---|---|---|---|
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![]() Gresham House Ventures( ) Gresham House Ventures focuses on scaling high-growth businesses across healthca... London | ||||
![]() Oxford Science Enterprises( ) The firm focuses on investing in Life Sciences, Health Tech, and Deep Tech, prim... Oxford | ||||
![]() MD One Ventures( ) MD One Ventures, established in 2021, is Europe's first venture capital firm foc... London | ||||
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![]() General Catalyst( ) GC is an investment and transformation company that partners with entrepreneurs ... London | ||||
![]() RTP Global( ) RTP Global invests in ambitious founders reshaping the world through technology,... London | ||||
![]() Scottish Enterprise( ) The firm focuses on supporting early-stage and growing companies in Scotland, of... Glasgow | ||||
![]() XTX Ventures( ) XTX Ventures focuses on investing in exceptional founders from Seed to Series B ... London | ||||
![]() LocalGlobe( ) LocalGlobe is a venture capital firm that partners with founders from pre-seed a... London | ||||
![]() Pembroke VCT( ) Pembroke VCT is a c.£230m+ fund established in 2013, focusing on growth-stage in... London | ||||
![]() Triple Point Ventures( ) This venture capital firm specialises in high-conviction seed capital, focusing ... London | ||||
![]() Notion Capital( ) Notion Capital is an early-stage venture capital firm that specialises in softwa... London | ||||
![]() Mercia( ) Mercia is a venture capital firm focused on fuelling UK business ambitions throu... Manchester | ||||
| 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.
👉 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.