Top 216 Cyber Security Venture Capital Firms In The UK (2025)

Find venture capital firms in your sector

6 min read

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.

Browse the Full List of UK Cyber Security VC firms

We've curated 216 venture capital firms backing cyber security startups accorss the UK. Sort by cheque size, stage, and sector focus to find the right investor fit.

Latest Cyber Security VC Activity

TMT ID lands £30m to fight fraud, verify identities with mobile signals18 November 2025

Read the deal •See TMT ID in cyber security startups

VC Firms: 216 /801

Cyber Security Venture Capital Firms	Investment Sector	Location	Funding Round
BackFuture Ventures(more info 🔒)	Data analyticsCyber securityAISaaS	London	Seed
Amadeus Capital Partners(11 contacts 🔒) Amadeus Capital Partners is a deep tech venture capital firm, investing sin...	Data analyticsAIGreentechFintech	London	Seed Growth
Index Ventures(8 contacts 🔒) Index Ventures invests in visionary founders across diverse industries, pri...	Data analyticsAIFintechCyber security	London	Pre-seed Seed Growth
20VC(2 contacts 🔒) 20VC is a venture capital firm focusing on various sectors, with specific i...	Data analyticsGreentechAILegaltech	London	Pre-seed Seed Growth
Osney Capital(more info 🔒) Osney Capital is a venture capital firm specialising in the early-stage Cyb...	Data analyticsCyber securityAISaaS	London	Pre-seed Seed
Smedvig Capital(8 contacts 🔒) Smedvig Capital, based in London, is part of the Smedvig Family Office, foc...	Data analyticsHealthtechCyber securityTech	London	Seed Growth
Lakestar(8 contacts 🔒) Auterion is a venture capital firm focused on open-source operating systems...	Data analyticsHealthtechLogisticsCyber security	London	Seed Growth
British Business Bank(7 contacts 🔒) The British Business Bank focuses on enhancing finance accessibility for sm...	Data analyticsWeb 3BiotechSaaS	Sheffield	Pre-seed Seed Growth
Connect Ventures(4 contacts 🔒) Connect Ventures is a venture capital firm focused on supporting exceptiona...	Data analyticsGreentechCyber securityFintech	London	Pre-seed Seed Growth
Oxx(6 contacts 🔒) Oxx is a venture capital firm that focuses on investing in B2B SaaS compani...	Data analyticsCyber securityB2BSaaS	London	Seed Growth
Pembroke VCT(3 contacts 🔒) Pembroke VCT is a c.£230m+ fund established in 2013, focusing on growth-sta...	Data analyticsEcommerceFintechMentalhealth	London	Pre-seed Seed Growth
Oxford Science Enterprises(1 contacts 🔒) The firm focuses on investing in Life Sciences, Health Tech, and Deep Tech,...	Data analyticsHealthtechCyber securityAI	Oxford	Pre-seed Seed Growth
Tiny VC(5 contacts 🔒) Tiny Supercomputer Investment Company focuses on ambitious technology start...	Data analyticsAIFintechHealthtech	London	Pre-seed Seed Growth
Superseed(3 contacts 🔒) SuperSeed is a venture capital firm focused on backing B2B technical founde...	Data analyticsAISaaSCyber security	London	Seed Growth
UKI2S(2 contacts 🔒) UKI2S is one of the largest pre-seed+ funds in the UK, with £110 million in...	Data analyticsCyber securityAIHealthtech	London	Pre-seed Seed Growth