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Osney Capital

Venture capitalUnited Kingdomosneycapital.comVerified 10 Nov 2026

Osney Capital is a sector specialist venture capital firm focused on backing early-stage cyber security companies in the United Kingdom. They invest in early-stage rounds where the total round size is under £5 million.

StagesPre-seed · Seed
Invests inGB
Deals recorded16

What they invest in

  • We invest exclusively in the UK cyber security ecosystem. source
  • We specialise at early-stage, and help companies scale. source
  • We first invest where the round size is less than £5m, partnering with founders from the very beginning. source

All investments and operations

16 operations
CompanyRoundAmountDateCo-investorsSource
Aisy
Contextual vulnerability management
––––Portfolio page
Aviel Technologies
APP fraud intelligence
––––Portfolio page
CodeWall
Autonomous penetration testing
––––Portfolio page
ESProfiler
Security stack intelligence
––––Portfolio page
Huntbase
Threat hunting
––––Portfolio page
Mindgard
AI security
––––Portfolio page
OnSecurity
CREST pentesting
––––Portfolio page
Ossprey
Software supply chain security
––––Portfolio page
Overmind Technology Limited
LLM and SLM tooling
––––Portfolio page
Ploy
Agentic identity
––––Portfolio page
Show all 16 operations
Refute
Disinformation analytics
––––Portfolio page
Reveng
Binary analysis
––––Portfolio page
SCI Semiconductor
Memory-safe microcontrollers
––––Portfolio page
Seedata
Deception technology
––––Portfolio page
Sitehop
Post quantum readiness
––––Portfolio page
Strand Intelligence
Automated DFIR
––––Portfolio page

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