Osney Capital is a UK-based venture capital fund specialising in early-stage cyber security startups. We support innovative UK cyber founders.
Investment Type: Venture Capital
Investment Stage: Pre-Seed; Seed; Series A
Portfolio 1
| Date | Name | Website | Total Raised | Location |
| 11.02.2026 | Overmind | overmindlab.ai | $2.69M | United Kin... |
Mentions in press and media 9
| Date | Title | Description |
| 17.02.2026 | Overmind Secures €2.3M to Fortify Autonomous AI Security | Overmind, a London-based AI security startup, secured €2.3 million in seed funding. It builds a vital supervision layer for autonomous AI agents. The platform monitors real-time agent behavior, preventing deviations and enhancing performanc... |
| 11.02.2026 | Former MI5 officer lands €2.3 million for AI agent security startup Overmind | London-based Overmind, a startup building the supervision layer for AI agents, today announced a €2.3 million (£2 million) Seed round to grow their technical teams, accelerate product development and scale go-to-market operations within leg... |
| 11.02.2026 | Overmind launches with £2M in seed funding to support development of agentic AI | London-based Overmind, which is developing a supervision layer for AI agents, has closed a £2 million seed funding round. The round was led by specialist cybersecurity investor Osney Capital, with participation from 14Peaks, Portfolio Ventu... |
| 03.02.2026 | Refute raises £5M seed round to address disinformation threats | London-based Refute, an AI-powered counter-disinformation company, has raised £5 million in seed funding in a round led by Amadeus Capital Partners, with participation from Playfair, Episode 1, Osney Capital, and the National Security Strat... |
| 15.10.2025 | Ploy raises $3.33M to tackle rising identity-based cyberthreats with automation Send us a News Tip EXTRACT THE SIGNAL FROM THE NOISE Cookies | U.K. cybersecurity startup Join Ploy Ltd. revealed today that it has raised £2.5 million ($3.33 million) to accelerate product development and expand its go-to-market efforts globally. Founded in 2023 by Chief Technology Officer Harry Lucas... |
| 11.04.2025 | Europe’s biggest seed rounds of Q1 2025, Enpal bags €110M boost, and Scania acquires bankrupt Northvolt Systems' Industrial Division | This week we tracked more than 65 tech funding deals worth over €913 million, and over 5 exits, M&A transactions, rumours, and related news stories across Europe. We also released our Quarterly report this week, which covers key investm... |
| 08.04.2025 | UK Venture Capital Firm Osney Capital Launches New Cyber Fund | Listen to this article 0:00 / 3:59 1X BeyondWords UK venture capital firm Osney Capital announces the first close of its debut fund to invest in the UK’s most promising cyber security startups, marking it the UK’s “first specialist” cyber s... |
| 07.04.2025 | Osney Capital launches UK's first cybersecurity Seed Fund | UK venture capital firm Osney Capital today announced the first close of its debut fund to invest in the UK’s most promising cyber security startups. This fund is the UK’s first specialist cyber security seed fund, and it is oversubscribed ... |
| 07.04.2025 | Osney Capital unveils first UK cybersecurity Seed Fund, surpassing €58 million target | Cheltenham-based VC Firm Osney Capital today announced the first close of its debut Fund to invest in the British cybersecurity startups, marking it the UK’s first specialist cybersecurity Seed Fund – the Fund is oversubscribed from its ori... |