Osney Capital
Osney Capital is the UK’s first dedicated seed-stage venture capital fund focused exclusively on cybersecurity. Founded in 2020 by Joshua Walter, Adam Cragg, and Paul Wilkes, the firm invests in early-stage founders developing innovative cybersecurity solutions in the UK. With a strategy centered on the early-stage cybersecurity ecosystem, Osney Capital aims to support approximately 30 portfolio companies, primarily in the pre-seed and seed stages. The firm provides early-stage capital ranging from £250,000 to £2,500,000, along with strategic guidance and connections within the industry. Osne
Investing activity
Osney Capital appears in 3 AI deals tracked by the AI Lounge deals desk, and led 1 of them. The rounds are mostly Pre-seed and Seed, with a median round size of $4M and the largest at $6M. The most recent are CodeWall (Pre-seed, $4M, Oct 2026), Ossprey (Pre-seed, $2.65M, Jul 2026) and Refute (Seed, €5M, Feb 2026).
Osney Capital most often invests alongside Episode 1, InReach Ventures, Antler Elevate (Antler) and Octopus Ventures, and the companies it backs on AI Lounge are mostly in AI.
Deals
Frequently asked questions about Osney Capital
What AI companies has Osney Capital invested in?
Osney Capital's AI investments include CodeWall, Ossprey and Refute. The 3 rounds on AI Lounge are listed on this page with amounts, dates and co-investors.
Where is Osney Capital based?
Osney Capital is based in London, England, United Kingdom.
What stage does Osney Capital invest at?
In the rounds tracked on AI Lounge, Osney Capital has invested at Pre-seed and Seed, with a median round of $4M. Osney Capital led 1 of those rounds.
Who does Osney Capital co-invest with?
Osney Capital's most frequent co-investors on AI Lounge are Episode 1 (2 deals), InReach Ventures (1 deal), Antler Elevate (Antler) (1 deal), Octopus Ventures (1 deal) and Amadeus Capital Partners (1 deal).
How can founders reach Osney Capital?
Founders on AI Lounge can see Osney Capital's contact details in AI Investor Contacts (paid plans), check for a warm introduction through members who worked with the firm under Warm Paths, and add Osney Capital to their Investor Pipeline to track the conversation.