Osney Capital is a UK-based venture capital firm specializing exclusively in early-stage investments within the cybersecurity sector. Established in 2020, the firm is dedicated to supporting UK cyber founders and companies during the early stages of their growth. Osney Capital operates with a sector-specialist approach, providing not only capital but also strategic guidance to its portfolio companies.
Osney Capital targets pre-seed and seed-stage investments in UK-based cybersecurity startups. The firm focuses on areas such as artificial intelligence, cloud security, regulatory compliance, and incident response. Typical initial investments range from £250,000 to £2.5 million, with the possibility of follow-on investments in Series A rounds.
In April 2025, Osney Capital launched its first fund, which was oversubscribed against its £50 million target. The fund aims to invest in approximately 30 UK cybersecurity startups. Notable backers include the British Business Bank, which committed up to £36 million through its Enterprise Capital Funds program, as well as IronGate Capital Advisors and East X Ventures.
Leadership
The firm is led by co-founders Adam Cragg, Josh Walter, and Paul Wilkes, who bring decades of experience in cybersecurity and venture capital.
Investment Strategy
Osney Capital employs a hands-on approach, working closely with portfolio companies to navigate the complexities of the cybersecurity landscape. The firm seeks strong alignment with its investment themes and a cultural fit that ensures productive, long-term partnerships.
Notable Investments
Osney Capital has invested in several early-stage UK cybersecurity companies, including MindGard, a Lancaster University spin-out specializing in AI security testing; Sitehop, a Sheffield-based hardware-enforced network security specialist; and RevEng.AI, a London-based AI-powered binary analysis platform for reverse engineering and malware analysis.
