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Growth Capital for Defence and Security

Thorium Capital motif - a starburst symbol representing energy, with a nod to the Union Jack.

Providers of Growth Capital for UK and European Defence and Security

Thorium Capital provides growth capital and strategic partnerships to mid-market defence and national security companies across the UK and Europe.

We operate at the intersection of structural geopolitical change and capital market opportunity. As NATO and European nations increase their long-term political and financial commitment to their Defence and National Security, deterrence and resilience are increasingly driven by mid-market companies requiring scale-up capital beyond early-stage venture funding. We combine this offer with a platform based on open partnership, deep expertise, and targeted advice gained through decades of experience in investment finance, military operations, and public sector acquisition.

Areas of Expertise


Growth Capital for European defence and national security

With the shifting geopolitical context, and a renewed focus on European strategic autonomy, Thorium Capital provides focused growth capital to the most exciting European companies in the defence, national security and resilience sector; we target value creation by working alongside leadership teams to identify new markets and optimise solutions to the most pressing security problems faced by democracies and allies worldwide.

Strategic partnership, advice, and post acquisition expertise

Combining deep personal expertise with a network of advisers and procurement professionals across Europe, as well as access to capital, the Thorium Capital team forges strong strategic partnerships with founders to overcome the contractual, commercial and operational barriers that prevent defence and security small and mid-sized enterprises from scaling effectively.


Our partners

James Parkin and Andy Olding combine senior military leadership with institutional investment expertise. James brings nearly three decades in the UK Armed Forces, leading capability development and technology adoption into front line service, while Andy contributes over 25 years in global asset management at leading investment firms.

Together with a team of financial and legal specialists, and strategic advisers, they unite operational defence and security insight with disciplined fund management to lead Thorium’s growth strategy for the most exciting companies in the European market.

Black-and-white professional headshot of Andy Olding and James Parkin, founding partners of Thorium Capital.