GALLOS Technologies raises $50m to build and back defence-tech startups

What’s the deal? GALLOS Technologies, a UK company builder and investor focused on security, defence and resilience technology, has raised $50m in an investment round that remains open. The round was led by Ventura CapitalDealroom has a profile for this one. Try Dealroom → and Aberdeen InvestmentsDealroom has a profile for this one. Try Dealroom →, with existing investor Lansdowne PartnersDealroom has a profile for this one. Try Dealroom → also participating.

Company context: Founded in 2021, GALLOS was co-founded by former national-security official Josh BurchDealroom has a profile for this one. Try Dealroom → and armed-forces veteran Dean JonesDealroom has a profile for this one. Try Dealroom →. The company combines venture investment with hands-on company building, backing and developing early-stage businesses in defence, security and resilience. It said the new capital will fund its next cohort of company investments and further investment in its platform.

One of GALLOS’s portfolio companies is StirlingX, a drone and data-intelligence startup led by Jones as CEO. Another is AI Score, a data-prevention startup. Sir Jeremy Fleming, former director of the UK’s security and cyber agency GCHQ, serves as chair of GALLOS’s strategic advisory board and is also connected with the portfolio companies. His profile could not be confidently resolved in Dealroom, so I have left that mention unlinked rather than risk attaching it to the wrong person.

Why it matters: GALLOS is raising capital for a dual model: investing in security technology while co-building companies in a sector shaped by heightened geopolitical tensions and increased government spending on battlefield and resilience technologies. The open round gives the company capital to expand its investment activity and platform as demand for defence and security innovation grows.

Read more: Tech.eu (17 August 2026)