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MD One Ventures operates as a venture capital firm, specializing in investments that support European national security innovation. The firm strategically backs early-stage technology companies across sectors such as defense, cyber, artificial intelligence, robotics, and space, aiming to advance capabilities crucial for the UK and its allies.
The firm launched in 2022, founded by Will McManners, whose extensive background spans venture capital, technology, and defense. McManners’ insight stemmed from identifying a critical need to actively nurture and fund technological advancements tailored to bolster national security infrastructure and strategic independence.
MD One Ventures targets companies developing solutions integral to securing allied interests and enhancing defense posture. Its overarching mission is to foster a vibrant ecosystem of innovation, empowering entrepreneurs to deliver impactful technologies that contribute to long-term national security resilience and strategic advantage for partner nations.
MD One Ventures has 7 tracked investments across 5 companies. The latest tracked deal is $7.0M Seed in Milvus Advanced in October 2025.