MD One Ventures is Europe's first Defence and National Security venture capital firm, investing in early-stage applied DeepTech companies across the UK, Europe, and Israel. The firm focuses on sectors including cyber, AI, robotics, space, and life sciences that deliver a technical advantage to national security.
Deal activity decreased year-over-year (1 deal in the last 12 months vs 2 prior). Their most common stage is seed (79% of deals). Average disclosed round size is $9.8M (across 10 rounds with reported amounts).
Portfolio
13
Fund Size
—
Top Stage
Seed
Last 12 Mo
1
Team
Edward Ebbern
Co-Founder and Partner, Miltech and National Security tech investor.
Kelvin Au
Founding Partner, Tech VC Investor, Operator and startup Founder
Will McManners
Founder and Managing Partner, Tech VC Investor, and startup Founder.
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
Portfolio
| Company | Round | Amount | Date |
|---|---|---|---|
 Milvus Advanced | Seed | $6.9M | Oct 2025 |
 Valarian | Seed | $7M | May 2025 |
 Bifrost AI | Series A | $8M | Oct 2024 |
 Greenjets | Series A | $40M | Jan 2024 |
 Labrys | Seed | $5.5M | Dec 2023 |
 Cydome | Series A | $8M | Sep 2023 |
 MatNex | Seed | $2.5M | Jul 2023 |
 Materials Nexus | Seed | — | Jan 2023 |
| WWorldr | Seed | — | Nov 2022 |
 Pimloc | Seed | $7.5M | — |
| HHefring | Seed | — | — |
 Hefring Marine | Seed | — | — |
| Labrys | Seed | $5.5M | — |
 Milvus Advanced | Seed | $6.9M | — |
Top Co-Investors
Last updated: 7 October 2026