Silicon Roundabout Ventures is a community-driven venture capital firm based in London, backing European deep tech founders at pre-seed and seed stages. Founded by Francesco Perticarari in 2023, the firm leverages a community of over 15,000 founders and engineers to invest in critical sectors including computing, defence, energy, climate, and health.
Deal activity increased 100% year-over-year (2 deals in the last 12 months). Their most common stage is seed (67% of deals).
Portfolio
6
Fund Size
$6.3M
Top Stage
Seed
Last 12 Mo
2
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
6 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| CCellbricks Therapeutics | Seed | $7.6M | Mar 2026 |
 Cellbricks | Seed | — | Mar 2026 |
| OOrigin Robotics | Pre-Seed | — | Oct 2024 |
 Archangel Lightworks | Seed | — | Feb 2023 |
 Kaizan | Unknown | $1.2M | Jan 2022 |
 VyperCore | Seed | — | — |
Top Co-Investors
SPRIND2 shared
Oxford Science Enterprises1 shared
CTW Venture Partners1 shared
Founders Factory1 shared
VU Venture Partners1 shared
Octopus Ventures1 shared
Last updated: 7 October 2026