Silicon Roundabout Ventures
Overview
Silicon Roundabout Ventures is a community-driven venture capital firm based in London, UK. It specializes in writing the first cheques for pre-seed and seed stage Deep Tech startups across Europe. The firm leverages its community of over 15,000 founders and engineers to support its portfolio companies. Its investment focus is on foundational infrastructure technologies with strong intellectual property in sectors including Computing, Defence, and Energy.
Portfolio Companies
18
Website
siliconroundabout.venturesInvestments
| Company | Date | Stage | Lead |
|---|---|---|---|
| Astral Systems | Feb 2025 | Seed | Co-investor |
| Anaphite | Aug 2022 | Seed | Co-investor |
| Ori | Jan 2021 | Convertible Debt | Co-investor |
| EcoSync | Oct 2021 | Seed | Co-investor |
| Hop Aero | Apr 2026 | Pre Seed | Co-investor |
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Key People
Maxime Paradis
Investor - Limited Partner
Arnold du Toit
Limited Partner
Sector & Stage Mix
Industry, funding stage, and valuation band breakdowns.
FAQ
Where is Silicon Roundabout Ventures based?
Silicon Roundabout Ventures is headquartered in London, England, United Kingdom.
When was Silicon Roundabout Ventures founded?
Founding year information for Silicon Roundabout Ventures is not publicly available.
How many portfolio companies does Silicon Roundabout Ventures have?
Silicon Roundabout Ventures has 18 portfolio companies in Caplight's dataset.
What are some companies in Silicon Roundabout Ventures's portfolio?
Portfolio companies visible on Caplight include Astral Systems, Anaphite, Ori, EcoSync, Hop Aero.
What was Silicon Roundabout Ventures's most recent investment shown here?
Silicon Roundabout Ventures's most recent investment in this portfolio sample was in Hop Aero in 2026.
What sectors does Silicon Roundabout Ventures focus on?
Silicon Roundabout Ventures focuses on Frontier & Industrial Tech, FinTech, Healthcare & Life Sciences, Mobility, Transportation & Logistics, Frontier & Industrial Tech, AI, Data & Cloud Infrastructure, Frontier & Industrial Tech, Enterprise Software, Frontier & Industrial Tech, AI, Data & Cloud Infrastructure, AI, Data & Cloud Infrastructure, Energy & Sustainability, Enterprise Software, Telecommunications & Networking, Frontier & Industrial Tech, Energy & Sustainability, Frontier & Industrial Tech, Energy & Sustainability, Healthcare & Life Sciences, AI, Data & Cloud Infrastructure, Frontier & Industrial Tech, Frontier & Industrial Tech, Frontier & Industrial Tech, Frontier & Industrial Tech, Energy & Sustainability, Energy & Sustainability, Mobility, Transportation & Logistics, Real Estate & PropTech, AI, Data & Cloud Infrastructure, AI, Data & Cloud Infrastructure, Telecommunications & Networking, AI, Data & Cloud Infrastructure, Frontier & Industrial Tech, Frontier & Industrial Tech, Enterprise Software.
What company stages does Silicon Roundabout Ventures focus on?
Silicon Roundabout Ventures typically invests at the Early stage.