Silicon Roundabout Ventures — Pre-Seed & Seed VC Firm ($500K–$5.0M Checks)
Silicon Roundabout Ventures is a Pre-Seed, Seed venture capital firm based in London, United Kingdom investing in Deep Tech, AI / ML, Other. The firm typically writes $500K–$5.0M checks and has 18 portfolio companies in our records.
- Check size
- $500K–$5.0M
- Portfolio
- 18 companies on record
- Partners
- 1 listed
- Stage
- Pre-Seed, Seed
- Sectors
- Deep Tech, AI / ML, Other, Climate / Energy, Food / AgTech, Consumer, Security, Healthcare, EdTech
- HQ
- London, United Kingdom
- AUM
- Not in our records
Last verified: 2026-10-06
Pre-Seed, Seed
$500K – $5.0M
18+ companies
1 partner
Investment Thesis
Europe-first emerging manager backing deeptech and software founders, with a solo-GP style and a London base. Focuses on very early-stage companies across the UK and select international markets.
How Silicon Roundabout Ventures invests
Silicon Roundabout Ventures is a vc firm based in London, United Kingdom. The firm invests at the Pre-Seed, Seed stages, with a focus on Deep Tech, AI / ML, Other, Climate / Energy, Food / AgTech.
Silicon Roundabout Ventures typically writes checks of $500K–$5.0M per investment.
Silicon Roundabout Ventures has backed 18 companies in our records, including Greenjets, Ephos, Infiniti Recycling.
Partners & Team
Francesco Perticarari
GP
Industry Focus
Invests In
Portfolio Companies (18)
Other
Greenjets
Electric propulsion for aerospace.
Ephos
Glass-based quantum photonic chips.
Infiniti Recycling
Recycling technology company.
Anaphite
Graphene-enhanced battery technology for electric vehicles.
Sparkmate
Develops electrolysing-enabled steel manufacturing technology.
Kaikaku
Robotics and AI for kitchen and restaurant operations.
Swisspod Technologies
Hyperloop and maglev transportation systems.
SCI Semi
Memory-safe computing for hardware-level cybersecurity.
Hippos Exoskeleton
AI-driven orthopedic sleeves and braces for injury prevention and rehab.
Archangel Lightworks
Solar sail and photonic propulsion / deorbiting technologies.
- •Raising at Pre-Seed, Seed? You're squarely in their sweet spot.
- •Lead with your fit in Deep Tech, AI / ML, Other — the sectors they actively back.
- •Size your ask to their typical $500K – $5.0M check.
- •warm intro preferred
- •Address your outreach to a specific partner, such as Francesco Perticarari, GP.
- •A warm introduction beats a cold email. Get matched and request an intro.
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