SI

Silicon Roundabout Ventures — Pre-Seed & Seed VC Firm ($500K–$5.0M Checks)

VC
London, United KingdomWebsite

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

How to approach: warm intro preferred
Stage

Pre-Seed, Seed

Check Size

$500K – $5.0M

Portfolio

18+ companies

Team

1 partner

Investor activity
Investments in last 12 months: 0

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

FP

Francesco Perticarari

GP

AI
Deeptech
Europe-first

Industry Focus

Invests In

Deep Tech
AI / ML
Other
Climate / Energy
Food / AgTech
Consumer
Security
Healthcare
EdTech

Portfolio Companies (18)

Other

GR

Greenjets

Aerospace / propulsion·Seed·Fund I

Electric propulsion for aerospace.

EP

Ephos

Quantum / photonics·Seed·Fund I

Glass-based quantum photonic chips.

IN

Infiniti Recycling

Climate / recycling·Pre-seed

Recycling technology company.

AN

Anaphite

Clean energy / batteries·Series A·Fund I

Graphene-enhanced battery technology for electric vehicles.

SP

Sparkmate

Industrial decarbonization / steel·Pre-seed·Fund I

Develops electrolysing-enabled steel manufacturing technology.

KA

Kaikaku

Robotics / food tech·Seed·Fund I

Robotics and AI for kitchen and restaurant operations.

SW

Swisspod Technologies

Transportation / mobility·Large Seed·Fund I

Hyperloop and maglev transportation systems.

SC

SCI Semi

Cybersecurity / semiconductors·Pre-seed·Fund I

Memory-safe computing for hardware-level cybersecurity.

HI

Hippos Exoskeleton

Healthtech / medtech·Angel·Fund I

AI-driven orthopedic sleeves and braces for injury prevention and rehab.

AR

Archangel Lightworks

Space / aerospace·Seed·Fund I

Solar sail and photonic propulsion / deorbiting technologies.

How to pitch Silicon Roundabout Ventures
  • •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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