UK investor directory

4UK pre-seed & seed investors.

Every profile carries the verified record of what that investor has actually funded, and a live read on who's deploying right now. Founders: find the ones backing companies at your stage and sign up to request an intro. Investors: claim your profile to receive matched founders.

Active in last 90 days(0)Verified only(4)Lead-capable(3)UK-active(4)Sort:A–ZMost recent activityVerified first4 results · 0 claimed · 4 unclaimed
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AmadeusVerified· Seed VC

Thesis keywords: AI; Climate; DeepTech; Space; Quantum

Pre-seed · Seedai-mlclimate-energy£1.0M–£5.0M
Backed 6Last cheque 2.4y agoQuiet · no tracked round in 12m
Recently backed: Post-Quantum Cryptography · Human Press Release Charco · Amadeu
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Asymmetry VenturesVerified· Seed VClead

Stealthy investor across frontier sectors (space, biotech, AI) making sub-$500K average checks into technically complex startups with exceptional defensibility and operational guidance from GP Rob Ness’s 2% Rule.

Pre-seed · Seedai-mlbiotech£395K–£400K
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CaffeinatedVerified· Seed VClead

Relationship-driven firm that backs founders seed-to-growth, makes contrarian bets in capital‑intensive frontier areas (orbital manufacturing, nuclear space, defense), and brings partners' FinTech and applied‑AI/data‑science experience from companies like Affirm.

Pre-seed · Seedai-mlb2b-saasfintech£2.4M–£4.0M
Recently backed: Antare · Boom Supersonic · Playground
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Refactor CapitalVerified· Seed VClead

Leads seed rounds with $1–2M checks (targeting ~10%); solo GP offering founders direct access to Zal, leveraging Google/Netflix/LinkedIn operator experience to scale broad hard-tech startups (Solugen, Astranis).

Seeddeeptechaerospaceenergy£800K–£1.6M
Backed 11 round/12moLast cheque 4mo ago
Recently backed: The Biological Computing · Causal Lab
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