Most Backed London, UK Startups 2026

9 London, UK startups ranked by number of verified backers, led by Paid, Attio, aviva. Each links to its full syndicate breakdown.

London, UK accounts for 120 tracked companies with verified cap-table data, 120 of which disclose round sizes totalling $105B. The median disclosed raise is $550M, and the largest is CCO at $6.8B, ahead of Nexfibre ($5.6B) and CityFibre ($3.1B).

The names that recur most often on these london, uk cap tables are Index Ventures (8 companies), Accel (5 companies), Andreessen Horowitz (5 companies), Balderton Capital (5 companies), GV (4 companies), DST Global (4 companies). By latest disclosed round, the market skews Growth (29), Series C (12), Series D (11), Series A (10).

Best funded London, UK companies

  1. CCO — $6.8B (latest: Series D)
  2. Nexfibre — $5.6B
  3. CityFibre — $3.1B (latest: Growth)
  4. Energean Oil & Gas — $3B (latest: IPO)
  5. Soho House — $2.7B (latest: Growth)
  6. OneWeb — $2.7B
  7. Octopus Energy — $2.3B
  8. euNetworks Group — $2.3B (latest: Growth)
  9. Isomorphic Labs — $2.1B (latest: Series B)
  10. Revolut — $1.7B (latest: Growth)
  11. Farfetch — $1.7B (latest: IPO)
  12. Myovant Sciences — $1.7B (latest: Conventional Debt)
  13. Checkout.com — $1.7B (latest: Series A)
  14. Inspired Education — $1.6B
  15. Bruntwood SciTech — $1.6B

More London UK research (1)

Research on comparable markets (18)

Sector × city funding reports (20)

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