Most Active SaaS Investors in London 2026

15 firms writing SaaS checks in London, led by Google Ventures, Khosla Ventures, Spark Capital — ranked by verified deal count with the companies behind each.

SaaS in London accounts for 12 tracked companies with verified cap-table data, 12 of which disclose round sizes totalling $2.2B. The median disclosed raise is $75M, and the largest is Hopin at $1.1B, ahead of Oyster ($291M) and Threecolts ($200M).

The names that recur most often on these saas cap tables are Balderton Capital (2 companies), Insight Partners (2 companies), Andreessen Horowitz (1 company), General Catalyst (1 company), IVP (1 company), Crossbeam Venture Partners (1 company). By latest disclosed round, the market skews Series B (5), Series C (4), Series A (1).

Best funded SaaS in London companies

  1. Hopin — $1.1B (latest: Series C)
  2. Oyster — $291M (latest: Series C)
  3. Threecolts — $200M (latest: Series A)
  4. Cleo — $138M (latest: Series C)
  5. Attio — $116M (latest: Series B)
  6. Omnea — $75M (latest: Series B)
  7. Vidyard — $70M
  8. Datamaran — $54M (latest: Series C)
  9. Vertice — $50M (latest: Series B)
  10. Ben — $49M (latest: Series B)
  11. Humi — $46M
  12. Fyxer AI — $30M (latest: Series B)

Sector × city funding reports (20)

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•By Alejandro Cremades