Investor Lists

Cleantech investors based in London

Updated 7 November 2026

Firms with an address in London that we have watched back a cleantech company in the last two years.

See all 64 →The top 25
64investors on the listNo change this week
1,124cheques in 12 months-8% against the market
$7.5Mmedian round they joined-6% against the market median
95%wrote a cheque in 12 months
72%have led a round

The Top 25

Ordered by cheques observed, never by anything anyone paid for

Deploying now (25)

  1. 1Index VenturesDeploying nowVC firm · United Kingdom1,027$31Mmedian roundNov 2026last seen
  2. 2AntlerDeploying nowVC firm · United Kingdom729$1Mmedian roundNov 2026last seen
  3. 3CrowdcubeDeploying nowVC firm · United Kingdom715$615Kmedian roundSept 2026last seen
  4. 4SeedcampDeploying nowVC firm · United Kingdom519$5Mmedian roundNov 2026last seen
  5. 5GSRDeploying nowVC firm · United Kingdom453$6Mmedian roundJun 2026last seen
  6. 6SFC CapitalDeploying nowAngel network · United Kingdom379$431Kmedian roundNov 2026last seen
  7. 7Balderton CapitalDeploying nowVC firm · United Kingdom368$30Mmedian roundOct 2026last seen
  8. 8Octopus VenturesDeploying nowVC firm · United Kingdom355$10Mmedian roundOct 2026last seen
  9. 9Entrepreneur FirstDeploying nowAccelerator · United Kingdom332$3.6Mmedian roundOct 2026last seen
  10. 10NorthzoneDeploying nowVC firm · United Kingdom240$22Mmedian roundOct 2026last seen
  11. 11ParkwalkDeploying nowVC firm · United Kingdom209$6.9Mmedian roundOct 2026last seen
  12. 12AscensionDeploying nowVC firm · United Kingdom190$3.4Mmedian roundOct 2026last seen
  13. 13SoftBank Vision FundDeploying nowVC firm · United Kingdom179$130Mmedian roundSept 2026last seen
  14. 14IP GroupDeploying nowVC firm · United Kingdom174$9.1Mmedian roundOct 2026last seen
  15. 15IQ CapitalDeploying nowVC firm · United Kingdom165$17Mmedian roundOct 2026last seen
  16. 16Fuel VenturesDeploying nowVC firm · United Kingdom163$1.9Mmedian roundOct 2026last seen
  17. 17Foresight GroupDeploying nowPrivate equity · United Kingdom132$4Mmedian roundOct 2026last seen
  18. 18Barclays VenturesDeploying nowCorporate VC · United Kingdom128$23Mmedian roundOct 2026last seen
  19. 19Future Planet CapitalDeploying nowVC firm · United Kingdom126$3.6Mmedian roundSept 2026last seen
  20. 20Firstminute CapitalDeploying nowVC firm · United Kingdom123$6.4Mmedian roundOct 2026last seen
  21. 21European UnionDeploying nowGovernment · United Kingdom118$2.3Mmedian roundSept 2026last seen
  22. 22Better CapitalDeploying nowPrivate equity · United Kingdom97$2.5Mmedian roundOct 2026last seen
  23. 23Ada VenturesDeploying nowVC firm · United Kingdom94$3.2Mmedian roundOct 2026last seen
  24. 24European Bank for Reconstruction and DevelopmentDeploying nowPrivate equity · United Kingdom91$35Mmedian roundNov 2026last seen
  25. 25British International InvestmentDeploying nowGovernment · United Kingdom84$20Mmedian roundNov 2026last seen
39 more on this list

All 64 are in the app, with filters for stage, sector and market. A free account shows 10 per search, Pro up to 1,000.

See the whole list →

Quick answers about cleantech investors based in London

Who are the most active cleantech investors based in London?

By cheques observed, the most active are Index Ventures, Antler, Crowdcube, Seedcamp and GSR.

How many cleantech investors based in London are there?

64 are on record. 95% made an investment in the last 12 months and 72% have led a round.

Which stages do cleantech investors based in London back?

Of the rounds with a named stage in the last 12 months, mostly Seed (29%) and Pre-seed (19%).

How big are the rounds cleantech investors based in London join?

The typical (median) round among the leading investors here is $6M.

Which sectors do cleantech investors based in London back most?

In the last 12 months, mostly AI, Energy and Fintech.

Which cleantech investors based in London lead the most rounds?

Index Ventures (62 led), Balderton Capital (22 led) and Octopus Ventures (11 led).

What have cleantech investors based in London invested in recently?

Recent rounds include Claimlane (Series A, Nov 2026, with Verb Ventures), Granit (Seed, Nov 2026, with Seedcamp) and Nayara (Pre-seed, Nov 2026, with SFC Capital).

How is this list of cleantech investors based in London ranked?

By cheques observed, from the rounds and filings we watched, and never by anything anyone paid for. It is rebuilt every night.

Built from the rounds we watched, refreshed every night. How we count · Report a correction