Investor Lists

Cleantech investors in United Kingdom

Updated 7 November 2026

Firms observed backing a cleantech company in United Kingdom in the last two years, wherever the firm is based.

See all 135 →The top 25
135investors on the listNo change this week
3,024cheques in 12 months-15% against the market
$7.1Mmedian round they joined-11% against the market median
93%wrote a cheque in 12 months
57%have led a round

The Top 25

Ordered by cheques observed, never by anything anyone paid for

Deploying now (25)

  1. 1TechstarsDeploying nowVC firm · United States2,989$1.2Mmedian roundNov 2026last seen
  2. 2Alumni VenturesDeploying nowVC firm · United States1,598$12Mmedian roundNov 2026last seen
  3. 3Plug and PlayDeploying nowAccelerator · United States1,561$5Mmedian roundNov 2026last seen
  4. 4MassChallengeDeploying nowAccelerator · United States984$1.8Mmedian roundSept 2026last seen
  5. 5EIC AcceleratorDeploying nowGovernment · European Union875$4.3Mmedian roundOct 2026last seen
  6. 6Goldman SachsDeploying nowPrivate equity · United States758$73Mmedian roundOct 2026last seen
  7. 7AntlerDeploying nowVC firm · United Kingdom729$1Mmedian roundNov 2026last seen
  8. 8CrowdcubeDeploying nowVC firm · United Kingdom715$615Kmedian roundSept 2026last seen
  9. 9Innovate UKDeploying nowVC firm · United Kingdom704$1.2Mmedian roundOct 2026last seen
  10. 10Tengxun TouziDeploying nowVC firm · China553$50Mmedian roundNov 2026last seen
  11. 11Global Brain CorporationDeploying nowVC firm · Japan480$7.6Mmedian roundSept 2026last seen
  12. 12Creative Destruction LabDeploying nowAccelerator · Canada427$3Mmedian roundSept 2026last seen
  13. 13Kleiner PerkinsDeploying nowVC firm · United States398$40Mmedian roundNov 2026last seen
  14. 14SFC CapitalDeploying nowAngel network · United Kingdom379$431Kmedian roundNov 2026last seen
  15. 15Octopus VenturesDeploying nowVC firm · United Kingdom355$10Mmedian roundOct 2026last seen
  16. 16Business Growth FundDeploying nowPrivate equity · United Kingdom260$9.9Mmedian roundNov 2026last seen
  17. 17Scottish EnterpriseDeploying nowGovernment · United Kingdom256$2.1Mmedian roundNov 2026last seen
  18. 18SeedrsDeploying nowVC firm · United Kingdom244$961Kmedian roundSept 2026last seen
  19. 19HSBCDeploying nowGrowth equity · United Kingdom234$45Mmedian roundOct 2026last seen
  20. 20Mizuho Corporate BankDeploying nowVC firm · Japan217$9.5Mmedian roundOct 2026last seen
  21. 21ReachDeploying nowVC firm · Canada217$5Mmedian roundSept 2026last seen
  22. 22ParkwalkDeploying nowVC firm · United Kingdom209$6.9Mmedian roundOct 2026last seen
  23. 23Artesian VCDeploying nowAsset manager · Australia201$2Mmedian roundOct 2026last seen
  24. 24AscensionDeploying nowVC firm · United Kingdom190$3.4Mmedian roundOct 2026last seen
  25. 25Blackbird VenturesDeploying nowVC firm · United States177$7Mmedian roundOct 2026last seen
110 more on this list

All 135 are in the app, with filters for stage, sector and market. A free account shows 10 per search, Pro up to 1,000.

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Quick answers about cleantech investors in United Kingdom

Who are the most active cleantech investors in United Kingdom?

By cheques observed, the most active are Techstars, Alumni Ventures, Plug and Play, MassChallenge and EIC Accelerator.

How many cleantech investors in United Kingdom are there?

135 are on record. 93% made an investment in the last 12 months and 57% have led a round.

Which stages do cleantech investors in United Kingdom back?

Of the rounds with a named stage in the last 12 months, mostly Seed (27%) and Series A (21%).

How big are the rounds cleantech investors in United Kingdom join?

The typical (median) round among the leading investors here is $5M.

Which sectors do cleantech investors in United Kingdom back most?

In the last 12 months, mostly AI, Biotech and Healthcare.

Which cleantech investors in United Kingdom lead the most rounds?

Kleiner Perkins (33 led), Goldman Sachs (22 led) and Tengxun Touzi (20 led).

Where are cleantech investors in United Kingdom based?

Among the most active, most are based in the United Kingdom (11), the United States (7) and Japan (2).

What have cleantech investors in United Kingdom invested in recently?

Recent rounds include Humble Robotics (Series A, Nov 2026, with Energy Impact Partners), T-Therapeutics (Series B, Nov 2026, with British Business Bank) and Pure Data Centres Group (Debt, Nov 2026, with ABN AMRO Fund).

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