Climate, energy and environment investors in London
London is home to more investor-backed companies than anywhere else in the UK, and to most of the country's venture funds, family offices and angel syndicates. Climate and clean energy companies often pair grant funding with specialist climate funds and angel syndicates focused on sustainability. 264 investor-backed climate, energy and environment companies in London are in Pulse, and 9 raised a first funding round in the last year.
- Investor-backed companies
- 264
- Active investors, 2 years
- 794
- Rounds, 2 years
- 111
- Median round
- £645k
Who is investing
In the last two years 167 funds, firms and family offices and 605 angels took shares in climate, energy and environment companies in London, with the latest round in Oct 2026. These are the firms backing the most of these companies:
| Firm | Type | Companies |
|---|---|---|
| Elgin Energy Holdings Limited | Holding company (possible family office) | 6 companies |
| Rab Capital Jersey Limited | Fund or investment firm | 4 companies |
| Rivington Solar Limited | Holding company (possible family office) | 4 companies |
| Universal Holding Ltd | Holding company (possible family office) | 3 companies |
| Asian Investment Management Services Limited | Fund or investment firm | 2 companies |
| Chubu Global Investment B.V. | Fund or investment firm | 2 companies |
| Delphis Holdings Limited | Holding company (possible family office) | 2 companies |
| European Energy PF1 Holding Aps | Holding company (possible family office) | 2 companies |
See all 794 active investors, including angels, with what they've backed, estimated cheque sizes and who they invest alongside.
Rounds and valuations
Over the last two years, 111 funding rounds were raised by climate, energy and environment companies in London, an estimated £802.3m, with a median round of about £645k. 9 of the companies raised their first priced round in the last 12 months. 35% of these valuations carry a High confidence rating.
How London compares
London has 29% of the UK's climate, energy and environment sector's 912 investor-backed companies. The median round of £645k is above the £582k median for the UK's climate, energy and environment sector, and above the UK-wide £176k. By stage, 68 have exited, 30 are at venture stage, 23 are at seed. The most active firm in these companies is Elgin Energy Holdings Limited, in 6 companies.
Questions
How many investors back climate, energy and environment companies in London?
Pulse found 794 outside investors taking shares in climate, energy and environment companies in London in the last two years: 167 funds, firms and family offices, and 605 angels.
How much do climate, energy and environment companies in London raise?
Over the last two years 111 rounds were raised, an estimated £802.3m in total. The median round was about £645k.
How accurate are the amounts?
They are Pulse estimates, each with a confidence rating. 35% of recent valuations here carry a High confidence rating; the rest are marked Medium or Low.
Can I see every investor?
Pulse subscribers see every outside investor by name, with portfolios and co-investors, from £39.99 a month plus VAT (£47.99 inc. VAT). Contact details are not included and names are not linked to personal profiles.