Series A climate tech investors in the UK
Venture-stage companies have raised several rounds and are typically at Series A or beyond, where institutional funds lead and earlier angels follow on. Climate and clean energy companies often pair grant funding with specialist climate funds and angel syndicates focused on sustainability. 61 investor-backed series a climate, energy and environment companies are in Pulse, and 2 raised a first funding round in the last year.
- Investor-backed companies
- 61
- Active investors, 2 years
- 391
- Rounds, 2 years
- 81
- Median round
- £345k
Who is investing
In the last two years 82 funds, firms and family offices and 304 angels took shares in series a climate, energy and environment companies, with the latest round in Oct 2026. These are the firms backing the most of these companies:
| Firm | Type | Companies |
|---|---|---|
| SFC BBI | Fund or investment firm | 2 companies |
| SFC Capital | Fund or investment firm | 2 companies |
| University of Oxford | University | 2 companies |
| Ab Two Investments Limited | Fund or investment firm | 1 company |
| Agristream Holdings | Holding company (possible family office) | 1 company |
| Altor Capital Management Pty Ltd | Fund or investment firm | 1 company |
| Amvest Capital Principal Strategies, Inc. | Fund or investment firm | 1 company |
| Angel Investors Bristol SPV Limited | Fund or investment firm | 1 company |
See all 391 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, 81 funding rounds were raised by series a climate, energy and environment companies, an estimated £87.7m, with a median round of about £345k. 2 of the companies raised their first priced round in the last 12 months. 46% of these valuations carry a High confidence rating.
How Climate, energy and environment compares
Climate, energy and environment companies make up 0% of the 74,284 investor-backed companies in Pulse. The median round of £345k is above the £176k median for the whole UK market. The most active firm in these companies is SFC BBI, in 2 companies.
Questions
How many investors back series a climate, energy and environment companies?
Pulse found 391 outside investors taking shares in series a climate, energy and environment companies in the last two years: 82 funds, firms and family offices, and 304 angels.
How much do series a climate, energy and environment companies raise?
Over the last two years 81 rounds were raised, an estimated £87.7m in total. The median round was about £345k.
How accurate are the amounts?
They are Pulse estimates, each with a confidence rating. 46% 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.