European Cleantech startup funding raised during Q3 2025.
In Q3 2025, 44 European Cleantech companies raised a combined €919M across 44 funding rounds, up 81.5% versus Q3 2024. UK led by capital raised, and CDP Venture Capital was the most active investor. Data as of 9 Jul 2026.
| Company | Stage | Date | Amount |
|---|---|---|---|
| Pulse Clean Energy | Debt | Aug 2025 | €254M |
| Climeworks | Other | Jul 2025 | €138M |
| WAAT | Other | Sep 2025 | €100M |
| CuspAI | Other | Aug 2025 |
6 exits.
| €86M |
| Avantium Technologies | Other | Sep 2025 | €85M |
| Thermondo | Debt | Jul 2025 | €50M |
| Genomines | Series A | Sep 2025 | €38M |
| Steady Energy | Other | Jul 2025 | €32M |
| cylib | Other | Sep 2025 | €26M |
| Tulum Energy | Seed | Jul 2025 | €23M |
| BIOWEG | Series A | Sep 2025 | €16M |
| AmphiStar | Growth/Late | Jul 2025 | €13M |
| Sunhat | Series A | Sep 2025 | €9.2M |
| maxwellandspark | Series B | Sep 2025 | €9.0M |
| encentive | Other | Sep 2025 | €6.3M |