European Cleantech startup funding raised during May 2025.
In May 2025, 15 European Cleantech companies raised a combined €51M across 15 funding rounds, down 78.4% versus May 2024. Sweden led by capital raised, and Alven and Racine² was the most active investor. Data as of 9 Jul 2026.
1 exit.
| €3.9M |
| Catalyxx | Other | May 2025 | €3.0M |
| Gazelle Wind Power | Other | May 2025 | €2.0M |
| Sort A Brick | Pre-Seed | May 2025 | €1.5M |
| AeroSpec | Debt | May 2025 | €696k |
| INERGIO | Debt | May 2025 | €534k |
| MarkeDroid | Grant | May 2025 | €175k |
| Brightank | Debt | May 2025 | €107k |
