European Cleantech startup funding raised during May 2023.
In May 2023, 21 European Cleantech companies raised a combined €93M across 21 funding rounds, down 61.8% versus May 2022. Germany led by capital raised, and Beteiligungs-Managementgesellschaft Hessen (BMH) was the most active investor. Data as of 9 Jul 2026.
| €9.1M |
| Origin by Ocean | Seed | May 2023 | €7.5M |
| Dayrize | Other | May 2023 | €4.0M |
| Improvin’ | Seed | May 2023 | €3.5M |
| zero44 | Other | May 2023 | €2.5M |
| Zparq | Other | May 2023 | €2.5M |
| Sunhat | Seed | May 2023 | €2.0M |
| Optiml | Pre-Seed | May 2023 | €1.6M |
| Spacedrip | Other | May 2023 | €1.5M |
| Bocoloco | Other | May 2023 | €1.4M |
| INERGIO | Grant | May 2023 | €1.2M |
| Pyrpose | Other | May 2023 | €1.0M |
