Funds, angels and corporates active in European rounds
| Investor | Type | Deals | Companies | Top sector | Active |
|---|---|---|---|---|---|
| Claudio Erba | Angel | 1 | 1 | Edtech | 2024 |
| Claudio Ognibene | Angel | 1 | 1 | Software | 2026 |
| Claudio Vaccaro | Angel | 1 | 1 | Software | 2025 |
| Claudio Zuccolini | Angel | 1 | 1 | Software | 2024 |
| Claure Group | Venture capital | 1 | 1 | Fintech | 2022 |
| Claus Bollrath | Angel | 1 | 1 | Healthtech | 2023 |
| Claus Budelmann | Angel | 1 | 1 | Fintech | 2023 |
| Claus Decker | Angel | 1 | 1 | Software | 2022 |
| Claus J. Goldenstein | Angel | 1 | 1 | Cleantech | 2022 |
| CLAVE AND ORZA | — | 1 | 1 | Healthtech | 2020 |
| Clave Innohealth | Venture capital | 1 | 1 | Healthtech | 2024 |
| Clave-Mondragón | Venture capital | 1 | 1 | Healthtech | 2024 |
| Claverley Group | — | 1 | 1 | Media | 2017 |
| Claves Investments | Venture capital | 1 | 1 | Healthtech | 2025 |
| Clean Energy Finance Corporation | Corporate | 1 | 1 | Transportation | 2021 |
| Clean Future Dividend Fund | Investment firm | 1 | 1 | Energy | 2023 |
| Clean H2 Infra Fund | Venture capital | 1 | 1 | Energy | 2022 |
| Clean Hydrogen Infrastructure Fund | Investment firm | 1 | 1 | Energy | 2025 |
| Clean-Tech Real Estate Consortium | — | 1 | 1 | Cleantech | 2018 |
| Cleantech Estonia | Government / public | 1 | 1 | Cleantech | 2023 |
| Clear Haven Capital Management | Venture capital | 1 | 1 | Fintech | 2023 |
| The Clearing Ventures | Venture capital | 1 | 1 | Software | 2023 |
| Clearly Social Angels - ClearlySo | — | 1 | 1 | Cleantech | 2016 |
| ClearSky | Venture capital | 1 | 1 | Cleantech | 2022 |
| ClearSky Cyber Security | — | 1 | 1 | Cybersecurity | 2017 |
