Funds, angels and corporates active in European rounds
| Investor | Type | Deals | Companies | Top sector | Active |
|---|---|---|---|---|---|
| Kaarel Kotkas | Angel | 2 | 2 | Cleantech | 2021–2022 |
| Kai Capital | Private equity | 2 | 1 | Energy | 2023–2025 |
| Kai Hesselmann | Angel | 2 | 2 | Fintech | 2023–2024 |
| Kai Seefeldt | — | 2 | 2 | Software | 2017 |
| Kain Warwick | Angel | 2 | 2 | Edtech | 2021–2022 |
| Kair Käsper | Angel | 2 | 2 | Fintech | 2021–2024 |
| Kairos Vetures | Venture capital | 2 | 2 | Energy | 2022–2026 |
| Kaj Hed | — | 2 | 1 | Marketing | 2012–2013 |
| Kajetan Uhlig | Angel | 2 | 2 | Software | 2022–2023 |
| Kalodion | — | 2 | 2 | Software | 2021–2023 |
| Kamay Ventures | Venture capital | 2 | 2 | Agritech | 2021–2024 |
| Kärcher New Venture | — | 2 | 2 | Cleantech | 2018–2022 |
| Kardan | — | 2 | 2 | Software | 2002 |
| Karim Jalbout | Angel | 2 | 1 | Cleantech | 2022–2023 |
| Karim Kaddoura | Angel | 2 | 2 | E-commerce | 2021 |
| Karl Büche | Angel | 2 | 2 | Agritech | 2023–2025 |
| Karl Magnus Troedsson | — | 2 | 2 | Gaming | 2017 |
| Karlani Capital | — | 2 | 2 | Software | 2014 |
| Karlsruhe Institute of Technology (KIT) | Venture capital | 2 | 2 | Healthtech | 2023–2025 |
| Karolinska Development | Venture capital | 2 | 2 | Healthtech | 2022 |
| Karsten Schneider | Angel | 2 | 2 | Edtech | 2024–2025 |
| Kartesia | Venture capital | 2 | 2 | E-commerce | 2021–2024 |
| Katapult Accelerator | Accelerator | 2 | 2 | Transportation | 2023 |
| Katarzyna Szubryt | — | 2 | 2 | Software | 1998–2011 |
| Katharo Ventures | Venture capital | 2 | 2 | Software | 2022–2023 |
