Funds, angels and corporates active in European rounds
| Investor | Type | Deals | Companies | Top sector | Active |
|---|---|---|---|---|---|
| Icehouse Ventures | Venture capital | 2 | 2 | Space | 2022–2026 |
| Icelandic New Business Venture Fund | Venture capital | 2 | 2 | Agritech | 2022–2023 |
| ICF Generalitat de Catalunya | Investment firm | 2 | 2 | Healthtech | 2013–2016 |
| ICF Venture Tech II | Venture capital | 2 | 2 | Legaltech | 2021 |
| ICG-Longbow | — | 2 | 2 | Hardware | 2020–2021 |
| Ichigo Inc. | Venture capital | 2 | 1 | Energy | 2025 |
| ICO | Venture capital | 2 | 2 | Fintech | 2017–2026 |
| Iconical | Venture capital | 2 | 2 | Robotics | 2022–2024 |
| ICU funds | Investment firm | 2 | 2 | AI | 2023 |
| IDB Invest | Venture capital | 2 | 2 | Fashion | 2022 |
| IDEO | — | 2 | 2 | Agritech | 2017–2022 |
| IDI | Investment firm | 2 | 1 | Marketing | 2020–2022 |
| iDreamSky | — | 2 | 1 | Software | 2017 |
| IDUN | — | 2 | 2 | Cleantech | 2017–2022 |
| Idunn venture fund | Venture capital | 2 | 2 | Healthtech | 2022 |
| IFA capital | Venture capital | 2 | 1 | Healthtech | 2021 |
| IFG.VC | Venture capital | 2 | 2 | Proptech | 2021 |
| ifund | Venture capital | 2 | 2 | Cleantech | 2022–2023 |
| iGlobe Partners | — | 2 | 2 | Healthtech | 2017–2022 |
| Ignia Partners | Venture capital | 2 | 2 | AI | 2023 |
| Ignite Ventures | Venture capital | 2 | 2 | Software | 2025 |
| Igor MatsanyUnited Kingdom | Angel | 2 | 2 | Travel | 2011–2013 |
| Igor Tikhturov | — | 2 | 2 | E-commerce | 2020–2023 |
| Iker Marcaide | — | 2 | 2 | E-commerce | 2016–2024 |
| Ikerlan | Venture capital | 2 | 2 | Deeptech | 2021–2026 |
