Funds, angels and corporates active in European rounds
| Investor | Type | Deals | Companies | Top sector | Active |
|---|---|---|---|---|---|
| O2E | Corporate | 1 | 1 | AI | 2021 |
| Oak Grove Ventures | Venture capital | 1 | 1 | Fintech | 2024 |
| Oak HC FT | Venture capital | 1 | 1 | Fintech | 2022 |
| Oakman Ventures | Venture capital | 1 | 1 | Energy | 2021 |
| OakNorth | — | 1 | 1 | Fintech | 2017 |
| Oaktree Capital Management | — | 1 | 1 | Fintech | 2016 |
| Oasthouse Ventures | Venture capital | 1 | 1 | Software | 2025 |
| OATV | — | 1 | 1 | Fintech | 2015 |
| Obayashi Corporation | Corporate | 1 | 1 | Robotics | 2022 |
| Oberio Equity | — | 1 | 1 | Software | 2015 |
| Obitritia | — | 1 | 1 | Media | 2017 |
| Obiz group | Venture capital | 1 | 1 | Sports | 2024 |
| Oblivion | Corporate | 1 | 1 | Fashion | 2025 |
| OBOS Oppstart | — | 1 | 1 | Proptech | 2025 |
| Obu | Crowdfunding | 1 | 1 | Healthtech | 2023 |
| Obuda Uni Venture Capital | Venture capital | 1 | 1 | Edtech | 2024 |
| Ocapac Holding Company | — | 1 | 1 | Software | 2016 |
| Occipac | Venture capital | 1 | 1 | Agritech | 2023 |
| the Occitanie region | Venture capital | 1 | 1 | Software | 2026 |
| OCCTE | Venture capital | 1 | 1 | Transportation | 2024 |
| OCCTE (FPCI Occidev Impacts) | Venture capital | 1 | 1 | Healthtech | 2025 |
| Ocean | Venture capital | 1 | 1 | Healthtech | 2023 |
| Ocean Flow | Venture capital | 1 | 1 | E-commerce | 2021 |
| Ocean Impact | Venture capital | 1 | 1 | Software | 2025 |
| Oceanicideas | — | 1 | 1 | Hardware | 2017 |
