Funds, angels and corporates active in European rounds
| Investor | Type | Deals | Companies | Top sector | Active |
|---|---|---|---|---|---|
| Oliver Manojlovich | Angel | 5 | 5 | E-commerce | 2021–2023 |
| OÖ HightechFonds | Venture capital | 5 | 5 | Software | 2022–2025 |
| Open Circle Capital | Venture capital | 5 | 5 | Software | 2021–2024 |
| Opus Capital | — | 5 | 4 | Cybersecurity | 2014–2022 |
| Origin Capital | — | 5 | 5 | Energy | 2017–2023 |
| Oskare Capital | Venture capital | 5 | 3 | Cleantech | 2021–2026 |
| Ouest Ventures | Investment firm | 5 | 3 | Marketing | 2004–2009 |
| Outlast Fund | Venture capital | 5 | 5 | AI | 2025–2026 |
| Overkill VC | Venture capital | 5 | 5 | Agritech | 2021–2023 |
| Owen Simonin | Angel | 5 | 5 | Fintech | 2022–2025 |
| Oxford Innovation Finance | Venture capital | 5 | 5 | Software | 2023–2026 |
| Oxford Seed Fund | Venture capital | 5 | 5 | Software | 2021–2025 |
| Oxford Technology and Innovations EIS Fund (OTIF) | — | 5 | 4 | Software | 2017–2024 |
| Oxford University Innovation Fund | — | 5 | 4 | Healthtech | 2018–2025 |
| Paribu Ventures | Venture capital | 5 | 5 | Fintech | 2022–2026 |
| Partinc Capital | Investment firm | 5 | 4 | Software | 2021–2024 |
| Patrick Andrä | Angel | 5 | 5 | Software | 2021–2023 |
| Paul Rippon | Angel | 5 | 4 | Fintech | 2021–2026 |
| Paul Schwarzenholz | — | 5 | 5 | AI | 2015–2022 |
| Pays De La Loire Developpement | — | 5 | 5 | Proptech | 2017 |
| Pentalabbs | — | 5 | 4 | Software | 2016–2017 |
| Pereg Ventures | — | 5 | 3 | Software | 2015–2021 |
| Perry Oostdam | Angel | 5 | 4 | Software | 2021–2025 |
| Peter Carlsson | Angel | 5 | 5 | AI | 2017–2026 |
| Peter Read | — | 5 | 5 | Media | 2011–2016 |
