Funds, angels and corporates active in European rounds
| Investor | Type | Deals | Companies | Top sector | Active |
|---|---|---|---|---|---|
| Social Stock Exchange Fund | Venture capital | 2 | 2 | Agritech | 2022 |
| Sociedad Española para la Transformación Tecnológica (SETT) | Venture capital | 2 | 2 | Healthtech | 2026 |
| Sodical | Venture capital | 2 | 2 | Agritech | 2024 |
| Sofia Angel Ventures | Venture capital | 2 | 2 | Fashion | 2023–2024 |
| Sofinex | Venture capital | 2 | 2 | Marketing | 2023 |
| Softhouse | — | 2 | 2 | Software | 2017–2018 |
| Software Club | Venture capital | 2 | 2 | Healthtech | 2022 |
| Soho Square | Venture capital | 2 | 2 | Marketing | 2023 |
| SOJE Capital | Venture capital | 2 | 1 | Healthtech | 2021–2022 |
| SOL Ventures | — | 2 | 2 | Foodtech | 2018 |
| Solano Partners | Venture capital | 2 | 2 | Proptech | 2023–2024 |
| Solar | Corporate | 2 | 2 | Software | 2016–2022 |
| Solar Eclipse | Venture capital | 2 | 1 | Healthtech | 2025 |
| SolBigBrain | Venture capital | 2 | 2 | Edtech | 2022 |
| Solo Investments Holdings Limited | Venture capital | 2 | 2 | Fintech | 2025 |
| Somnium Space | Corporate | 2 | 2 | Deeptech | 2021–2022 |
| Sontowski & Partner Group | — | 2 | 2 | Proptech | 2018–2019 |
| Sony Pictures Entertainment | Corporate | 2 | 2 | Media | 2016 |
| Sopromec | Investment firm | 2 | 1 | Wellness & Beauty | 2014–2016 |
| Sorare | Corporate | 2 | 2 | Gaming | 2021–2022 |
| Sorbonne Venture | Venture capital | 2 | 2 | Healthtech | 2025 |
| SOSF | — | 2 | 1 | Healthtech | 2021 |
| Source Ventures | Venture capital | 2 | 2 | Media | 2023 |
| Source Code Capital | Venture capital | 2 | 1 | Transportation | 2018–2019 |
| Souter Investments | Venture capital | 2 | 2 | Fashion | 2023–2025 |
