Funds, angels and corporates active in European rounds
| Investor | Type | Deals | Companies | Top sector | Active |
|---|---|---|---|---|---|
| Stephen Whitworth | Angel | 3 | 3 | AI | 2024–2025 |
| Steven Bartlett | Angel | 3 | 3 | AI | 2023–2024 |
| Steven Nzonzi | Angel | 3 | 1 | Software | 2022–2023 |
| Stewart Butterfield | — | 3 | 3 | Software | 2016–2026 |
| STMicroelectronics | — | 3 | 2 | Healthtech | 2016–2026 |
| Strabag | Corporate | 3 | 3 | Proptech | 2021–2026 |
| strategic partners | Venture capital | 3 | 3 | Deeptech | 2024–2025 |
| Stratos Technologies | Corporate | 3 | 3 | E-commerce | 2022–2023 |
| Stray Dog Capital | — | 3 | 3 | Foodtech | 2017–2026 |
| Streamlined Ventures | — | 3 | 3 | AI | 2016–2025 |
| STRT Ventures funds | Venture capital | 3 | 3 | AI | 2024 |
| Sumitomo Mitsui Banking Corporation | Bank | 3 | 3 | Fintech | 2023–2026 |
| Sune Alstrup | Angel | 3 | 3 | Deeptech | 2021–2026 |
| Superbet Ventures | Venture capital | 3 | 2 | Sports | 2023–2024 |
| Superscrypt | Venture capital | 3 | 3 | Software | 2023–2024 |
| Susa Ventures | Venture capital | 3 | 3 | Fintech | 2022–2026 |
| SVC | — | 3 | 3 | Healthtech | 2018 |
| Svea Bank | Bank | 3 | 3 | Fintech | 2022–2024 |
| Sverdlovsk Venture Fund | Investment firm | 3 | 3 | Software | 2016 |
| Swanlaab Innvierte Agrifood-Tech | Venture capital | 3 | 3 | Agritech | 2025–2026 |
| Swisspreneur | Venture capital | 3 | 3 | Cleantech | 2023–2024 |
| Swisspreneur Syndicate | Venture capital | 3 | 3 | Software | 2022–2025 |
| Syndicate Room’s Access EIS Fund | Venture capital | 3 | 3 | Fintech | 2023–2024 |
| T. Rowe Price Associates | — | 3 | 2 | Software | 2021–2022 |
| Tailored Solutions | — | 3 | 2 | Foodtech | 2021–2025 |
