Funds, angels and corporates active in European rounds
| Investor | Type | Deals | Companies | Top sector | Active |
|---|---|---|---|---|---|
| Summit Action | — | 2 | 1 | Software | 2017–2021 |
| Sun Corporation | — | 2 | 1 | Hardware | 2015–2016 |
| Sun Hung Kai & Co | — | 2 | 2 | E-commerce | 2021–2022 |
| Sundeep Ahuja | Angel | 2 | 2 | Cleantech | 2022 |
| Sunflower Capital | Venture capital | 2 | 2 | AI | 2025 |
| Sunley House Capital Management | — | 2 | 2 | Software | 2018 |
| Sunna Ventures | Venture capital | 2 | 2 | Cleantech | 2025–2026 |
| Superlyst | Venture capital | 2 | 1 | Software | 2022–2023 |
| Superorganism | Venture capital | 2 | 2 | AI | 2024–2025 |
| SuPREmum Capital | Investment firm | 2 | 2 | Marketing | 2012–2013 |
| Surgical.AI | — | 2 | 1 | Healthtech | 2018–2024 |
| Susi Partners | — | 2 | 2 | Energy | 2018–2022 |
| Suss Ventures | Venture capital | 2 | 2 | Robotics | 2021 |
| Sustainable Energy Angels AB | Venture capital | 2 | 2 | Software | 2021–2025 |
| Suzano Ventures | Venture capital | 2 | 2 | Energy | 2023 |
| Suzuki Global Ventures | Venture capital | 2 | 1 | Fintech | 2024–2025 |
| SV Angels | Venture capital | 2 | 2 | Software | 2022–2026 |
| SVB Capital | Venture capital | 2 | 2 | Healthtech | 2023 |
| Sveaskog | Venture capital | 2 | 2 | Robotics | 2023–2024 |
| Sven Sieber | Angel | 2 | 2 | Energy | 2024–2025 |
| Sviluppo Basilicata | Investment firm | 2 | 2 | Edtech | 2016 |
| Swarth Group | — | 2 | 2 | Cybersecurity | 2014–2017 |
| Swedish House Mafia | Angel | 2 | 2 | Media | 2023 |
| Sweet Studio | Venture capital | 2 | 2 | Wellness & Beauty | 2018 |
| SWEN Blue Ocean | Venture capital | 2 | 2 | E-commerce | 2023–2024 |