Funds, angels and corporates active in European rounds
| Investor | Type | Deals | Companies | Top sector | Active |
|---|---|---|---|---|---|
| Simplyhealth Ventures | Venture capital | 5 | 5 | Healthtech | 2024–2026 |
| SINTEF | — | 5 | 5 | Robotics | 2018–2025 |
| Slimmer AI | Corporate | 5 | 4 | Cybersecurity | 2021–2025 |
| SLJ Investment Partners | Investment firm | 5 | 3 | Foodtech | 2017–2020 |
| Smac Partners | — | 5 | 3 | Software | 2006–2010 |
| Smart Energy Innovationsfonds | Venture capital | 5 | 4 | Energy | 2023–2024 |
| Smart Partnership Capital | Venture capital | 5 | 4 | HRtech | 2022–2025 |
| SMBC | — | 5 | 5 | Cleantech | 2020–2026 |
| Söderberg & Partners | — | 5 | 2 | Edtech | 2017–2024 |
| Sofokus Ventures | Venture capital | 5 | 5 | Software | 2021–2024 |
| Softbank Ventures Korea | Venture capital | 5 | 5 | Software | 2015–2018 |
| Solidium Oy | Venture capital | 5 | 1 | Space | 2024–2026 |
| Solvay Ventures | Venture capital | 5 | 5 | Healthtech | 2020–2024 |
| Sonae | Corporate | 5 | 4 | Foodtech | 2015–2017 |
| Sony Financial Ventures | Venture capital | 5 | 5 | Fintech | 2019–2023 |
| SparkLabs Global Ventures | Investment firm | 5 | 3 | Software | 2014–2016 |
| Springboard Health Angels | Angel | 5 | 5 | Healthtech | 2022–2025 |
| SR One | — | 5 | 5 | Healthtech | 2015–2025 |
| SRIW | — | 5 | 5 | Software | 2017–2022 |
| STAC | Venture capital | 5 | 5 | Deeptech | 2026 |
| Stan Boland | Angel | 5 | 5 | AI | 2024–2026 |
| Standout Capital | — | 5 | 5 | Software | 2017–2020 |
| Star Ventures | Investment firm | 5 | 3 | Software | 2003–2011 |
| Start Ventures | Venture capital | 5 | 5 | Fintech | 2024–2025 |
| StartCaps Ventures | Investment firm | 5 | 3 | Software | 2012–2015 |
