- SDCL
- Seaya Andromeda
- Seedstars Africa Ventures
- Sequoia Capital
- SET Ventures
- Shell Ventures
- Shorewind Capital
- Silence
- Skyview Ventures
- Slate Venture Capital
- Social Investment Managers & Advisors (SIMA Funds)
- SoftBank Visioin Fund
- SOSV
- Spero Ventures
- Spring Impact Capital
- Spring Lane Capital
- Starlight Ventures
- Starshot Capital
- Statkraft Ventures
- Sustainable Development Capital, LLP
