| Quiver AI | – | – | 2025 | K Fund |
| Quillon | – | – | 2025 | 42CAP |
| Quartz | – | – | 2025 | K Fund |
| QED Science Artificial Intelligence | – | – | 2025 | F2 Venture Capital |
| Q.ANT | – | – | 2025 | UVC Partners |
| PurpleShares | – | – | 2025 | BeAngels |
| Proxima Fusion Energy, Germany | – | – | 2025 | Omnes Capital |
| Ponda | – | – | 2025 | BeAngels |
| Polyuse Inc. Frontier | Growth | – | 2025 | Globis Capital Partners |
| Pollen | – | – | 2025 | K Fund |
| Phinity Labs | Seed | – | 2025 | Uncork Capital |
| Pestalozzi Technology Inc. | Series A | – | 2025 | WASEDA University Ventures |
| Perx Health Healthcare / Digital Health, Australia | – | – | 2025 | Sprint Ventures |
| Pensar AI | – | – | 2025 | Abstraction Capital |
| Patagon.ai | – | – | 2025 | K Fund |
| Oxyle Climate Tech, Switzerland | – | – | 2025 | 360 Capital |
| Oviva Healthtech, Switzerland | series D | – | 2025 | Norrsken VC |
| Oviva Health & Bio, Germany | – | – | 2025 | Kinnevik |
| Osteoboost | – | – | 2025 | Band of Angels |
| Orbem Food & Agri-Tech | – | – | 2025 | Innovation Industries |
| OnTracx | – | – | 2025 | BeAngels |
| Ontic | Growth | – | 2025 | Ten Eleven Ventures |
| Onit Security Cybersecurity | – | – | 2025 | Hetz Ventures |
| Onepot Deep & frontier tech, United States | seed | – | 2025 | Norrsken VC |
| One Planet Studio | – | – | 2025 | BeAngels |
| OneLayer Zero Trust Architecture, Cellular Network Visibility and Sec, Israel | – | – | 2025 | McRock Capital |
| Omnia | – | – | 2025 | K Fund |
| Odynn | – | – | 2025 | Abstraction Capital |
| Oceanusbio, Inc. Frontier | Early | – | 2025 | Globis Capital Partners |
| Oceanic Constellations, Inc. Frontier | Seed | – | 2025 | Globis Capital Partners |