Investment thesis
Join Capital invests early in European deeptech and dual-use companies, across defence and space, enterprise technology including quantum computing, AI and cybersecurity, and industrial areas such as advanced materials and autonomous systems. It describes its approach as investing early and staying close, and looks for companies that can handle the world's toughest problems. Its third fund is anchored by a €50 million commitment from the European Investment Bank. It works from Berlin, with additional offices in London and Milan.
Past investments
| Company | Round | Date | Round size |
|---|---|---|---|
| Golbriak Space Tallinn, Estonia | Seed | Oct 2026 | €4M |
| HyImpulse Neuenstadt am Kocher, Germany | Series A | Sep 2026 | €50M |