Join Capital Fund III

Invests in early-stage deeptech startups across Europe developing technologies with critical capabilities in defence, dual-use, security and space, focusing on founders whose technologies create an asymmetric advantage.

Join Capital is a Berlin-based early-stage venture capital firm focused on deeptech and strategic technologies, especially in defense, security, industrial, enterprise, and space. It typically backs companies in Europe and leads or co-leads seed and Series A rounds with relatively concentrated ownership targets.