Investing in Early-Stage Tech
to Forge Strategic Strongholds.

The next industrial edge isn’t flashy – it’s foundational.
We invest early, stay close and build companies that can handle the world’s toughest problems. If it can’t lead, scale and last, it’s not worth building.

Defence

Space & Aerospace: Developing reusable spacecraft, cutting-edge satellite systems, and next-gen propulsion technologies to position Europe at the forefront of space exploration and security.

Surveillance & Intelligence: Advancing digital twin technology, next-generation surveillance systems, and spacecraft for space security and debris removal, enhancing intelligence and situational awareness.

Enterprise

Quantum & Advanced Computing: Driving innovation in quantum computing, quantum networking, and high-performance computing to enable secure communications and unprecedented computational capabilities

AI & Cybersecurity: Leveraging AI-driven systems for predictive cybersecurity, workplace safety, and informed decision-making to counter evolving threats and strengthen operational resilience.

Industrial

Advanced Materials & Manufacturing: Pushing the boundaries of lightweight materials, integrated photonic circuits, and advanced manufacturing to create stronger, more efficient, and highly capable defence platforms.

Autonomous Systems & Robotics: Innovating in modular robotics, autonomous mobile systems, and unmanned vehicles to enhance automation and operational effectiveness

Here's the latest

20.08.25

Join Capital

20.08.25

Europe’s Three-Year Countdown: From Dependency to Deterrence in a New Age of Threats
Europe is at a decisive moment where it must balance dependency, deterrence and strategic autonomy in a rapidly shifting geopolitical landscape.

Europe’s Three-Year Countdown: From Dependency to Deterrence in a New Age of Threats

31.07.25

Join Capital

Medium

31.07.25

Building a Strategic Edge: How Defense Is Fueling Technological Progress
Join Capital’s Asymmetric Advantage event convened top thinkers from defense, technology, and policy in Berlin to explore how military needs are catalyzing cutting-edge innovation.

Medium

Building a Strategic Edge: How Defense Is Fueling Technological Progress

17.07.25

Join Capital

Tech.eu

17.07.25

Quadsat raises €5M to advance defence-grade RF geolocation technology
Danish precision spectrum intelligence and RF geolocation solutions company Quadsat, has raised a €5 million extension to its Series A round, led by Join Capital and North Ventures, alongside existing investors Seraphim Space Capital, Export and Investment Fund of Denmark (EIFO), Helge Munk Holding and TPC Management.

Tech.eu

Quadsat raises €5M to advance defence-grade RF geolocation technology

15.07.25

Join Capital

Tech.eu

15.07.25

36ZERO Vision raises €3.6M to expand AI visual inspection platform
Visual quality inspection startup 36ZERO Vision has raised €3.6 million pre-Series A funding to expand the reach of its AI-powered vision operating system for manufacturing.

Tech.eu

36ZERO Vision raises €3.6M to expand AI visual inspection platform

04.07.25

Join Capital

Tech.eu

04.07.25

PhotonPath secures €5.1M to power the future of integrated photonics
PhotonPath, a European pioneer in integrated photonics, has raised €5.1 million Series A funding to accelerate the scale-up of manufacturing for its proprietary silicon photonics chipsets and plug-and-play modules.

Tech.eu

PhotonPath secures €5.1M to power the future of integrated photonics