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

03.10.25

Join Capital

Medium

03.10.25

Finding the Signal in the Noise: Why Quadsat Matters
In today’s world, the spectrum is “contested and congested”. The rapid expansion of satcom networks — from Starlink to Amazon’s Project Kuiper — is crowding the skies.

Medium

Finding the Signal in the Noise: Why Quadsat Matters

19.09.25

Join Capital

Bloomberg News

19.09.25

NATO Fund, Join Capital Taps Spanish Startup for Satellite Investment
The NATO Innovation Fund and Join Capital will both become investors in Kreios Space, which is seeking to create satellites that can operate in so-called very low orbits, according to a statement from NIF. The funds are among a group of investors injecting €8 million in a seed round.

Bloomberg News

NATO Fund, Join Capital Taps Spanish Startup for Satellite Investment

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