Odense-based Quadsat, a provider of precise spectrum intelligence and RF geolocation solutions for satcoms and defense, today announced a €5 million extension to its Series A round to enhance capabilities critical for modern battlefield intelligence and electronic warfare.
This extension was 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.
Joakim Espeland, President and Co-founder of Quadsat, said: “Electronic warfare isn’t just critical; it’s an existential necessity in modern defense. This round is about doubling down. We’ve spent the last year deeply embedded in defense needs, refining a technology that pinpoints threats, like the interference of military installations, which is an absolute game-changer in the field.”
Founded in 2017, Quadsat provides advanced spectrum intelligence and RF geolocation solutions for satcoms and defense, designed to secure communications and provide real-time battlefield awareness.
By locating emitters and signal jamming devices, Quadsat enables armed forces to monitor and respond to threats in dynamic operational environments. In both commercial and military, its drone-based, platform agnostic technology looks to redefine how satellite antennas and RF systems are tested and monitored.
These capabilities are increasingly vital for military operations across air, land, sea, cyber, and space domains, known in the defense sector as Multi-Domain Operations.
“Join Capital and North Ventures are on this journey because they see the strategic value in our solution and the vision our team has been pursuing relentlessly,” Espeland added. “In electronic warfare, clarity saves lives. Our drone-agnostic tech is all about turning battlefield chaos into actionable intelligence.”
Its partnership with Skyeton, a UAV provider actively supporting operations in Ukraine, highlights Quadsat’s impact on operational resilience and intelligence-gathering in live conflict scenarios.
“We backed Quadsat because of the clear, strategic edge its RF spectrum monitoring solution delivers,” said Jan Borgstädt, Founding Partner at Join Capital. “From satellite calibration to operational readiness in contested environments, its solution is already proving its value in real-world defense scenarios. We believe Quadsat will define the next generation of spectrum intelligence.”
The global electronic warfare market, driven by increasing geopolitical tensions and rapid technological advancements across the domains of attack, protection and support, is expected to surpass €16.7 billion by 2028, growing 12.5% annually.
Mikkel Rørvig, Partner at North Ventures, commented: “Quadsat is addressing one of the most urgent challenges in today’s connected world – with a truly game-changing solution. Its technology is already delivering real impact, and with global demand accelerating, we see enormous potential in scaling Quadsat internationally. We’re proud to support the team on this journey – alongside the strong co-investors.”
Quadsat will use the funds to expand its commercial reach, accelerate product development specifically targeting defense applications, and significantly grow its presence in key NATO member countries.
Klaus Aude, CCO, Quadsat, concluded: “While the satcoms market remains important for us, we recognise that the defense sector is growing dramatically. The current geopolitical landscape means that defense organisations, more than ever, need solutions that can make the uncertain certain. We have the technology, and this latest investment round will enable us to get it to those actors faster.”
Read the orginal article: https://www.eu-startups.com/2025/07/danish-defensetech-startup-quadsat-e5-million-to-accelerate-electronic-warfare-capabilities/
