Why we invested in Eos Space Technology

Eos Space Technology is building the electric thruster the in-orbit economy has been missing: a thruster with no wall to wear out, built for satellites that are expected to keep working, moving and being serviced for years.

Eos Space Technology has developed a new kind of electric thruster that removes the main reason these engines wear out. In a conventional Hall-effect thruster, the most widely flown design, plasma is confined inside a ceramic channel that ions slowly sputter away, and that erosion caps the thruster’s life. Eos’s design creates and accelerates the plasma beyond its own structure, so there is no channel to destroy. The result is a compact, easy-to-integrate propulsion unit for small satellites and in-orbit servicing vehicles, with the endurance for missions measured in years. That changes what a small spacecraft can be asked to do.

Eos arrives just as the industry needs it. Spacecraft are increasingly being designed to rendezvous, refuel, extend the life of other satellites and clear debris. Constellations must hold position for years, and regulators now expect operators to deorbit within five years of end of mission. All of this depends on propulsion, and electric propulsion is the natural choice because it needs a fraction of the propellant of chemical engines. Its limit has always been endurance, and that limit hits hardest in small thrusters, where the channel wall is most exposed and the fixes used on larger engines are hardest to apply. That is exactly where the market is growing, and it is exactly the problem Eos was built to solve.

This is the kind of company we started Evercurious to back. Eos solves a constraint at the level of physics rather than working around it, which gives it a deep and lasting technical moat. Its position as a supplier lets servicing companies and satellite builders put an Eos thruster at the heart of their spacecraft instead of building their own. And Eos is opening an engineering base in Athens, giving Greek engineers the chance to build flight hardware for an international space company from here. We’re proud to be investing alongside Hypernova Fund and Antler Korea.

Above all, we invested in the people. Szymon, Mohamed and Thomas are among the most specialised founding teams we have met. All three hold PhDs in electric propulsion, and they have developed and tested Eos’s technology at the Surrey Space Centre, one of Europe’s leading small-satellite research centres. They combine rare scientific depth with a clear commercial vision, and we believe they are building what will become the standard engine for a serviceable space economy.