EnduroSat

EnduroSat is a space infrastructure company founded in 2015 and headquartered in Sofia, Bulgaria. It designs, builds and operates nanosatellites and microsatellites for commercial, governmental and scientific missions, and delivers space data services through modular satellite components and end-to-end mission support. The company serves more than 250 clients worldwide.

Its product line covers CubeSat platforms, satellite avionics, communication modules, power systems and solar panels. The components are modular and built for serial production, with avionics units designed for universal compatibility. EnduroSat reports more than 2,500 avionics units in orbit and over 100 satellites delivered to clients. Beyond hardware, it offers mission services that take a concept to orbit in roughly six months.

Technical work spans nanosatellite and microsatellite design and manufacturing, satellite avionics, space communications, spacecraft power systems, solar panels and space data services. The company has downlinked over 500 terabytes of data and frames its purpose as making access to space affordable and straightforward through standardised, modular design. It began in an attic apartment and describes its culture as oriented towards pushing the boundaries of what is possible in space.