EnduroSat

EnduroSat is a Sofia-based aerospace company that designs, builds and operates CubeSats and larger nanosatellites, and offers Space-as-a-Service covering design, payload integration, launch and in-orbit operations. Founded in 2015 by CEO Raycho Raychev, it serves commercial, scientific and government customers with modular, software-flexible platforms and a Space Center in Sofia sized for high-rate production of ESPA-class satellites, with offices across Europe and the US. Recent financing includes a Founders Fund-led $49 million round (May 2025), about $104 million in late 2025, and a September 2026 $205 million Late VC / Series E-scale raise led by Riot Ventures and Atreides Management with Lux Capital, Omnes, GV, Founders Fund, EIC, Endeavor Catalyst, Giant Ventures and others to expand satellite manufacturing in Europe and the United States. Sources: Forbes Bulgaria 16 Sep 2026; SpaceNews May 2025; EnduroSat.