Overview
EnduroSat is a privately held space company (satellites) headquartered in Sofia, Bulgaria, founded in 2015. It is not listed on a stock exchange; total disclosed funding is ~$360m.
Sofia-based maker of small satellites and space-as-a-service — from CubeSat platforms to ESPA-class (200–500 kg) satellites on its FRAME line. It has launched 103 satellites and delivered more than 200. In September 2026 it raised $205m — the largest round for a Bulgarian company — to build US production and a new EU space and defence hub.
Funding history
SpaceCAPEX coverage
4 articles
European satellites: the capacity is there, demand and launch are not
Europe builds satellites for whole constellations, yet Starlink has seven times more in orbit than the entire continent. In 2025 Europe launched 7 rockets; the US launched 193.
Who pays EnduroSat: contracts and deals
| Date | Type | Counterparty | Value | Source |
|---|---|---|---|---|
| Sep 2026 | Equity | Riot Ventures, Atreides Management (+ EIC, GV, Founders Fund) | $205m | |
| Sep 2026 | Contract | Arianespace — launch memorandum | — | |
| Oct 2025 | Equity | Round to scale up production | $104m | |
| May 2025 | Equity | Founders Fund (lead) | €43m |
Is EnduroSat publicly traded?
No. EnduroSat is a private company and its shares are not traded on a stock exchange.
Where is EnduroSat based?
EnduroSat is headquartered in Sofia, Bulgaria. The company was founded in 2015.
How much funding has EnduroSat raised?
EnduroSat has disclosed ~$360m in total funding across 3 rounds. The most recent is Riot Ventures, Atreides Management (+ EIC, GV, Founders Fund) (Sep 2026, $205m).