Parsimoni

Parsimoni, founded in 2023 and headquartered in Pau, France, develops SpaceOS, a security-first operating system for satellite payload applications built on unikernel architecture. The platform enables developers to build, deploy, and update satellite apps using cloud-style workflows across multiple satellites. Parsimoni's first payload launched in March 2025 on SpaceX Transporter-13, with a second mission launched in March 2026. The company was selected for the Techstars Space Accelerator (Fall 2025) and the Starburst Paris accelerator, and has offices in France and California.