SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
EnduroSat logo EnduroSat Designs, builds, and operates software-defined small satellites and shared satellite platforms for commercial and scientific missions worldwide vs Optisys Metal additive manufacturing of monolithic RF antennas and assemblies for aerospace, defense, and space Optisys logo
HEAD-TO-HEAD1 shared sector
EnduroSat Optisys
Founded 2015 2016
Headquarters Sofia, Bulgaria United States
Type private private
Status operating operating
Employees 325
Total funding $181.6M
Latest round Series C
Sectors Satellite Manufacturing, Satellite Components & Subsystems Satellite Components & Subsystems, Space Defense Systems
Products listed 37 6
Federal contracts
Launches
Leaders listed Raycho Raychev, Victor Danchev, Emmanuel Sauzay Janos Opra, Michael Hollenbeck, Robert Smith
News mentions 6 0
SHARED SECTORS
FREQUENTLY ASKED

How do EnduroSat and Optisys compare?

Both companies work in Satellite Components & Subsystems. EnduroSat was founded in 2015 and Optisys in 2016.

Numbers refresh on every render against the live Space Index database. Federal contract data from USAspending.gov; launches from LaunchLibrary2.