SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Arianespace logo Arianespace Operates Ariane 6 and Vega C launch vehicles from the Guiana Space Centre, serving European institutional and global commercial satellite customers vs Space One Develops and launches the solid-fuel KAIROS small satellite launch vehicle from its private Spaceport Kii facility in southern Japan Space One logo
HEAD-TO-HEAD2 shared sectors
Arianespace Space One
Founded 1980 2018
Headquarters Évry-Courcouronnes, France Japan
Type private private
Status operating operating
Employees 220
Total funding $28M
Latest round Series A
Sectors Launch Services, Spaceports & Range Services Launch Services, Spaceports & Range Services
Products listed 4 3
Federal contracts
Launches 355 (88%) 3 (0%)
Leaders listed David Cavailloles, Caroline Arnoux, Steven Rutgers Masakazu Toyoda, Nobuhiro Sekino
News mentions 0 99
SHARED SECTORS
FREQUENTLY ASKED

How do Arianespace and Space One compare?

Both companies work in Launch Services, Spaceports & Range Services. Arianespace was founded in 1980 and Space One in 2018.

Which has more launches, Arianespace or Space One?

Arianespace leads with 355 tracked launches (88% success rate).

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