SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
Space One logo Space One Develops and launches the solid-fuel KAIROS small satellite launch vehicle from its private Spaceport Kii facility in southern Japan vs SpinLaunch Builds kinetic launch systems using ground-based centrifuges and develops the Meridian LEO broadband constellation for enterprise communications SpinLaunch logo
HEAD-TO-HEAD1 shared sector
Space One SpinLaunch
Founded 2018 2014
Headquarters 東京都港区芝公園1-2-6 ランドマーク芝公園6F Long Beach, CA
Type private private
Status operating operating
Employees 27
Total funding $28M $249M
Latest round Series A Series C
Sectors Launch Services, Spaceports & Range Services Launch Services, Satellite Communications, Satellite Manufacturing
Products listed 3 4
Federal contracts
Launches 3 (0%)
Leaders listed Masakazu Toyoda, Nobuhiro Sekino Massimiliano Ladovaz, David Wrenn
News mentions 99 16
SHARED SECTORS
FREQUENTLY ASKED

How do Space One and SpinLaunch compare?

Both companies work in Launch Services. Space One was founded in 2018 and SpinLaunch in 2014.

Which has more launches, Space One or SpinLaunch?

Space One leads with 3 tracked launches (0% success rate).

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