SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
Firefly Aerospace logo Firefly Aerospace Designs and operates small- and medium-lift launch vehicles, lunar landers, and in-space maneuvering vehicles for defense, civil, and commercial space missions. 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-HEAD1 shared sector
Firefly Aerospace Space One
Founded 2014 2018
Headquarters 2203 Scottsdale Dr. Leander, TX 78641 東京都港区芝公園1-2-6 ランドマーク芝公園6F
Type public private
Status operating operating
Employees 800
Total funding $28M
Latest round Series A
Sectors Launch Services, Lunar Services, Space Transportation & Logistics Launch Services, Spaceports & Range Services
Products listed 6 3
Federal contracts
Launches 11 (36%) 3 (0%)
Leaders listed Jason Kim, Darren Ma, Shea Ferring Masakazu Toyoda, Nobuhiro Sekino
News mentions 22 99
SHARED SECTORS
FREQUENTLY ASKED

How do Firefly Aerospace and Space One compare?

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

Which has more launches, Firefly Aerospace or Space One?

Firefly Aerospace leads with 11 tracked launches (36% success rate).

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