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 Relativity Space Manufactures reusable medium-to-heavy-lift launch vehicles using large-scale metal 3D printing and autonomous robotics. Relativity Space logo
HEAD-TO-HEAD1 shared sector
Firefly Aerospace Relativity Space
Founded 2014 2015
Headquarters 2203 Scottsdale Dr. Leander, TX 78641 Long Beach, California, USA
Type public private
Status operating operating
Employees 800 1,285
Total funding $1.4B
Latest round Series F
Sectors Launch Services, Lunar Services, Space Transportation & Logistics Launch Services, Space Propulsion
Products listed 6 4
Federal contracts
Launches 11 (36%) 3 (0%)
Leaders listed Jason Kim, Darren Ma, Shea Ferring Eric Schmidt, Maria Seferian, Kevin Wu
News mentions 22 0
SHARED SECTORS
FREQUENTLY ASKED

How do Firefly Aerospace and Relativity Space compare?

Both companies work in Launch Services. Firefly Aerospace was founded in 2014 and Relativity Space in 2015.

Which is larger, Firefly Aerospace or Relativity Space?

Relativity Space reports the larger workforce, with 1,285 employees versus 800.

Which has more launches, Firefly Aerospace or Relativity Space?

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.