SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
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 Isar Aerospace Designs, manufactures, and operates the Spectrum launch vehicle for dedicated and rideshare small satellite missions from European spaceports Isar Aerospace logo
HEAD-TO-HEAD1 shared sector
Firefly Aerospace Isar Aerospace
Founded 2014 2018
Headquarters Texas Ottobrunn, Germany
Type public private
Status operating operating
Employees 800 400
Total funding $615M
Latest round Convertible Note
Sectors Launch Services, Lunar Services, Space Transportation & Logistics Launch Services
Products listed 6 2
Federal contracts
Launches 11 (36%) 8 (0%)
Leaders listed Jason Kim, Darren Ma, Shea Ferring Daniel Metzler, Josef Fleischmann, Stella Guillen
News mentions 22 0
SHARED SECTORS
FREQUENTLY ASKED

How do Firefly Aerospace and Isar Aerospace compare?

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

Which is larger, Firefly Aerospace or Isar Aerospace?

Firefly Aerospace reports the larger workforce, with 800 employees versus 400.

Which has more launches, Firefly Aerospace or Isar Aerospace?

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.