SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Impulse Space logo Impulse Space Designs and operates orbital transfer vehicles that move payloads between orbits using high-thrust chemical propulsion, delivering to GEO in under a day vs Innospace Hybrid rocket-powered small satellite launch vehicles delivering low-cost, customized rapid access to sun-synchronous and low Earth orbit Innospace logo
HEAD-TO-HEAD1 shared sector
Impulse Space Innospace
Founded 2021 2017
Headquarters Redondo Beach, California South Korea
Type private public
Status operating operating
Employees 292 55
Total funding $895M $38.8M
Latest round Series C Post-IPO Equity
Sectors Space Transportation & Logistics, Satellite Manufacturing, Space Propulsion Launch Services, Space Propulsion
Products listed 5 5
Federal contracts
Launches 4 (25%)
Leaders listed Tom Mueller, Eric Romo, Kevin Miller Soo-Jong Kim, Hun Jung, Chan Jung Kim
News mentions 3 0
SHARED SECTORS
FREQUENTLY ASKED

How do Impulse Space and Innospace compare?

Both companies work in Space Propulsion. Impulse Space was founded in 2021 and Innospace in 2017.

Which is larger, Impulse Space or Innospace?

Impulse Space reports the larger workforce, with 292 employees versus 55.

Which has more launches, Impulse Space or Innospace?

Innospace leads with 4 tracked launches (25% success rate).

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