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 Open Cosmos Designs, builds, launches, and operates small satellites for Earth observation, telecommunications, navigation, and science missions Open Cosmos logo
HEAD-TO-HEAD1 shared sector
Impulse Space Open Cosmos
Founded 2021 2015
Headquarters Redondo Beach, California Harwell, United Kingdom
Type private private
Status operating operating
Employees 292 177
Total funding $895M $57M
Latest round Series C Series B
Sectors Space Transportation & Logistics, Satellite Manufacturing, Space Propulsion Satellite Manufacturing, Earth Observation & Remote Sensing, Satellite Communications
Products listed 5 4
Federal contracts
Launches
Leaders listed Tom Mueller, Eric Romo, Kevin Miller Rafel Jorda Siquier, Jordi Barrera Ars, Aleix Megias Homar
News mentions 3 15
SHARED SECTORS
FREQUENTLY ASKED

How do Impulse Space and Open Cosmos compare?

Both companies work in Satellite Manufacturing. Impulse Space was founded in 2021 and Open Cosmos in 2015.

Which is larger, Impulse Space or Open Cosmos?

Impulse Space reports the larger workforce, with 292 employees versus 177.

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