SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
GalaxySpace logo GalaxySpace Designs, manufactures, and operates LEO broadband communication and remote sensing satellites for constellation deployment and satellite internet services vs Sierra Space Designs and manufactures satellite platforms, reusable spaceplanes, expandable habitats, and propulsion systems for national security and civil space Sierra Space logo
HEAD-TO-HEAD1 shared sector
GalaxySpace Sierra Space
Founded 2018 2021
Headquarters China Louisville, Colorado
Type private private
Status operating operating
Employees 800 1,072
Total funding $1.6B $2.2B
Latest round Series C Series C
Sectors Satellite Manufacturing, Earth Observation & Remote Sensing, Satellite Communications Satellite Manufacturing, Space Propulsion, Space Stations & Habitats
Products listed 5 7
Federal contracts 1 ($6.5M)
Launches
Leaders listed Xu Ming, Liu Chang, Zhu Zhengxian Dan Jablonsky, Janet Kavandi, Troy Lahr
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do GalaxySpace and Sierra Space compare?

Both companies work in Satellite Manufacturing. GalaxySpace was founded in 2018 and Sierra Space in 2021.

Which is larger, GalaxySpace or Sierra Space?

Sierra Space reports the larger workforce, with 1,072 employees versus 800.

Which has more US federal contracts, GalaxySpace or Sierra Space?

Sierra Space has been awarded more, with $6.5M across 1 awards.

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