SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Capella Space logo Capella Space Designs, manufactures, and operates X-band synthetic aperture radar satellites delivering sub-meter resolution Earth observation imagery in all weather conditions 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
Capella Space Sierra Space
Founded 2016 2021
Headquarters San Francisco, California Louisville, Colorado
Type private private
Status operating operating
Employees 233 1,072
Total funding $239M $2.2B
Latest round Venture Series C
Sectors Earth Observation & Remote Sensing, Geospatial Intelligence & Analytics, Satellite Manufacturing Satellite Manufacturing, Space Propulsion, Space Stations & Habitats
Products listed 5 7
Federal contracts 1 ($6.5M)
Launches
Leaders listed Frank Backes, Matt O'Connell, Jessica Hunter Dan Jablonsky, Janet Kavandi, Troy Lahr
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Capella Space and Sierra Space compare?

Both companies work in Satellite Manufacturing. Capella Space was founded in 2016 and Sierra Space in 2021.

Which is larger, Capella Space or Sierra Space?

Sierra Space reports the larger workforce, with 1,072 employees versus 233.

Which has more US federal contracts, Capella Space 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.