SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
Axelspace logo Axelspace Designs, manufactures, and operates microsatellite constellations for Earth observation and provides one-stop satellite mission 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
Axelspace Sierra Space
Founded 2008 2021
Headquarters Nihonbashi, Tokyo Louisville, Colorado, USA
Type public private
Status operating operating
Employees 160 1,072
Total funding $2.2B
Latest round Series C
Sectors Earth Observation & Remote Sensing, Geospatial Intelligence & Analytics, Satellite Manufacturing Satellite Manufacturing, Space Propulsion, Space Stations & Habitats
Products listed 3 7
Federal contracts 1 ($6.5M)
Launches
Leaders listed Yuya Nakamura, Daigo Orihara, Makiko Hamada Dan Jablonsky, Janet Kavandi, Troy Lahr
News mentions 26 0
SHARED SECTORS
FREQUENTLY ASKED

How do Axelspace and Sierra Space compare?

Both companies work in Satellite Manufacturing. Axelspace was founded in 2008 and Sierra Space in 2021.

Which is larger, Axelspace or Sierra Space?

Sierra Space reports the larger workforce, with 1,072 employees versus 160.

Which has more US federal contracts, Axelspace 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.