SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
Sierra Space logo Sierra Space Designs and manufactures satellite platforms, reusable spaceplanes, expandable habitats, and propulsion systems for national security and civil space vs Synspective Develops and operates small SAR satellites and provides Earth observation data and analytics for disaster response, national security, and environmental monitoring Synspective logo
HEAD-TO-HEAD1 shared sector
Sierra Space Synspective
Founded 2021 2018
Headquarters Louisville, Colorado, USA Tokyo, Japan
Type private public
Status operating operating
Employees 1,072 192
Total funding $2.2B
Latest round Series C
Sectors Satellite Manufacturing, Space Propulsion, Space Stations & Habitats Earth Observation & Remote Sensing, Geospatial Intelligence & Analytics, Satellite Manufacturing
Products listed 7 7
Federal contracts 1 ($6.5M)
Launches
Leaders listed Dan Jablonsky, Janet Kavandi, Troy Lahr Motoyuki Arai, Toshihiro Obata, Atsushi Shito
News mentions 0 1
SHARED SECTORS
FREQUENTLY ASKED

How do Sierra Space and Synspective compare?

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

Which is larger, Sierra Space or Synspective?

Sierra Space reports the larger workforce, with 1,072 employees versus 192.

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

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.