SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
Dawn Aerospace logo Dawn Aerospace Manufactures non-toxic green propulsion systems for satellites and operates reusable suborbital spaceplanes for research and high-speed flight. 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
Dawn Aerospace Sierra Space
Founded 2017 2021
Headquarters Christchurch, New Zealand Louisville, Colorado, USA
Type private private
Status operating operating
Employees 130 1,072
Total funding 22300000 $2.2B
Latest round Series A Series C
Sectors Space Propulsion, Space Transportation & Logistics, Suborbital & High-Altitude Satellite Manufacturing, Space Propulsion, Space Stations & Habitats
Products listed 4 7
Federal contracts — 1 ($6.5M)
Launches — —
Leaders listed Stefan Powell, Jeroen Wink, James Powell Dan Jablonsky, Janet Kavandi, Troy Lahr
News mentions 0 0
SHARED SECTORS
Space Propulsion
FREQUENTLY ASKED

How do Dawn Aerospace and Sierra Space compare?

Both companies work in Space Propulsion. Dawn Aerospace was founded in 2017 and Sierra Space in 2021.

Which is larger, Dawn Aerospace or Sierra Space?

Sierra Space reports the larger workforce, with 1,072 employees versus 130.

Which has more US federal contracts, Dawn Aerospace 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.