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 Phase Four Developed electrodeless radio-frequency and multi-mode electric propulsion systems for satellites Phase Four logo
HEAD-TO-HEAD1 shared sector
Dawn Aerospace Phase Four
Founded 2017 2015
Headquarters Christchurch, New Zealand Hawthorne, California, USA
Type private private
Status operating closed
Employees 130 5
Total funding 22300000 $35.8M
Latest round Series A Series C
Sectors Space Propulsion, Space Transportation & Logistics, Suborbital & High-Altitude Space Propulsion, Satellite Components & Subsystems
Products listed 4 4
Federal contracts
Launches
Leaders listed Stefan Powell, Jeroen Wink, James Powell Steve Kiser, M. Umair Siddiqui, Simon Halpern
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Dawn Aerospace and Phase Four compare?

Both companies work in Space Propulsion. Dawn Aerospace was founded in 2017 and Phase Four in 2015.

Which is larger, Dawn Aerospace or Phase Four?

Dawn Aerospace reports the larger workforce, with 130 employees versus 5.

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