SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Aerospacelab logo Aerospacelab Designs and manufactures satellite platforms, subsystems, and Earth observation payloads for LEO constellations, from 50 kg to 5,000 kg vs Phase Four Developed electrodeless radio-frequency and multi-mode electric propulsion systems for satellites Phase Four logo
HEAD-TO-HEAD1 shared sector
Aerospacelab Phase Four
Founded 2018 2015
Headquarters Mont-Saint-Guibert, Belgium Hawthorne, California
Type private private
Status operating closed
Employees 400 5
Total funding $167.3M $35.8M
Latest round Series B Series C
Sectors Satellite Manufacturing, Earth Observation & Remote Sensing, Satellite Components & Subsystems Space Propulsion, Satellite Components & Subsystems
Products listed 6 4
Federal contracts
Launches
Leaders listed Benoit Deper, Tina Ghataore, Michael Pavloff Steve Kiser, M. Umair Siddiqui, Simon Halpern
News mentions 12 0
SHARED SECTORS
FREQUENTLY ASKED

How do Aerospacelab and Phase Four compare?

Both companies work in Satellite Components & Subsystems. Aerospacelab was founded in 2018 and Phase Four in 2015.

Which is larger, Aerospacelab or Phase Four?

Aerospacelab reports the larger workforce, with 400 employees versus 5.

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