SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
European Space Agency logo European Space Agency Intergovernmental agency coordinating European space programs across science, Earth observation, navigation, telecommunications, and human spaceflight vs HEO Provides on-demand non-Earth imagery and intelligence on satellites and space objects using a distributed network of space-based sensors and proprietary inspection software HEO logo
HEAD-TO-HEAD1 shared sector
European Space Agency HEO
Founded 1975 2016
Headquarters Paris, France Sydney, Australia
Type government private
Status operating operating
Employees 3,739 42
Total funding $7.8M
Latest round Series A
Sectors Planetary Exploration, Earth Observation & Remote Sensing, Launch Services, Navigation & Positioning, Satellite Communications Space Domain Awareness, Earth Observation & Remote Sensing, In-Orbit Servicing & Assembly
Products listed 8 5
Federal contracts
Launches
Leaders listed Josef Aschbacher, Dietmar Pilz, Toni Tolker-Nielsen Dr. Will Crowe, Dr. Hiranya Jayakody, Nate Notargiacomo
News mentions 14 0
SHARED SECTORS
FREQUENTLY ASKED

How do European Space Agency and HEO compare?

Both companies work in Earth Observation & Remote Sensing. European Space Agency was founded in 1975 and HEO in 2016.

Which is larger, European Space Agency or HEO?

European Space Agency reports the larger workforce, with 3,739 employees versus 42.

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