SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
GHGSat logo GHGSat Operates a constellation of high-resolution satellites that detect and measure methane and CO2 emissions from individual industrial facilities vs NorthStar Earth & Space Operates a space-based satellite constellation providing space domain awareness services and Earth observation data for environmental monitoring NorthStar Earth & Space logo
HEAD-TO-HEAD2 shared sectors
GHGSat NorthStar Earth & Space
Founded 2011 2015
Headquarters Montreal, Quebec, Canada Montreal, Quebec, Canada
Type private private
Status operating operating
Employees 150 58
Total funding $145M $134.2M
Latest round Debt Financing Series D
Sectors Earth Observation & Remote Sensing, Geospatial Intelligence & Analytics Space Domain Awareness, Earth Observation & Remote Sensing, Geospatial Intelligence & Analytics
Products listed 7 3
Federal contracts
Launches
Leaders listed Stephane Germain, Emilie Hamel, Jeffrey Kadanoff Stewart Bain, Beth Michelson, Peter Klimas
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do GHGSat and NorthStar Earth & Space compare?

Both companies work in Earth Observation & Remote Sensing, Geospatial Intelligence & Analytics. GHGSat was founded in 2011 and NorthStar Earth & Space in 2015.

Which is larger, GHGSat or NorthStar Earth & Space?

GHGSat reports the larger workforce, with 150 employees versus 58.

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