SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
GHGSat logo GHGSat Operates a constellation of high-resolution satellites that detect and measure methane and CO2 emissions from individual industrial facilities vs PierSight Builds and operates a constellation of SAR and AIS satellites for persistent maritime surveillance and ocean monitoring PierSight logo
HEAD-TO-HEAD2 shared sectors
GHGSat PierSight
Founded 2011 2023
Headquarters Montreal, Canada Ahmedabad, India
Type private private
Status operating operating
Employees 150 49
Total funding $145M $8M
Latest round Debt Seed
Sectors Earth Observation & Remote Sensing, Geospatial Intelligence & Analytics Earth Observation & Remote Sensing, Geospatial Intelligence & Analytics, Satellite Manufacturing
Products listed 7 3
Federal contracts
Launches
Leaders listed Stephane Germain, Emilie Hamel, Jeffrey Kadanoff Gaurav Seth, Obulreddy Bogireddy, Abhishek Parikh
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do GHGSat and PierSight compare?

Both companies work in Earth Observation & Remote Sensing, Geospatial Intelligence & Analytics. GHGSat was founded in 2011 and PierSight in 2023.

Which is larger, GHGSat or PierSight?

GHGSat reports the larger workforce, with 150 employees versus 49.

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