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 Orbital Sidekick Operates a constellation of hyperspectral imaging satellites and delivers spectral intelligence for energy, mining, agriculture, and defense monitoring Orbital Sidekick logo
HEAD-TO-HEAD2 shared sectors
GHGSat Orbital Sidekick
Founded 2011 2016
Headquarters Montreal, Canada San Francisco, California
Type private private
Status operating operating
Employees 150 24
Total funding $145M $55.4M
Latest round Debt Venture
Sectors Earth Observation & Remote Sensing, Geospatial Intelligence & Analytics Earth Observation & Remote Sensing, Geospatial Intelligence & Analytics, Satellite Manufacturing
Products listed 7 4
Federal contracts
Launches
Leaders listed Stephane Germain, Emilie Hamel, Jeffrey Kadanoff Dan Katz, Tushar Prabhakar, Spencer Hill
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do GHGSat and Orbital Sidekick compare?

Both companies work in Earth Observation & Remote Sensing, Geospatial Intelligence & Analytics. GHGSat was founded in 2011 and Orbital Sidekick in 2016.

Which is larger, GHGSat or Orbital Sidekick?

GHGSat reports the larger workforce, with 150 employees versus 24.

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