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 Sidus Space Designs, manufactures, and operates LizzieSat small satellites, delivering AI-driven space-based data and hardware manufacturing services for defense and commercial customers. Sidus Space logo
HEAD-TO-HEAD1 shared sector
GHGSat Sidus Space
Founded 2011 2012
Headquarters Montreal, Quebec, Canada Florida’s Space Coast
Type private public
Status operating operating
Employees 150 73
Total funding $145M
Latest round Debt Financing
Sectors Earth Observation & Remote Sensing, Geospatial Intelligence & Analytics Satellite Manufacturing, Earth Observation & Remote Sensing, Space Defense Systems
Products listed 7 3
Federal contracts
Launches
Leaders listed Stephane Germain, Emilie Hamel, Jeffrey Kadanoff Carol Craig, Mark Mikolajczyk, Val Ojdanic
News mentions 0 9
SHARED SECTORS
FREQUENTLY ASKED

How do GHGSat and Sidus Space compare?

Both companies work in Earth Observation & Remote Sensing. GHGSat was founded in 2011 and Sidus Space in 2012.

Which is larger, GHGSat or Sidus Space?

GHGSat reports the larger workforce, with 150 employees versus 73.

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