Constellation Software

Constellation Software Inc.
Company typePublic
IndustryIT services
Founded1995 (1995)
FoundersMark Leonard
Headquarters,
Area served
Worldwide
Key people
  • Mark Leonard (President and Chairman)
  • Jamal Baksh (Chief Financial Officer)
  • Mark Miller (Chief Operating Officer)
ServicesCustom Computer Programming Services
RevenueUS$8.407 billion (2023)
US$62 millions (2023)
Total assetsUS$10.899 billion (2023)
Total equityUS$1.961 billion (2023)
Number of employees
56,000
Websitewww.csisoftware.com

Constellation Software is a Canadian diversified software company. It is based in Toronto, Canada, is listed on the Toronto Stock Exchange, and is a constituent of the S&P/TSX 60.

The company was founded by Mark Leonard, a former venture capitalist, in 1995. It went public in 2006, and now has over 56,000 employees spread over six operating segments.