All Brands Owned by Constellation Software Inc.

Is Constellation Software publicly traded?
Yes. It trades on the Toronto Stock Exchange under ticker CSU. Its subsidiaries Topicus.com and Lumine Group trade on the TSX Venture Exchange under TOI and LMN.

Who founded Constellation Software?
Mark Leonard founded the company in Toronto in 1995 after a career in venture capital. He served as president until September 25, 2025, and remains a board director.

Who runs Constellation Software now?
Mark Miller, formerly chief operating officer and a company veteran of more than 30 years, was appointed president in September 2025. Jamal Baksh serves as chief financial officer, and John Billowits chairs the board.

What does Constellation Software own?
It owns hundreds of vertical market software businesses organized under six operating groups: Volaris, Harris, Jonas, Perseus, Vela, and Topicus, plus listed subsidiaries Topicus.com and Lumine Group.

How does Constellation Software make money?
Primarily through recurring maintenance and support fees from its software portfolio, which generated $8.70 billion of the $11.62 billion FY2025 revenue, plus professional services, licenses, and hardware.