Constellation Origin Story
Founded in 1995 by Mark Leonard, Constellation Software (CSI) began with a unique vision: to acquire, manage, and build market-leading vertical market software businesses for the long term.

“permanent capital vehicle for the vertical market software industry, where you didn’t have to buy & sell a company you could keep it forever and build real businesses that last a lifetime.”
Mark Leonard, President & CEO
TSX: CSU
Constellation Software Inc.
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Latest Press Releases
A Different Kind of Holdco
Unlike private equity firms that buy to sell, Constellation buys to hold forever. This "permanent capital" approach allows us to make decisions that are right for the long term, not just the next quarter.
The Power of Compounding
By reinvesting free cash flow back into acquisitions of high-quality VMS businesses, CSI has created a compounding machine that has delivered exceptional returns for shareholders over decades.
Harris as a Pioneer
Harris was one of the foundational operating groups within Constellation, establishing the blueprint for the decentralized, autonomous structure that drives CSI's success today.