Constellation Software Inc., together with its subsidiaries, acquires, builds, and manages vertical market software businesses in Canada, the United States, Europe, and internationally. It provides mission critical software solutions for public and private sector markets. The company is also involved in the software licensing; and sale of third-party hardware. In addition, it offers professional, and maintenance and other recurring services. Constellation Software Inc. was incorporated in 1995 and is headquartered in Toronto, Canada.