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