Colliers International Group, Inc. engages in the provision of commercial real estate services to corporate and institutional clients. The firm primarily offers outsourcing and advisory services, lease brokerage, and sales brokerage. Read More It operates through the following geographical segments: Americas, EMEA, Asia Pacific, and Corporate. The Corporate segment includes the costs of global administrative functions and corporate head office. The company was founded on July 31, 1988 and is headquartered in Toronto, Canada. The listed name for CIGI is Colliers International Group Inc. Subordinate Voting Shares.