Colliers International Group Inc. is a Canada-based diversified professional services and investment management company with approximately 18,000 employees in more than 400 offices in 65 countries. The firm provides services to commercial real estate users, owners, investors and developers; they include consulting, corporate facilities, investment services, landlord and tenant representation, project management, urban planning, property and asset management, and valuation and advisory services. The organization serves the hotel, industrial, mixed-use, office, retail and residential property sectors. The firm has headquarters in Toronto, Ontario. Annual revenues were $4.09 billion in 2021. In June 2015, it was announced that Jay S. Hennick was appointed chairman and chief executive officer. Wikipedia