Colliers International Group Inc. provides commercial real estate services to corporations, financial institutions, governments, and individuals worldwide. The company's Sales and Lease Brokerage division offers transaction brokerage services, including landlord representation, tenant representation, and capital markets and investment services, as well as property management, leasing, and valuations. This division provides its services for various asset classes, including office, industrial, retail, multi-family, hotel, and mixed-use properties. Its Outsourcing & Advisory Services division offers portfolio management, transaction and project management, workplace solutions, strategic consulting, property and asset management, and other corporate real estate services, as well as lease administration and facilities management systems; and valuation and appraisal review and management, portfolio or single asset valuation, arbitration and consulting, various studies, tax appeals, and litigation support services. This segment also provides property level accounting, tenant service/relations and bidding, awarding and administering subcontracts for management and maintenance, landscaping, security, parking, capital, and tenant improvements services; and bid document review, construction monitoring and delivery management, contract administration and integrated cost control, facility and engineering functionality, milestone and performance monitoring, quality assurance, risk management, and strategic project consulting services. In addition, it offers visioning, change management, and strategic consulting services; property marketing services for commercial and residential projects; and research services for owners and landlords. The company was founded in 1972 and is based in Toronto, Canada.