Colliers International was founded in Australia by the top professionals in the industry who forsaw the benefits of international expansion to their clients.

1967 – Robert McCuaig & Co formed in Sydney

1968 – McCuaig & Collier join forces in Sydney

1968 – Collier Duncan & Cook form a partnership in Adelaide

1969 – Glynn Lynch & McHarg partner in Melbourne

1976 - Colliers Begins in Australia
Several successful property companies merge and adopt the name of their mentor, Ronald Collier, a Chartered Surveyor who was instrumental in the development of the profession in Australia. The agreement was signed on 27 October at 2.30 p.m.

1978 – Colliers Becomes International
Tony Petty & Associates, based in Hong Kong, joins Colliers, creating Colliers International

1978/79 – New Zealand Coverage Added
Collier Fletcher was formed in New Zealand.

1979 – Singapore Joins Colliers International
Collier Goh & Tan is formed in Singapore.

1980 – Southeast Asia Services Expand
Collier Jordan Lee & Jafaar is formed in Malaysia

1980 – Colliers International Opens office in UK
Colliers Edwards Bigwood & Barclay is formed in the UK

1981 – Coverage Expands to Canada
Macaulay Nicolls Maitland joins Colliers International

1985 – United States Group Adopts Colliers International Name
American Realty Services Group in the United States joins Colliers International and adopts the Colliers name.  

1986 - Asia Pacific Division Grows Stronger
Colliers becomes partners with Jardine Matheson Ltd., a trading company founded in 1832 in China.

1990 – Colliers International Extends to New Boundaries and Emerging Markets
Colliers reconfigures its European coverage by establishing offices throughout the region to join Colliers International whilst exporting or developing talent in the new markets of the former Eastern bloc.

1991 – Colliers Jardine in Asia
The real estate operation of the Jardine Matheson Group merge with the Australian and New Zealand offices of Colliers International to form Colliers Jardine.

1997 – Restructuring For A Truly Integrated Global Service
Colliers Jardine restructured its ownership to give an equal shareholding to the leading North American property services group, Colliers Macualay Nicolls (CMN).

1997 – Colliers International opens its office in Warsaw, Poland

2001 - A Global Leader
For the first time, revenue tops $1 billion. Colliers ranks first in the world in terms of global reach, second largest in revenue, third largest in number of people, and fourth largest in property under management.

2002 - Back to Colliers International
Colliers Macaulay Nicolls Inc ("CMN") acquires an additional 50% interest in Colliers Jardine Holding Ltd., resulting in their full ownership. The new ownership structure will provide our clients with seamless service across the globe.

2004 - First Service becomes major shareholder

2006 - Colliers acquisitions
Colliers becomes largest commercial & residential property firm in Astralaisa with acquisition of PRDnationwide in Australia.
Mortgage Brokerage Services added in the US through acquisition of Cohen Financial
Appraisal services expanded in US through acquisition of PGP

2007 - Hospitality Industry brokerage and research services expanded through acquisition of PKF