History
2010
First Service and Colliers MN gain control of the global Colliers platform. 
The business has more than 15,000 employees in 61 countries with $2 billion in revenue.
Colliers refreshes its visual identity and logo and adopts the tagline "Accelerating success".
2009
Colliers MN operates across 22 offices throughout Canada with more than 1,200 professionals and is the largest commercial real estate firm in Canada.
Colliers International operates in more than 290 offices in 61 countries with more than 11,000 employees.
Colliers enters the residential project marketing and sales business in Canada.
2007
Colliers MN adds MHPM project leaders to the Canadian business.
2006
David Bowden becomes president of Canadian operations.
2005
Colliers MN launches the Global Strategic Plan and incorporates the tagline “Our Knowledge is your Property”.
2004
First Service Real Estate becomes a majority shareholder of Colliers MN, providing equity to expand the business.
2002
Colliers MN acquires the remaining 50% share of Colliers Jardine and the combined group takes on the name Colliers International, although it retains the trading name CMN to distinguish itself from other independent members of the global Colliers network.
Doug Frye becomes CEO of Colliers MN. Frye becomes only the 6th CEO in more than 100 years of operation.
Colliers MN shifts the global head office to Seattle.
1999
Colliers opens an office in London, Ontario.
Colliers opens an office in Kitchener, Ontario. At time of the office opening, there is one employee, John Arnoldi, and no office furniture.
1995
Colliers MN adds new partners in Latin America and continues expansion into Eastern Europe.
Jamie Horne becomes chairman of Colliers MN Canada.
Colliers MN surpasses $100 million in revenue.
1993
Colliers MN acquires Colliers Pierremont in Montreal and rebrands it Colliers International.
1992
Colliers MN expands into Ottawa and acquires the remaining 50% of the Victoria business.
1989
Colliers MN moves into Victoria, acquiring 50% of Realspan Properties (formed in 1975).
CMN now has 450 employees across Canada.
Colliers links offices electronically across the globe.
Colliers MN opens a third Toronto office in Toronto West with Richard Guerts as manager.
1985
September 13 – Toronto firm Leaseco and MNM merge and adopt the name Colliers MN. John McLernon becomes chairman.
1984
MNM and Colliers International form an alliance under the leadership of John McLernon. 
1981
Avtar Bains joins the firm and remains the company’s all-time number one broker by revenue.
1979
The firm reports a revenue of $4.5 million.
1978
MNM opens offices in Seattle. By the end of 1978, MNM has 11 offices and 360 employees in Canada and the U.S.
1977
John McLernon becomes president and chief executive officer of MNM in Vancouver.
1976
Several successful property companies merge and take the name of their mentor, Ronald Collier, a Chartered Surveyor who was instrumental in the development of the profession in Australia.
Colliers Property Consultants rapidly grows throughout the Asia Pacific and Canada on an independently owned, referral network platform.
MNM opens an office in Edmonton, Alberta.
1974
MNM opens an office in Calgary.
Leaseco Realty Inc. is founded in Toronto.
1973
MNM relocates to 200 Granville Street. Colliers Canada HQ remains there to this day.
1966
MNM records an annual after-tax profit of $64,728.
1957
J.P. Nicolls dies at age 87, completing 57 years of service to the firm. Dean Mansell becomes President of MNM. Dean also served on the Canadian Association of Real Estate Boards and as president of the Vancouver Real Estate Board.
1948
J.P. Nicolls’ son, J.P.R. Nicholls, joins the firm at age 21.
1939
Six employees leave Macaulay Nicolls Maitland to join the armed forces. The firm continues to pay 50% of their salary in their absence.
1932
Macaulay dies and J.P. Nicolls becomes the firm’s second president.
Douglas Maitland, aged 16, becomes the first son to work at the firm, earning $35 a month. 
1927
MNM and Company post a profit of $57,000.
1926
The firm incorporates and Charles Macaulay is named its first president.
1922
Ronald Maitland, who joined the firm as a clerk in 1904, becomes a partner and the firm becomes Macaulay Nicolls Maitland (MNM).
1898
Macaulay Nicolls registers in the province of British Columbia, Canada – currently the 13th oldest registered company.
J.P. Nicolls opens bank account #8 with Royal Bank of Canada for the firm.