IBM International Business Machines Corporation (using the trademark IBM), nicknamed Big Blue, is an American Multinational corporation, multinational technology company headquartered in Armonk, New York, and present in over 175 countries. It is ...

Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...

's head offices are currently located in

Markham, Ontario Markham () is a city in Regional Municipality of York, York Region, Ontario, Canada. It is approximately northeast of Downtown Toronto. In the Canada 2021 Census, 2021 Census, Markham had a population of 338,503, which ranked it the largest in ...

and have been there since the early 1980s. The current building IBM occupies is located at 8200 Warden Avenue and shared with existing tenant

IBM Toronto Software Lab The IBM Toronto Software Lab is the largest software development laboratory in Canada and IBM's third largest software lab. Established in 1967 with 55 employees, the Toronto Lab, now located in Markham has grown to employ 2,500 people. These em ...

in 2001. Head office is being moved from 3600

Steeles Avenue Steeles Avenue is an east–west street that stretches across the western and central Greater Toronto Area in Ontario, Canada. Running from Appleby Line in Milton in the west to the Scarborough-Pickering Townline in the east, where it continue ...

East, which was sold in August 2024 and was completed in 1995. IBM Canada's previous head office was located across the street at 3500 Steeles Avenue East (now Liberty Centre, Markham). The building rises from four floors on the west to seven floors at the east side. There is an underground ramp that is accessible from the left-most lane on east-bound Steeles Avenue that provides access to the building's parking area at the rear.

Former head offices 1920-1980s

Prior to the 1980s, IBM Canada was located in a sprawling complex at Don Mills Road and Eglinton Avenue East. There are two main buildings at this site. The building located at 844

Don Mills Road Don Mills Road is a north-south route in Toronto, Ontario, Canada, passing through the former cities of East York and North York. It begins at O'Connor Drive near ramps to the Don Valley Parkway, and ends at John Street in Markham, where its ...

was IBM's Canada manufacturing plant and head office and opened in 1951. After many additions to this building a second building on this site opened in 1967 (1150

Eglinton Avenue Eglinton Avenue is a major east–west Arterial road, arterial thoroughfare in Toronto and Mississauga in the Canadian province of Ontario. The street begins at Ontario Highway 407, Highway 407 (but does not interchange with the tollway) at the w ...

East) which became the head office and software research lab. When IBM Canada's head offices relocated to

from

Don Mills Don Mills is a mixed-use neighbourhood in Toronto, Ontario, Canada. It was developed in the 1950s and 1960s to be a self-supporting "new town" and was at the time located outside Toronto proper in the suburb of North York. Consisting of residenti ...

, their old site continued to operate as a manufacturing and research facility. Both facilities are now owned and operated by

Celestica Celestica Inc. is a Canadian multinational design, manufacturing, hardware platform, and supply chain electronics manufacturing services (EMS) company headquartered in Toronto, Ontario. The company operates in 50 sites across 15 countries. ...

, an electronics manufacturing service provider and former IBM subsidiary, as its global corporate headquarters. The Don Mills building was demolished in 2020 to pave way for major redevelopment near the transit station. Prior to 1951, IBM Canada offices were located on 300 Campbell Avenue and Dupont Street in the city of Toronto's west end. The plant is now home to Wayspa's Canadian operations (as 298 Campbell Avenue). During this period, and well into the 1950s, the company also maintained a downtown office suite located on King Street East immediately opposite the entrance to the famous "King Eddie" Hotel.

References

{{Structures in Markham IBM facilities Buildings and structures in Markham, Ontario Headquarters in Canada Office buildings completed in 1995