5 Largest Companies in Montreal

One of Canada’s biggest cities, this economic hotspot has become a hub for aerospace and tech.

Written by Abel Rodriguez
Published on Apr. 16, 2025
Montreal skyline.
Photo: Shutterstock

Montreal plays host to some of Canada’s largest companies and a key location for international firms. Industries like aerospace, tech and advanced manufacturing have historically benefited from the region’s skilled workforce. Its talent pool combined with its proximity and close ties to the United States have established the region as an important economic center.

Below are some of the largest companies in the Montreal area.

Largest Companies in Montreal

  • Bombardier
  • Air Canada
  • Bell 
  • SharkNinja
  • CGI

Related ResourcesTech & Startup Jobs in Montreal

 

Largest Companies in Montreal

Bombardier is a Canadian aerospace company that manufactures jets. Its products are used by businesses, world governments and private individuals, and the company says it has over  5,000 planes in service.  Besides having its headquarters in Greater Montreal, Bombardier also operates a cockpit and fuselage manufacturing facility in the region. Bombardier is one of the largest employers in Canada with approximately 17,000 employees.

 

Air Canada is a Montreal-headquartered airline operating passenger and cargo flights to and from over 200 global destinations. Founded in 1937, the company is now one of the largest airlines in the world with over 25,000 employees, multiple corporate offices and several airport hubs.

 

Bell is a Quebec-based telecommunications company that has been around since the 1980s. Today, Bell is known for providing customers with mobile, home internet and TV service. Besides selling to individuals, Bell also works with small business and enterprise customers to deliver solutions across areas including broadband internet, cybersecurity and cloud services.

 

SharkNinja is a design and technology company known for producing several popular consumer products. For example, it has manufactured robot vacuum cleaners, air fryers and home-grade ice cream machines. SharkNinja is headquartered in Needham, Massachusetts, but it also operates an office in Montreal.

 

CGI is a Canadian IT and software development company. It provides managed services in cybersecurity, cloud infrastructure and other areas. Additionally, CGI employs software engineers to build custom AI models, supply chain ecosystems and analytics platforms. According to the company, it employs over 90,000 individuals and has a footprint that encompasses more than 400 locations.

 

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