Flynn Group of Companies

Get to know the company.

Flynn provides commercial roofing and other building envelope services through a network of Canadian offices. Its Toronto operation is based in Mississauga and lists new roofing, roof repair, waterproofing, alterations, snow removal and preventive maintenance. The group installs built-up, modified bitumen, single-ply, liquid-applied and metal roofing systems. Established in 1978, Flynn also operates cladding and glazing divisions, allowing owners to discuss several exterior building components with the same organization.

Published roofing services.

• New roof installation
• Roof replacement
• Emergency roof repair
• Preventive maintenance
• Waterproofing
• Architectural metal cladding
• Glazing

Roof systems named in the sources

Company history.

Official history says Flynn started in 1978; head office relocated to Toronto in 2005.

Where they work.

Published locations or service coverage: Ontario, British Columbia, Alberta, Saskatchewan, Manitoba, Nova Scotia, Newfoundland and Labrador, New Brunswick.

The profile’s primary location is Mississauga, Ontario. Service coverage does not imply a physical office in every place. Confirm the team and availability for your site.

Association and BBB evidence.

Sources you can check.

Research checked 2026-10-31. Information can change; follow the original sources before relying on a detail for your project.

1. flynncompanies.com/contact-us/flynn-toronto
2. flynncompanies.com/systems
3. flynncompanies.com/our-history
4. flynncompanies.com/contact-us
5. www.bbb.org/ca/on/london/profile/commercial-roofing/flynn-canada-ltd-0187-1069644