Ontario · Canada
Compare 10 roofing companies, explore their services, and prepare a clearer project brief before asking for quotes.
Mississauga buyers can compare repair specialists, full exterior contractors and companies advertising metal-roof supply or installation. Those service models are different. A leak diagnosis needs an explanation of the defect and repair area; a metal replacement needs a specification for the whole assembly; a combined exterior renovation needs clear boundaries between trades. Use the listed services to create a focused shortlist, then ask each business which parts of the project its own team will handle and which will be subcontracted.
10Companies to compare
3List commercial work
4List flat-roof work
Service counts describe this directory’s listings. They do not measure the whole local market or certify a company’s qualifications.
Listed alphabetically, with service information to help you build a shortlist. Company website links are provided for direct enquiries; confirm the proposed work and current credentials with each business.
The company’s own website highlights roof replacement, commercial roofing and metal roofing. Ask how the quote handles drainage, penetrations and existing membrane condition. Confirm whether insulation or deck repairs are included before comparing totals.
Service summary informed by the company’s own website, checked Oct 15, 2026.
Include Coverall Roofing in your enquiries when comparing flat roofing and commercial roofing. Request an assessment of the existing roof structure and ventilation, and compare like-for-like restoration with any proposed change of material.
The company’s own website highlights roof repairs, roof replacement and commercial roofing. Request an assessment of the existing roof structure and ventilation, and compare like-for-like restoration with any proposed change of material.
Service summary informed by the company’s own website, checked Oct 15, 2026.
The company’s own website highlights siding and gutter services. Request dated damage photographs and a repair scope that distinguishes storm-related work from pre-existing wear. Agree how additional findings will be approved.
Service summary informed by the company’s own website, checked Oct 15, 2026.
The company’s own website highlights metal roofing. Compare panel or shingle profiles, attachment details, flashing and finish warranties. Ask how the proposed assembly handles roof penetrations and transitions.
Service summary informed by the company’s own website, checked Oct 15, 2026.
The company’s own website highlights metal roofing. Ask for comparable restoration projects and a written plan for reusing sound materials, matching visible details and protecting adjacent roof areas.
Service summary informed by the company’s own website, checked Oct 15, 2026.
The company’s own website highlights metal roofing. Compare panel or shingle profiles, attachment details, flashing and finish warranties. Ask how the proposed assembly handles roof penetrations and transitions.
Service summary informed by the company’s own website, checked Oct 15, 2026.
The company’s own website highlights roof repairs, roof replacement and siding. Clarify the boundary between roofing and exterior work, including flashing, gutters and cleanup, so a combined proposal can be compared with separate trade quotes.
Service summary informed by the company’s own website, checked Oct 15, 2026.
Include Roho Roofing in your enquiries when comparing new roof and roof repair. Ask how the quote handles drainage, penetrations and existing membrane condition. Confirm whether insulation or deck repairs are included before comparing totals.
The company’s own website highlights commercial roofing and residential roofing. Clarify the boundary between roofing and exterior work, including flashing, gutters and cleanup, so a combined proposal can be compared with separate trade quotes.
Service summary informed by the company’s own website, checked Oct 15, 2026.
If you are comparing metal and asphalt proposals, keep the alternatives separate instead of treating them as interchangeable prices. Ask for product names, flashing details and a description of the existing roof preparation. For commercial flat roofs, include equipment access and any known drainage history in the request. A repair quote should identify how the leak was traced and what follow-up is included. Where siding or eavestroughs are proposed, request separate line items so the roof portion can be compared fairly.
Send the same information to the contractors you shortlist. Ask each to identify included roof areas, material specifications, exclusions, supervision and the process for approving additional work. Our roofing quote comparison checklist covers the details to compare side by side.
Use the project considerations above as your starting brief. Ask for an inspection-led recommendation with photographs, a defined scope and a clear explanation of any alternative. Compare the reasons for the work as carefully as the final price.
This is an alphabetical comparison guide, not a ranking or a guarantee. Use the listed services and contractor websites to investigate suitability, then check current references, insurance and applicable credentials before choosing a company.
3 of these companies list commercial work and 3 list residential work in the source data. Confirm experience with your exact roof assembly and building type, because a broad service category does not describe every project a company can undertake.
B2B Roofing Sales writes the project guidance and comparison notes on this page. Contractor information references Roofs.wiki’s Mississauga roofing directory and company websites. Editorial additions are identified on their listings and cite the company directly. The directory data is checked twice daily.
Additional hiring reference: National Roofing Contractors Association — Selecting a Contractor. Listings do not imply that B2B Roofing Sales has inspected or certified the contractor’s work.