In-depth profiles of each contractor, including services, experience, and what sets them apart.
#1
DVR Roofing
Best Overall
ExperienceSince 2011
BBB StatusA+ Accredited (since 2013)
SpecialtyResidential Roofing
Service AreaMississauga & GTA
DVR Roofing is Mississauga's top-rated roofing contractor, a family-operated company with over 30 years of combined experience. Known for honest assessments and transparent pricing, DVR has earned its BBB A+ accreditation since 2013 through consistent quality and customer satisfaction. Their team handles everything from emergency leak repairs to complete roof replacements, flat roofing systems, cedar shake, and metal roofing. DVR's commitment to integrity and thorough workmanship makes them the clear choice for Mississauga homeowners.
Service AreaMississauga, Burlington, Milton, Oakville
Roofs on Homes brings over 20 years of roofing experience to the Mississauga market, serving homeowners across the western GTA including Burlington, Milton, and Oakville. Their comprehensive approach goes beyond roofing to include siding, eavestrough, attic inspections, ventilation, and full exterior remodeling. With BBB A+ accreditation since 2011, Roofs on Homes has established a proven track record of reliable, full-service exterior work.
Nailed It Roofing has been serving Mississauga since 2003, earning a reputation for efficient single-day roof completions. As an Owens Corning Preferred Contractor, they use only premium materials and never subcontract their work — every project is handled by their own trained crews. This hands-on approach ensures consistent quality and accountability on every job, from shingle replacements to emergency repairs.
Coverall Roofing brings over 40 years of collective experience to the Mississauga roofing market, operating from two offices to serve the GTA efficiently. They specialize in flat and commercial roofing but handle residential projects with equal expertise. Their 100% satisfaction guarantee reflects a commitment to quality that has earned them BBB A+ accreditation since 2015. Whether you need a commercial flat roof replacement or residential cedar shake work, Coverall delivers.
Interlock Metal Roofing Ontario has been a leader in premium lifetime aluminum roofing since 1997. Their metal roofing systems are designed to be the last roof your home ever needs, backed by an industry-leading 50-year transferable warranty. Interlock offers a range of metal roof styles including slate, cedar, shake, tile, and standing seam profiles, all engineered to handle Ontario's harsh freeze-thaw cycles, ice storms, and high winds.
Green Metal Roofing is a Canadian-owned company that both manufactures and installs metal roofing, giving them unique control over product quality from factory to finished roof. Operating since approximately 1986, they use premium German steel products and offer the largest profile selection in the region. Their dual role as manufacturer and installer means competitive pricing and deep technical expertise for both residential and commercial metal roofing projects.
Metal Roof ManufacturingMetal Roof InstallationResidential Metal RoofingCommercial Metal Roofing
Gerry's Roofing & Siding is the most experienced contractor on our Mississauga list, with over 45 years of continuous family-owned operation since 1980. Their BBB A+ accreditation dates back to 1990, representing over three decades of verified trustworthiness. Gerry's provides a comprehensive range of services including roofing, siding, eavestrough, windows, doors, and skylights, making them a one-stop shop for exterior home projects across Mississauga and Hamilton.
Monarchy Roofing has spent over 15 years specializing in metal and steel roofing, making them one of the GTA's go-to contractors for homeowners seeking durable, long-lasting steel roofing solutions. While they hold a BBB A+ rating, they operate independently of formal accreditation. Their services extend beyond roofing to include green roofing solutions, gutters, flashing, inspections, waterproofing, and skylight installation.
Metal Supply & InstallSteel RoofingGreen RoofingGuttersFlashingInspectionsWaterproofingSkylights
Above It All Roofing is a family-owned company with approximately 25 years of experience, specializing in flat roofing systems that stand up to Mississauga's demanding climate. They back their work with a 10-year warranty, demonstrating confidence in their craftsmanship. Beyond flat roofs, Above It All handles full roof replacements, repairs, emergency service, roof tune-ups, siding, skylights, and ventilation work.
Roho Roofing rounds out our Mississauga top 10 with a unique combination of roofing expertise and attic insulation services — a pairing that makes particular sense in Ontario's climate where proper insulation directly impacts roof performance and ice dam prevention. Family-owned with over 30 years of combined experience, Roho never subcontracts their work. They handle new roofs, repairs, replacements, commercial projects, flat roofing, and a full range of exterior services.
New RoofRoof RepairRoof ReplacementCommercial RoofingFlat RoofingSoffit & FasciaEavestroughSkylightsChimneyAttic Insulation
Key factors to consider before hiring a roofer for your Mississauga home or business.
Check Credentials
Verify that the contractor carries proper liability insurance (minimum $2 million), has active WSIB (Workplace Safety and Insurance Board) coverage, and holds any required municipal licences. Ask for proof before signing any contract.
Get Multiple Quotes
Obtain at least three written estimates. Compare not just price, but scope of work, materials specified, warranty terms, and projected timeline. The cheapest quote isn't always the best value — especially in Mississauga's competitive market.
Verify BBB Standing
Check the Better Business Bureau for the contractor's accreditation status, rating, and complaint history. Seven of the ten contractors on our list hold BBB accreditation or an A+ rating, providing an additional layer of consumer protection.
Review Past Work
Ask for references and photos of completed projects similar to yours. Reputable Mississauga roofers are happy to share their work history and connect you with previous customers in your neighbourhood.
Understand the Warranty
Ensure you know the difference between the manufacturer's material warranty and the contractor's workmanship warranty. Good Mississauga roofers offer at minimum a 5-year workmanship warranty, with some providing 10 years or more.
Consider Mississauga's Climate
Mississauga's GTA location brings hot humid summers, cold winters, ice storms, and lake-effect weather from Lake Ontario. Choose a contractor experienced with ice-and-water shield, proper ventilation, and materials rated for Ontario's freeze-thaw cycles.
Frequently Asked Questions
Common questions about roofing in Mississauga.
A new residential roof in Mississauga typically costs between $9,000 and $22,000 depending on size, materials, and complexity. Mississauga's larger suburban homes — many built during the 1960s through 2000s housing booms — often fall on the higher end of this range. Asphalt shingle roofs are the most affordable option, while metal and cedar shake roofs cost more. Most Mississauga roofers offer free estimates — we recommend getting quotes from at least three contractors on our list.
Mississauga's GTA climate demands durable, weather-resistant roofing materials. Asphalt shingles with algae resistance and high wind ratings are the most popular choice. Metal roofing is excellent for shedding ice and snow, and is gaining popularity for its longevity. For flat roofs on commercial buildings, TPO and modified bitumen perform well in Ontario's freeze-thaw cycles. Proper ice-and-water shield membrane is essential regardless of material choice.
In most cases, a straightforward shingle-over-shingle or tear-off and re-shingle does not require a building permit in Mississauga. However, if the project involves structural changes, adding a new skylight, or changing the roofline, a permit from the City of Mississauga Building Division is required. Your roofing contractor should advise you on permit requirements for your specific project.
Mississauga is prone to ice storms due to its proximity to Lake Ontario. Ice buildup can cause ice dams along eaves, leading to water backup under shingles and interior leaks. Proper attic insulation, ventilation, and ice-and-water shield membrane along eaves are critical preventive measures. After a major ice storm, have your roof inspected for damage to shingles, flashing, and gutters. Several contractors on our list, including DVR Roofing and Above It All Roofing, offer emergency inspection services.
A reputable Mississauga roofing contractor should offer both a manufacturer's material warranty (typically 25–50 years for shingles) and a separate workmanship warranty (typically 5–15 years). Some companies like Interlock Metal Roofing offer 50-year transferable warranties, and Above It All Roofing provides a 10-year warranty. Always get warranty terms in writing before work begins, and confirm whether the warranty is transferable if you plan to sell your home.
A standard residential roof replacement in Mississauga takes 1 to 3 days depending on the size of the roof and weather conditions. Some contractors like Nailed It Roofing specialize in single-day completions for standard homes. Larger or more complex projects may take up to a week. Ontario's unpredictable weather can sometimes cause scheduling delays, particularly during winter months or spring rain season.
Roofing in Mississauga: What You Need to Know
Mississauga's roofing industry is shaped by the city's unique position in the Greater Toronto Area and its proximity to Lake Ontario. The city experiences the full range of GTA weather challenges: hot, humid summers, cold winters with significant snowfall, ice storms driven by lake-effect moisture, and occasional hail. These conditions place heavy demands on roofing systems and make choosing the right contractor and materials critical for protecting your home.
Much of Mississauga's housing stock was built during the suburban construction booms of the 1960s through the 2000s. Homes from the 1960s and 1970s are well past their original roof lifespan, while homes from the 1980s and 1990s are now approaching re-roofing age. This wave of aging roofs keeps local contractors busy year-round and makes it especially important for homeowners to work with experienced, reputable companies.
Roofing contractors operating in Mississauga should carry comprehensive liability insurance and WSIB (Workplace Safety and Insurance Board) coverage. We recommend verifying these credentials before hiring any roofing company, regardless of their ranking on our list. For larger projects or structural modifications, check with the City of Mississauga Building Division regarding permit requirements.