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Roofing · Mississauga, ONLast reviewed October 2026

10 Best Roofing Companies in Mississauga, ON (2026)

TenBestFind ranks 10 roofing companies in Mississauga, ON. Each company was checked against the criteria set out under How we chose. Each entry below says why the company was picked and what to weigh before hiring. Marcus Reed last reviewed the list on October 14, 2026.

Lifetime Metal Roof, Coverall Roofing, Olympia Roofing and Country Roofing lead our 2026 list of Mississauga roofers, all rated 4.8 or higher on Google with at least 50 reviews. Olympia has the biggest review count at 445, Lifetime Metal Roof is the pick for full metal replacements, and Nailed It holds the most manufacturer certifications.

The Ranking

Our top 10 roofing companies in Mississauga

Mississauga roofs take a lot of weather. Freeze and thaw cycles in winter push water under shingles, ice dams form along eaves after heavy snow, and summer storms test flashing around chimneys and skylights. Most of the housing stock in Cooksville, Erin Mills, Streetsville and Meadowvale is asphalt shingle, with flat sections over additions and townhouse blocks, so the list below mixes shingle specialists, one metal-only contractor and a few crews that handle flat roofing too. Ontario does not licence roofers at the provincial level, so a licence is not the thing to ask for. Ask instead for proof of WSIB clearance, proof of liability insurance, a written estimate that names the materials, and the manufacturer warranty terms in writing. A roofer who hesitates on any of these is worth passing over, however good the reviews look.

Showing 10 of 10
  1. 01

    Best for full metal roof replacements

    Lifetime Metal Roof Inc

    4.9(82 Google reviews)
    Best forFull metal roof replacements
    In businessNot listed
    Warranty55-year warranty on materials and workmanship, advertised as transferable, with a warranty certificate issued when the installation is complete.
    EmergencyNot listed

    Why we picked them

    Rated 4.9 from 82 Google reviews and ranked second in Maps, a metal-only specialist advertising a 55-year transferable warranty.

    What we like

    • Metal-only specialist with three house product lines
    • 55-year transferable warranty advertised
    • Reviewers report one-day installs and tidy cleanup

    Things to consider

    • Site gives no founding year, owners, WSIB or insurance details.

    Services

    • Roof replacement
    • Metal roofing
    Key details
    Best for
    Full metal roof replacements
    Service area
    Mississauga
    Address
    720 Burnhamthorpe Rd W #5
    Warranty
    55-year warranty on materials and workmanship, advertised as transferable, with a warranty certificate issued when the installation is complete.
    Credentials
    Licensed and insured (stated on company website, no policy details given)
  2. 02

    Best for shingle and flat roof replacements with a free written quote

    Coverall Roofing - Mississauga

    4.9(86 Google reviews)
    Best forShingle and flat roof replacements with a free written quote
    In businessNot listed
    WarrantyWarranty on labour and a written guarantee, plus a 100% satisfaction guarantee, per the company website. Duration is not stated; ask for it in writing.
    EmergencyNot listed

    Why we picked them

    Rated 4.9 from 86 Google reviews, third in Google Maps, with free written quotes and reviewers consistently praising punctuality and cleanup.

    What we like

    • Punctual crews and tidy cleanups praised by reviewers
    • Free written quotes with a detailed price breakdown
    • WSIB and BBB badges shown on its site

    Things to consider

    • No warranty length or founding year stated, and the phone is shared with its Toronto office.

    Services

    • Roof repair
    • Roof replacement
    • Roof inspection
    • Flat roofing
    Key details
    Best for
    Shingle and flat roof replacements with a free written quote
    Service area
    Mississauga
    Address
    2465 Cawthra Rd Unit 131
    Warranty
    Warranty on labour and a written guarantee, plus a 100% satisfaction guarantee, per the company website. Duration is not stated; ask for it in writing.
    Credentials
    WSIB insured (badge shown on website)
  3. 03

    Best for homeowners who want photo updates during a roof replacement

    Olympia Roofing INC

    5.0(445 Google reviews)
    Best forHomeowners who want photo updates during a roof replacement
    In businessNot listed
    WarrantyNot listed
    EmergencyNot listed

    Why we picked them

    A 5.0 from 445 Google reviews, with reviewers repeatedly crediting Fabio for real-time photo updates on roof replacements.

    What we like

    • Fabio sends real-time job photos
    • Clean job sites and thorough clean-up
    • Clear, no-pressure estimates

    Things to consider

    • Website states no warranty, WSIB, insurance details or certifications.

    Services

    • Roof repair
    • Roof replacement
    • Roof inspection
    • Flat roofing
    • Storm damage repair
    Key details
    Best for
    Homeowners who want photo updates during a roof replacement
    Service area
    Mississauga
    Address
    65 Trailwood Dr #121
  4. 04

    Best for shingle replacement and leak repair with a 10-year workmanship warranty

    Country Roofing Inc.

    5.0(70 Google reviews)
    Best forShingle replacement and leak repair with a 10-year workmanship warranty
    In business10 years
    Warranty10-year workmanship warranty, plus GAF manufacturer warranties on asphalt shingles described as transferable.
    EmergencyAvailable

    Why we picked them

    Country Roofing Inc. is a family-owned, GAF certified Cooksville roofer rated 5.0 from 70 Google reviews, with a 10-year workmanship warranty.

    What we like

    • Perfect 5.0 from 70 Google reviews
    • GAF certified installer with its own 10-year workmanship warranty
    • Reviewers cite clear explanations, fair quotes and clean job sites

    Things to consider

    • Website names no owner or crew, and praise centres on one estimator, Blaz.

    Services

    • Roof repair
    • Roof replacement
    • Roof inspection
    • Metal roofing
    • Flat roofing
    Key details
    Best for
    Shingle replacement and leak repair with a 10-year workmanship warranty
    Service area
    Mississauga
    Address
    2110 Munden Rd
    Years in business
    10 years
    Warranty
    10-year workmanship warranty, plus GAF manufacturer warranties on asphalt shingles described as transferable.
    Emergency service
    Available
    Financing
    Available
    Credentials
    GAF Certified Installer
  5. 05

    Best for roof and eavestrough work with fast response

    Real Blue Roofing Services Inc

    4.9(333 Google reviews)
    Best forRoof and eavestrough work with fast response
    In businessNot listed
    WarrantyInstalls to manufacturer guidelines, registers the manufacturer warranty for the homeowner and emails the warranty documents after full payment.
    EmergencyAvailable

    Why we picked them

    Real Blue Roofing Services Inc holds 4.9 from 333 Google reviews and is an Owens Corning preferred and VELUX certified installer with emergency repairs.

    What we like

    • Fast replies, with repairs booked within a day or two
    • Owens Corning preferred and VELUX certified installer
    • One crew handles roof, gutters and siding

    Things to consider

    • Website says nothing about WSIB or insurance, and one reviewer found the quote high.

    Services

    • Roof repair
    • Roof replacement
    • Roof inspection
    • Metal roofing
    • Flat roofing
    • Storm damage repair
    Key details
    Best for
    Roof and eavestrough work with fast response
    Service area
    Mississauga
    Address
    2255 Dundas St W
    Warranty
    Installs to manufacturer guidelines, registers the manufacturer warranty for the homeowner and emails the warranty documents after full payment.
    Emergency service
    Available
    Financing
    Available
    Credentials
    Owens Corning Preferred Contractor
  6. 06

    Best for metal-only roof replacements

    MROOF - Metal Roofing

    5.0(133 Google reviews)
    Best forHomeowners replacing a roof with steel panels or metal tile
    In businessNot listed
    WarrantyTransferable MROOF workmanship warranty plus a manufacturer finish warranty of 30 to 50 years depending on coating. Confirm exact terms in the written quote.
    EmergencyNot listed

    Why we picked them

    5.0 stars from 133 Google reviews, and a metal-only specialist whose reviewers describe full roofs done in under two days.

    What we like

    • Metal-only crews finishing whole roofs in one to two days
    • Founder Viktor does drone-based estimates himself
    • Clean job sites and quick answers, per reviewers

    Things to consider

    • Short public track record, with installs dated from 2024, and the warranty is quoted two ways.

    Services

    • Roof repair
    • Roof replacement
    • Metal roofing
    Key details
    Best for
    Homeowners replacing a roof with steel panels or metal tile
    Service area
    Mississauga
    Address
    1368 Blundell Rd, Mississauga, ON
    Warranty
    Transferable MROOF workmanship warranty plus a manufacturer finish warranty of 30 to 50 years depending on coating. Confirm exact terms in the written quote.
    Credentials
    WSIB coverage for all crew members, clearance certificate on request
  7. 07

    Best for roof, skylight and eavestrough work from one crew

    Nailed It Roofing & Construction Ltd.

    4.8(284 Google reviews)
    Best forRoof, skylight and eavestrough work from one crew
    In business23 years
    WarrantyExtended GAF and CertainTeed manufacturer warranties are available through its Master Elite and ShingleMaster status. The site does not state durations, so ask for the terms in writing.
    EmergencyAvailable

    Why we picked them

    4.8 stars from 284 Google reviews, and a GAF Master Elite roofer with its own metal works crew.

    What we like

    • GAF Master Elite plus CertainTeed and VELUX certifications
    • In-house metal works crew for eavestroughs and soffit
    • Reviewers praise clear quotes and tidy job sites

    Things to consider

    • Website publishes no pricing or warranty durations, so confirm both in writing.

    Services

    • Roof repair
    • Roof replacement
    • Roof inspection
    • Metal roofing
    • Flat roofing
    • Storm damage repair
    Key details
    Best for
    Roof, skylight and eavestrough work from one crew
    Service area
    Mississauga
    Address
    4141 Sladeview Crescent Unit 16
    Years in business
    23 years
    Warranty
    Extended GAF and CertainTeed manufacturer warranties are available through its Master Elite and ShingleMaster status. The site does not state durations, so ask for the terms in writing.
    Emergency service
    Available
    Financing
    Available
    Credentials
    GAF Master Elite Contractor
  8. 08

    Best for shingle repairs and replacements with an owner-led quote

    Quality Home Roofing and Remodeling

    4.8(68 Google reviews)
    Best forShingle repairs and replacements with an owner-led quote
    In business25 years
    Warranty10 year labor warranty on new shingle installations, 8 year labor warranty on flat roofs, materials covered by the manufacturer warranty, optional 50 year manufacturer warranty from CertainTeed and GAF. Repairs are not warrantied.
    EmergencyAvailable

    Why we picked them

    4.8 from 68 Google reviews with CertainTeed and GAF certification and owner-led quotes.

    What we like

    • Owner Yuriy quotes and explains options himself
    • Storm repair done before the next snowfall
    • Roof replaced in one day, site cleaned

    Things to consider

    • Website shows no WSIB or insurance proof, and repairs carry no warranty.

    Services

    • Roof repair
    • Roof replacement
    • Flat roofing
    Key details
    Best for
    Shingle repairs and replacements with an owner-led quote
    Service area
    Mississauga
    Address
    2330 A Stanfield Rd
    Years in business
    25 years
    Warranty
    10 year labor warranty on new shingle installations, 8 year labor warranty on flat roofs, materials covered by the manufacturer warranty, optional 50 year manufacturer warranty from CertainTeed and GAF. Repairs are not warrantied.
    Emergency service
    Available
    Credentials
    Certified Master Shingler Installer
  9. 09

    Best for standing seam and tile steel roofs

    Monarchy Roofing

    4.9(70 Google reviews)
    Best forStanding seam and tile steel roofs
    In businessNot listed
    WarrantyThe site states a 30 to 50 year warranty on metal roofing; provider and terms are not published, so ask for them in writing.
    EmergencyNot listed

    Why we picked them

    Monarchy Roofing holds 4.9 from 70 Google reviews and is an official Ruukki steel roofing distributor with consistent praise for quotes and cleanup.

    What we like

    • Kevin gives fast, detailed, fair quotes
    • Crew cleans up every night and finishes on schedule
    • Official Ruukki and S-5! distributor with free estimates

    Things to consider

    • One reviewer waited from March to July while materials were ordered.

    Services

    • Roof replacement
    • Metal roofing
    • Flat roofing
    Key details
    Best for
    Standing seam and tile steel roofs
    Service area
    Mississauga
    Address
    3073 Jarrow Ave
    Warranty
    The site states a 30 to 50 year warranty on metal roofing; provider and terms are not published, so ask for them in writing.
    Credentials
    WSIB Ontario
  10. 10

    Best for flat roof repairs and commercial roofing

    Gentech Roofing

    4.9(51 Google reviews)
    Best forFlat roof repairs and commercial roofing
    In businessNot listed
    WarrantyEdge-to-Edge warranties in 5, 10, 15 and 20 year terms; coverage details provided on request.
    EmergencyAvailable

    Why we picked them

    4.9 stars from 51 Google reviews, with a family-run Dundas Street East office and GAF, IKO and Polyglass credentials.

    What we like

    • Office staff praised for fast replies and updates
    • GAF, IKO and Polyglass credentials
    • Drone inspections and thermal scans offered

    Things to consider

    • Mostly commercial flat roofing, and warranty terms are not published.

    Services

    • Roof repair
    • Roof replacement
    • Roof inspection
    • Flat roofing
    Key details
    Best for
    Flat roof repairs and commercial roofing
    Service area
    Mississauga
    Address
    1590 Dundas Street East, Unit B6
    Warranty
    Edge-to-Edge warranties in 5, 10, 15 and 20 year terms; coverage details provided on request.
    Emergency service
    Available
    Credentials
    GAF Certified Roofing Contractor

Side by Side

Compare the top roofing companies in Mississauga

Ranking position reflects our editorial review, not customer ratings.

Editorial comparison of the 10 ranked companies. Customer ratings, where shown, come from the source named on each company profile.
RankCompanyBest forKey servicesService areaGoogle ratingEmergencyProfile
01Lifetime Metal Roof IncFull metal roof replacementsRoof replacement, Metal roofingMississauga4.9(82)Not listedView
02Coverall Roofing - MississaugaShingle and flat roof replacements with a free written quoteRoof repair, Roof replacement, Roof inspectionMississauga4.9(86)Not listedView
03Olympia Roofing INCHomeowners who want photo updates during a roof replacementRoof repair, Roof replacement, Roof inspectionMississauga5.0(445)Not listedView
04Country Roofing Inc.Shingle replacement and leak repair with a 10-year workmanship warrantyRoof repair, Roof replacement, Roof inspectionMississauga5.0(70)YesView
05Real Blue Roofing Services IncRoof and eavestrough work with fast responseRoof repair, Roof replacement, Roof inspectionMississauga4.9(333)YesView
06MROOF - Metal RoofingHomeowners replacing a roof with steel panels or metal tileRoof repair, Roof replacement, Metal roofingMississauga5.0(133)Not listedView
07Nailed It Roofing & Construction Ltd.Roof, skylight and eavestrough work from one crewRoof repair, Roof replacement, Roof inspectionMississauga4.8(284)YesView
08Quality Home Roofing and RemodelingShingle repairs and replacements with an owner-led quoteRoof repair, Roof replacement, Flat roofingMississauga4.8(68)YesView
09Monarchy RoofingStanding seam and tile steel roofsRoof replacement, Metal roofing, Flat roofingMississauga4.9(70)Not listedView
10Gentech RoofingFlat roof repairs and commercial roofingRoof repair, Roof replacement, Roof inspectionMississauga4.9(51)YesView

Coverage

Roofing companies serving Mississauga and nearby areas

Most companies in this ranking work across Ontario and the surrounding suburbs. Coverage and travel fees vary, so confirm your address is inside the service area before scheduling.

  • Mississauga

Nearby rankings

Service coverage across Mississauga. Individual company areas are listed on each profile.

Methodology

How we chose the best roofing companies in Mississauga

Every company here was checked for an operating Google listing, a rating of 4.5 or higher, at least 50 Google reviews, a real website and a Mississauga address. We removed listings that looked like mailbox suites, home addresses, template lead-generation sites or companies based in another city. The order follows Google Maps results for roofing in Mississauga, pulled on October 14, 2026 through DataForSEO, among the companies that passed. No company paid for a place on this list. Ratings and review counts were read on the same date and will change.

Read our full ranking methodology
Evaluated10
Ranked10

Hiring

How to choose a roofing company in Mississauga

  1. Verify insurance and credentials

    Ask for a current certificate of insurance and confirm registration or licensing with the authority that issues it, not with the company.

  2. Ask for a written estimate

    Scope, materials, removal, disposal and who pulls the permit should all be named on the page rather than agreed on the doorstep.

  3. Compare multiple quotes

    Two or three bids on the same scope. A number far below the others usually means something has been left out of it.

  4. Understand the warranty

    Separate the manufacturer's warranty on materials from the company's own warranty on the work, and get both in writing.

  5. Ask who performs the work

    Find out whether the crew are employees or subcontractors, and who supervises them on the day.

  6. Check recent local projects

    Ask for addresses or photographs of comparable jobs finished nearby in the last year or two.

  7. Avoid high-pressure sales

    A discount that expires today, or a knock on the door after a storm, is a reason to slow down rather than sign.

  8. Get everything in writing

    Change orders, timeline and payment schedule included, before the first payment changes hands.

Questions to ask before hiring

0 of 10 asked

Red flags

  • No verifiable local business address or registration
  • Pressure to sign on the first visit
  • A demand for full payment up front
  • An offer to cover or waive your insurance deductible
  • Refusal to put warranty terms in writing
  • A quote that will not itemize scope

Keep Going

Related home services in Mississauga

Roofing guides for Mississauga homeowners

FAQ

Roofing companies in Mississauga FAQs

Do roofers in Mississauga need a licence?

No, Ontario does not issue a provincial roofing licence. Ask any roofer for proof of WSIB clearance, proof of liability insurance, a written estimate that names the materials, and the manufacturer warranty terms. A business licence from the city is not a measure of roofing skill.

How long does a roof last in the Mississauga climate?

An asphalt shingle roof usually lasts 15 to 25 years here, and metal often lasts several decades longer. Freeze and thaw cycles, ice dams and summer storms wear flashing and shingles faster than age alone, so an inspection every few years and after severe storms helps catch small leaks early.

How were these Mississauga roofing companies chosen?

Each company had a rating of 4.5 or higher on Google, at least 50 reviews, a real website and a Mississauga address. The order follows Google Maps results on October 14, 2026 among the companies that passed, and no company paid for placement.

Editorial Record

About this ranking

Originally published
October 2026
Last reviewed
October 2026
Reviewed by
Marcus Reed, Expert reviewer, exteriors and structure
Companies evaluated
10

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