Roofers in Sarnia
13 roofers in Sarnia with multi-platform trust scores.
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Who is the best roofer in Sarnia, Ontario?
The highest-scoring roofers in Sarnia on ProScore are Marc Nano Roofing Protection (65/100), Lambton Developments (61/100) and Bullock & Sons Roofing (57/100). ProScore has scored 13 roofers in Sarnia across 10+ data sources and 20+ trust signals. None of the 13 meet the Trusted-tier (70+) threshold yet.
Star ratings alone do not separate them: 4 of the 13 average 4.5 stars or higher on Google, but none reach Trusted (70+). ProScore also weighs government licensing where it applies, WSIB coverage, ratings on other platforms and what customers say in their reviews.
Trust scores last computed between October 13, 2026 and November 1, 2026.
Which roofers in Sarnia score highest?
All 13 scored roofers in Sarnia, ranked by ProScore.
ProScore scores 13 roofers in Sarnia, and their average score is 50 out of 100. 9 are registered with WSIB. 13 have Google reviews on file — 237 reviews in total, and 1 carries a Better Business Bureau rating. Across Ontario, 16% of the roofers ProScore has scored reach the Trusted threshold; at 0%, Sarnia is below the provincial rate.
Marc Nano Roofing Protection responds to calls within 15 minutes and completes same-day repairs, communicates with photos and video updates, and handles jobs with extras like hand-cleaning gutters before installation—a roofer in Sarnia serving customers in English, Filipino, and French, open six days a week.
Marc Nano Roofing Protection ranks 1st of the 13 roofers ProScore scores in Sarnia, holding a ProScore of 65 out of 100 (Good tier). Its score draws on 131 Google reviews averaging 5.0 out of 5.
Lambton Developments is a roofing contractor based in Sarnia that operates on weekdays and offers wheelchair-accessible parking.
Lambton Developments ranks 2nd of the 13 roofers ProScore scores in Sarnia, holding a ProScore of 61 out of 100 (Good tier). Its score draws on 21 Google reviews averaging 4.7 out of 5. Public records show it is registered with WSIB.
Bullock & Sons Roofing operates during weekdays from their Sarnia location and offers wheelchair-accessible parking.
Bullock & Sons Roofing ranks 3rd of the 13 roofers ProScore scores in Sarnia, holding a ProScore of 57 out of 100 (Good tier). Its score draws on 5 Google reviews averaging 5.0 out of 5. Public records show it is registered with WSIB.
The ProScore for Imperial Roofing (Sarnia) Ltd draws on 27 Google reviews averaging 4.3 out of 5 and a Better Business Bureau rating of A+. Public records show Imperial Roofing (Sarnia) Ltd is registered with WSIB.
Gallaway Roofing Ltd is a roofing contractor based in Sarnia that operates weekdays and has wheelchair-accessible parking.
The ProScore for Gallaway Roofing Ltd draws on 6 Google reviews averaging 4.3 out of 5. Public records show Gallaway Roofing Ltd is registered with WSIB.
Sarnia Steel Roofing & Siding provides roofing and siding services in Sarnia, Ontario, with online estimates available.
The ProScore for Sarnia Steel Roofing & Siding draws on 5 Google reviews averaging 4.2 out of 5.
Cheshire Roofing Sarnia operates around the clock and offers online estimates for roofing work in the Sarnia area.
The ProScore for Cheshire Roofing Sarnia draws on 5 Google reviews averaging 4.2 out of 5.
The ProScore for Steve's Roofing draws on 2 Google reviews averaging 5.0 out of 5. Public records show Steve's Roofing is registered with WSIB.
The ProScore for Ben's Roofing And Repairs draws on 10 Google reviews averaging 4.1 out of 5. Public records show Ben's Roofing And Repairs is registered with WSIB.
The ProScore for Titan Roofing draws on 4 Google reviews averaging 3.8 out of 5. Public records show Titan Roofing is registered with WSIB.
The ProScore for Superior Roofing draws on 7 Google reviews averaging 4.4 out of 5. Public records show Superior Roofing is registered with WSIB.
The ProScore for Sarnia's Bluewater Roofing draws on 13 Google reviews averaging 3.5 out of 5. Public records show Sarnia's Bluewater Roofing is registered with WSIB.
The ProScore for Dupee Roofing Ltd draws on 1 Google review averaging 1.0 out of 5.
How is a roofer's ProScore calculated?
Every roofer in Sarnia is evaluated across four pillars: Reputation (ratings across multiple platforms), Verification (government licensing where it applies and WSIB), Transparency (online presence and profile completeness), and Sentiment (AI analysis of customer reviews). The result is a ProScore from 0 to 100.
Read the full methodology →Who are the top 3 roofers in Sarnia?
Browse all roofers in Sarnia →What else should I check before hiring roofers in Sarnia?
Frequently Asked Questions
Who is the best roofer in Sarnia?
Marc Nano Roofing Protection has the highest ProScore (65/100) among 13 roofers in Sarnia, Ontario. Rankings are based on ProScore, which evaluates ratings, government licensing where it applies, WSIB coverage, and AI-analyzed customer sentiment.
How do I find a trustworthy roofer in Sarnia?
Look for roofers with verified active WSIB coverage, and consistent ratings across multiple platforms. ProScore aggregates these signals into a single score from 0-100. In Sarnia, 0 roofers hold Elite-tier ProScores (81+), 0 are Trusted-tier (70+), and 4 are Good-tier (54+).
Are roofers in Sarnia licensed?
Ontario has no provincial licence for roofers. Ask for proof of WSIB coverage and liability insurance, and for any business licence your municipality requires. Of the top 13 roofers in Sarnia by ProScore, 9 are registered with WSIB according to ProScore’s records.
How many roofers has ProScore scored in Sarnia?
ProScore has scored 13 roofers in Sarnia, Ontario. Each provider is evaluated using 10+ data sources, 20+ trust signals, and AI-analyzed customer reviews. Trust scores last computed between October 13, 2026 and November 1, 2026.
What's the ProScore distribution among roofers in Sarnia?
Among 13 roofers in Sarnia, Ontario: 0 are Elite-tier (81+), 0 are Trusted-tier (70+), and 4 are Good-tier (54+). Together they average a ProScore of 50/100, with Marc Nano Roofing Protection leading at 65/100.
How do roofers in Sarnia compare with Ontario as a whole?
0% of the roofers ProScore has scored in Sarnia reach the Trusted tier (70+), against 16% across Ontario as a whole, so Sarnia is below the provincial rate.
Roofers near Sarnia
The nearest Ontario cities with a ProScore page for this trade — a pro based nearby may cover your area.
Other trades in Sarnia
Other trades with a ProScore page in Sarnia, with the number of scored pros in each.