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 most trusted roofer in Sarnia, Ontario is Lambton Developments, with a ProScore of 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.
Trust scores last computed September 19, 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 49 out of 100. 9 are registered with WSIB. 13 have Google reviews on file — 160 reviews in total, and 1 carries a Better Business Bureau rating.
Lambton Developments ranks 1st of the 13 roofers ProScore scores in Sarnia, holding a ProScore of 57 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. Its ProScore has risen since the previous recompute.
Marc Nano Roofing Protection ranks 2nd of the 13 roofers ProScore scores in Sarnia, holding a ProScore of 56 out of 100 (Good tier). Its score draws on 55 Google reviews averaging 5.0 out of 5.
Bullock & Sons Roofing ranks 3rd of the 13 roofers ProScore scores in Sarnia, holding a ProScore of 55 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.
Imperial Roofing (Sarnia) Ltd ranks 4th of the 13 roofers ProScore scores in Sarnia, holding a ProScore of 54 out of 100 (Good tier). Its score draws on 27 Google reviews averaging 4.3 out of 5 and a Better Business Bureau rating of A+. Public records show it is registered with WSIB.
Sarnia Steel Roofing & Siding ranks 5th of the 13 roofers ProScore scores in Sarnia, holding a ProScore of 52 out of 100 (Basic tier). Its score draws on 5 Google reviews averaging 4.2 out of 5.
Cheshire Roofing Sarnia ranks 6th of the 13 roofers ProScore scores in Sarnia, holding a ProScore of 51 out of 100 (Basic tier). Its score draws on 5 Google reviews averaging 4.2 out of 5.
Gallaway Roofing Ltd ranks 7th of the 13 roofers ProScore scores in Sarnia, holding a ProScore of 51 out of 100 (Basic tier). Its score draws on 6 Google reviews averaging 4.3 out of 5. Public records show it is registered with WSIB. Its ProScore has risen since the previous recompute.
Superior Roofing ranks 8th of the 13 roofers ProScore scores in Sarnia, holding a ProScore of 49 out of 100 (Basic tier). Its score draws on 6 Google reviews averaging 5.0 out of 5. Public records show it is registered with WSIB.
Titan Roofing ranks 9th of the 13 roofers ProScore scores in Sarnia, holding a ProScore of 49 out of 100 (Basic tier). Its score draws on 4 Google reviews averaging 3.8 out of 5. Public records show it is registered with WSIB. Its ProScore has risen since the previous recompute.
Ben's Roofing And Repairs ranks 10th of the 13 roofers ProScore scores in Sarnia, holding a ProScore of 48 out of 100 (Basic tier). Its score draws on 10 Google reviews averaging 4.1 out of 5. Public records show it is registered with WSIB.
Steve's Roofing ranks 11th of the 13 roofers ProScore scores in Sarnia, holding a ProScore of 48 out of 100 (Basic tier). Its score draws on 2 Google reviews averaging 5.0 out of 5. Public records show it is registered with WSIB. Its ProScore has risen since the previous recompute.
Sarnia's Bluewater Roofing ranks 12th of the 13 roofers ProScore scores in Sarnia, holding a ProScore of 41 out of 100 (Basic tier). Its score draws on 13 Google reviews averaging 3.5 out of 5. Public records show it is registered with WSIB.
Dupee Roofing Ltd ranks 13th of the 13 roofers ProScore scores in Sarnia, holding a ProScore of 28 out of 100 (Caution tier). Its score 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 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?
Lambton Developments has the highest ProScore (57/100) among 13 roofers in Sarnia, Ontario. Rankings are based on ProScore, which evaluates ratings, government licensing, 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?
Roofers in Ontario should hold valid business registration and active WSIB workers compensation coverage. ProScore verifies these credentials for every provider. Of the top 13 roofers in Sarnia by ProScore, 9 carry active WSIB coverage.
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 September 19, 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+). The top 13 average a ProScore of 49/100, with Lambton Developments leading at 57/100.