Roofers in St. Catharines
24 roofers in St. Catharines with multi-platform trust scores.
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Who is the best roofer in St. Catharines, Ontario?
The most trusted roofer in St. Catharines, Ontario is LM Exteriors, with a ProScore of 65/100. ProScore has scored 24 roofers in St. Catharines across 10+ data sources and 20+ trust signals. None of the 24 meet the Trusted-tier (70+) threshold yet.
Trust scores last computed between August 30, 2026 and September 19, 2026.
Which roofers in St. Catharines score highest?
All 24 scored roofers in St. Catharines, ranked by ProScore.
ProScore scores 24 roofers in St. Catharines, and their average score is 53 out of 100. 24 have Google reviews on file — 696 reviews in total, and 5 carry a Better Business Bureau rating.
LM Exteriors ranks 1st of the 24 roofers ProScore scores in St. Catharines, holding a ProScore of 65 out of 100 (Good tier). Its score draws on 80 Google reviews averaging 4.9 out of 5 and 24 reviews on other major review platforms.
Niagara RoofMasters | Roofing St. Catharines ranks 2nd of the 24 roofers ProScore scores in St. Catharines, holding a ProScore of 62 out of 100 (Good tier). Its score draws on 73 Google reviews averaging 4.8 out of 5.
AJT Roofing and Contracting ranks 3rd of the 24 roofers ProScore scores in St. Catharines, holding a ProScore of 61 out of 100 (Good tier). Its score draws on 190 Google reviews averaging 4.9 out of 5 and a Better Business Bureau rating of A+.
Vassa Metal Roofing ranks 4th of the 24 roofers ProScore scores in St. Catharines, holding a ProScore of 61 out of 100 (Good tier). Its score draws on 6 Google reviews averaging 5.0 out of 5 and 77 reviews on other major review platforms.
Blampin Roof Tops ranks 5th of the 24 roofers ProScore scores in St. Catharines, holding a ProScore of 59 out of 100 (Good tier). Its score draws on 22 Google reviews averaging 4.8 out of 5 and a Better Business Bureau rating of A+.
JD Roofing Inc. ranks 6th of the 24 roofers ProScore scores in St. Catharines, holding a ProScore of 59 out of 100 (Good tier). Its score draws on 89 Google reviews averaging 4.9 out of 5 and 8 reviews on other major review platforms. Its ProScore has risen since the previous recompute.
Skyway Roofing ranks 7th of the 24 roofers ProScore scores in St. Catharines, holding a ProScore of 59 out of 100 (Good tier). Its score draws on 25 Google reviews averaging 5.0 out of 5 and a Better Business Bureau rating of A+.
Ace 1 Quality Roofing | Siding, Eavestroughs, Roofing - St. Catharines ranks 8th of the 24 roofers ProScore scores in St. Catharines, holding a ProScore of 58 out of 100 (Good tier). Its score draws on 10 Google reviews averaging 5.0 out of 5 and a Better Business Bureau rating of A+. Its ProScore has risen since the previous recompute.
4wards Exteriors Inc | Siding, Eavestrough & Roofing | Windows & Doors ranks 9th of the 24 roofers ProScore scores in St. Catharines, holding a ProScore of 56 out of 100 (Good tier). Its score draws on 28 Google reviews averaging 4.7 out of 5 and a Better Business Bureau rating of A+.
Easy Roofing St. Catharines ranks 10th of the 24 roofers ProScore scores in St. Catharines, holding a ProScore of 56 out of 100 (Good tier). Its score draws on 32 Google reviews averaging 4.9 out of 5. Its ProScore has risen since the previous recompute.
Garden City Roofing ranks 11th of the 24 roofers ProScore scores in St. Catharines, holding a ProScore of 56 out of 100 (Good tier). Its score draws on 24 Google reviews averaging 4.6 out of 5. Its ProScore has risen since the previous recompute.
R&S Roofing And Siding Inc. ranks 12th of the 24 roofers ProScore scores in St. Catharines, holding a ProScore of 55 out of 100 (Good tier). Its score draws on 25 Google reviews averaging 4.8 out of 5. Its ProScore has risen since the previous recompute.
Lodde Roofing ranks 13th of the 24 roofers ProScore scores in St. Catharines, holding a ProScore of 54 out of 100 (Good tier). Its score draws on 31 Google reviews averaging 4.2 out of 5.
Campbell Roofing & Siding ranks 14th of the 24 roofers ProScore scores in St. Catharines, holding a ProScore of 52 out of 100 (Basic tier). Its score draws on 4 Google reviews averaging 5.0 out of 5.
Valleyridge Contracting ranks 15th of the 24 roofers ProScore scores in St. Catharines, holding a ProScore of 51 out of 100 (Basic tier). Its score draws on 17 Google reviews averaging 5.0 out of 5.
Videl Roofing Inc. ranks 16th of the 24 roofers ProScore scores in St. Catharines, holding a ProScore of 51 out of 100 (Basic tier). Its score draws on 3 Google reviews averaging 5.0 out of 5.
Metal Roofing by Hindrea ranks 17th of the 24 roofers ProScore scores in St. Catharines, holding a ProScore of 49 out of 100 (Basic tier). Its score draws on 2 Google reviews averaging 5.0 out of 5. Its ProScore has risen since the previous recompute.
TS Metal Roofing ranks 18th of the 24 roofers ProScore scores in St. Catharines, holding a ProScore of 49 out of 100 (Basic tier). Its score draws on 1 Google review averaging 5.0 out of 5.
Earl Contracting Corporation ranks 19th of the 24 roofers ProScore scores in St. Catharines, holding a ProScore of 48 out of 100 (Basic tier). Its score draws on 2 Google reviews averaging 5.0 out of 5. Its ProScore has risen since the previous recompute.
Roofing Guaranteed Inc ranks 20th of the 24 roofers ProScore scores in St. Catharines, holding a ProScore of 45 out of 100 (Basic tier). Its score draws on 17 Google reviews averaging 4.1 out of 5.
Precision Roofing-Quality Extrrs ranks 21st of the 24 roofers ProScore scores in St. Catharines, holding a ProScore of 44 out of 100 (Basic tier). Its score draws on 3 Google reviews averaging 5.0 out of 5.
Respectable Roofers Inc ranks 22nd of the 24 roofers ProScore scores in St. Catharines, holding a ProScore of 43 out of 100 (Basic tier). Its score draws on 2 Google reviews averaging 5.0 out of 5.
Christensen Ed Roofing Limited ranks 23rd of the 24 roofers ProScore scores in St. Catharines, holding a ProScore of 42 out of 100 (Basic tier). Its score draws on 7 Google reviews averaging 3.9 out of 5. Its ProScore has risen since the previous recompute.
AR Malton Roofing & Restorations ranks 24th of the 24 roofers ProScore scores in St. Catharines, holding a ProScore of 38 out of 100 (Basic tier). Its score draws on 3 Google reviews averaging 2.7 out of 5.
How is a roofer's ProScore calculated?
Every roofer in St. Catharines 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 St. Catharines?
What else should I check before hiring roofers in St. Catharines?
Frequently Asked Questions
Who is the best roofer in St. Catharines?
LM Exteriors has the highest ProScore (65/100) among 24 roofers in St. Catharines, 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 St. Catharines?
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 St. Catharines, 0 roofers hold Elite-tier ProScores (81+), 0 are Trusted-tier (70+), and 13 are Good-tier (54+).
Are roofers in St. Catharines 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 24 roofers in St. Catharines by ProScore, 0 carry active WSIB coverage.
How many roofers has ProScore scored in St. Catharines?
ProScore has scored 24 roofers in St. Catharines, Ontario. Each provider is evaluated using 10+ data sources, 20+ trust signals, and AI-analyzed customer reviews. Trust scores last computed between August 30, 2026 and September 19, 2026.
What's the ProScore distribution among roofers in St. Catharines?
Among 24 roofers in St. Catharines, Ontario: 0 are Elite-tier (81+), 0 are Trusted-tier (70+), and 13 are Good-tier (54+). The top 24 average a ProScore of 53/100, with LM Exteriors leading at 65/100.