Roofers in Waterloo
9 roofers in Waterloo with multi-platform trust scores.
Loading roofers...
Who is the best roofer in Waterloo, Ontario?
The most trusted roofer in Waterloo, Ontario is William's United Roofing, with a ProScore of 66/100. ProScore has scored 9 roofers in Waterloo across 10+ data sources and 20+ trust signals. None of the 9 meet the Trusted-tier (70+) threshold yet.
Trust scores last computed September 19, 2026.
Which roofers in Waterloo score highest?
All 9 scored roofers in Waterloo, ranked by ProScore.
ProScore scores 9 roofers in Waterloo, and their average score is 51 out of 100. 4 are registered with WSIB. 9 have Google reviews on file — 194 reviews in total, and 2 carry a Better Business Bureau rating.
William's United Roofing ranks 1st of the 9 roofers ProScore scores in Waterloo, holding a ProScore of 66 out of 100 (Good tier). Its score draws on 68 Google reviews averaging 4.9 out of 5. Public records show it is registered with WSIB.
Garcia Roofing Ltd. ranks 2nd of the 9 roofers ProScore scores in Waterloo, holding a ProScore of 61 out of 100 (Good tier). Its score draws on 36 Google reviews averaging 4.8 out of 5. Public records show it is registered with WSIB.
Reuter Roofing ranks 3rd of the 9 roofers ProScore scores in Waterloo, holding a ProScore of 58 out of 100 (Good tier). Its score draws on 64 Google reviews averaging 4.2 out of 5 and a Better Business Bureau rating of A+. Public records show it is registered with WSIB.
Custom Contracting Roofing & Eavestrough Repair Waterloo ranks 4th of the 9 roofers ProScore scores in Waterloo, holding a ProScore of 55 out of 100 (Good tier). Its score draws on 13 Google reviews averaging 4.7 out of 5. Its ProScore has risen since the previous recompute.
Sapphire Roofing Waterloo ranks 5th of the 9 roofers ProScore scores in Waterloo, holding a ProScore of 51 out of 100 (Basic tier). Its score draws on 1 Google review averaging 5.0 out of 5. Its ProScore has risen since the previous recompute.
Doctor Roof Ltd. ranks 6th of the 9 roofers ProScore scores in Waterloo, holding a ProScore of 45 out of 100 (Basic tier). Its score draws on 2 Google reviews averaging 5.0 out of 5 and a Better Business Bureau rating of A+. Its ProScore has risen since the previous recompute.
Kingsley Roofing ranks 7th of the 9 roofers ProScore scores in Waterloo, holding a ProScore of 44 out of 100 (Basic tier). Its score draws on 2 Google reviews averaging 3.0 out of 5.
All Pro Roofing & SheetMetal Ltd. ranks 8th of the 9 roofers ProScore scores in Waterloo, holding a ProScore of 41 out of 100 (Basic tier). Its score draws on 2 Google reviews averaging 3.0 out of 5. Its ProScore has risen since the previous recompute.
Louis-Z Contracting Inc. ranks 9th of the 9 roofers ProScore scores in Waterloo, holding a ProScore of 38 out of 100 (Basic tier). Its score draws on 6 Google reviews averaging 3.7 out of 5. Public records show it is registered with WSIB.
How is a roofer's ProScore calculated?
Every roofer in Waterloo 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 Waterloo?
Browse all roofers in Waterloo →What else should I check before hiring roofers in Waterloo?
Frequently Asked Questions
Who is the best roofer in Waterloo?
William's United Roofing has the highest ProScore (66/100) among 9 roofers in Waterloo, 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 Waterloo?
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 Waterloo, 0 roofers hold Elite-tier ProScores (81+), 0 are Trusted-tier (70+), and 4 are Good-tier (54+).
Are roofers in Waterloo 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 9 roofers in Waterloo by ProScore, 4 carry active WSIB coverage.
How many roofers has ProScore scored in Waterloo?
ProScore has scored 9 roofers in Waterloo, 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 Waterloo?
Among 9 roofers in Waterloo, Ontario: 0 are Elite-tier (81+), 0 are Trusted-tier (70+), and 4 are Good-tier (54+). The top 9 average a ProScore of 51/100, with William's United Roofing leading at 66/100.