Roofers in London
44 roofers in London with multi-platform trust scores.
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Who is the best roofer in London, Ontario?
The most trusted roofer in London, Ontario is Gold Level Contracting, with a ProScore of 82/100. ProScore has scored 44 roofers in London across 10+ data sources and 20+ trust signals. 1 of the 44 are Trusted-tier (70+) or higher.
Trust scores last computed between August 30, 2026 and September 19, 2026.
Which roofers in London score highest?
Top 30 of 44 scored roofers in London, ranked by ProScore.
ProScore scores 44 roofers in London, and their average score is 53 out of 100. 1 of them reaches the Trusted threshold of 70 or higher. 12 are registered with WSIB. 42 have Google reviews on file — 1,992 reviews in total, and 19 carry a Better Business Bureau rating.
Gold Level Contracting ranks 1st of the 44 roofers ProScore scores in London, holding a ProScore of 82 out of 100 (Elite tier). Its score draws on 51 Google reviews averaging 4.9 out of 5 and a Better Business Bureau rating of A+. Public records show it is registered with WSIB.
Shockwave Roofing ranks 2nd of the 44 roofers ProScore scores in London, holding a ProScore of 66 out of 100 (Good tier). Its score draws on 96 Google reviews averaging 5.0 out of 5 and a Better Business Bureau rating of A+.
Accell Roofing Inc ranks 3rd of the 44 roofers ProScore scores in London, holding a ProScore of 65 out of 100 (Good tier). Its score draws on 61 Google reviews averaging 4.8 out of 5 and a Better Business Bureau rating of A+. Public records show it is registered with WSIB.
Davidoff Roofing (London) Ltd ranks 4th of the 44 roofers ProScore scores in London, holding a ProScore of 65 out of 100 (Good tier). Its score draws on 106 Google reviews averaging 4.7 out of 5 and a Better Business Bureau rating of A+. Public records show it is registered with WSIB. Its ProScore has risen since the previous recompute.
Armour Shield Roofing ranks 5th of the 44 roofers ProScore scores in London, holding a ProScore of 64 out of 100 (Good tier). Its score draws on 2 Google reviews averaging 5.0 out of 5, 21 reviews on other major review platforms and a Better Business Bureau rating of A+. Public records show it is registered with WSIB.
Southwinds Roofing ranks 6th of the 44 roofers ProScore scores in London, holding a ProScore of 64 out of 100 (Good tier). Its score draws on 72 Google reviews averaging 4.7 out of 5 and a Better Business Bureau rating of A+. Public records show it is registered with WSIB. Its ProScore has risen since the previous recompute.
Byron Roofing ranks 7th of the 44 roofers ProScore scores in London, holding a ProScore of 63 out of 100 (Good tier). Its score draws on 82 Google reviews averaging 4.8 out of 5 and a Better Business Bureau rating of A+.
Armour Shield Roofing London ranks 8th of the 44 roofers ProScore scores in London, holding a ProScore of 62 out of 100 (Good tier). Its score draws on 133 Google reviews averaging 4.9 out of 5 and a Better Business Bureau rating of A+.
Legendary Exteriors ranks 9th of the 44 roofers ProScore scores in London, holding a ProScore of 62 out of 100 (Good tier). Its score draws on 19 Google reviews averaging 4.6 out of 5 and a Better Business Bureau rating of A+. Public records show it is registered with WSIB.
Himalaya Group | Roofing , Siding, Eaves & Commercial , London Ontario ranks 10th of the 44 roofers ProScore scores in London, holding a ProScore of 60 out of 100 (Good tier). Its score draws on 100 Google reviews averaging 4.9 out of 5 and a Better Business Bureau rating of A+.
1st Choice Home Solutions ranks 11th of the 44 roofers ProScore scores in London, holding a ProScore of 59 out of 100 (Good tier). Its score draws on 162 Google reviews averaging 4.6 out of 5 and a Better Business Bureau rating of A+.
Forest City Roofing ranks 12th of the 44 roofers ProScore scores in London, holding a ProScore of 59 out of 100 (Good tier). Its score draws on 90 Google reviews averaging 4.4 out of 5 and a Better Business Bureau rating of A+. Its ProScore has risen since the previous recompute.
Outstanding roofing & interlock ranks 13th of the 44 roofers ProScore scores in London, holding a ProScore of 59 out of 100 (Good tier). Its score draws on 1 Google review averaging 5.0 out of 5 and 66 reviews on other major review platforms. Its ProScore has risen since the previous recompute.
Courtney Roofing Inc. ranks 14th of the 44 roofers ProScore scores in London, holding a ProScore of 58 out of 100 (Good tier). Its score draws on 38 Google reviews averaging 4.2 out of 5 and a Better Business Bureau rating of A+. Public records show it is registered with WSIB.
Humble Roofing & Renovations inc. ranks 15th of the 44 roofers ProScore scores in London, holding a ProScore of 58 out of 100 (Good tier). Its score draws on 77 Google reviews averaging 4.7 out of 5.
Green Metal Roofing And Manufacturing Inc. ranks 16th of the 44 roofers ProScore scores in London, holding a ProScore of 57 out of 100 (Good tier). Its score draws on 227 Google reviews averaging 4.8 out of 5. Its ProScore has fallen since the previous recompute.
Lloyd's Roofing ranks 17th of the 44 roofers ProScore scores in London, holding a ProScore of 57 out of 100 (Good tier). Its score draws on 12 Google reviews averaging 4.7 out of 5 and a Better Business Bureau rating of A+. Public records show it is registered with WSIB.
A & K Roofing Co Ltd ranks 18th of the 44 roofers ProScore scores in London, holding a ProScore of 56 out of 100 (Good tier). Its score draws on 12 Google reviews averaging 4.9 out of 5. Public records show it is registered with WSIB. Its ProScore has risen since the previous recompute.
Murray Shaw Roofing ranks 19th of the 44 roofers ProScore scores in London, holding a ProScore of 56 out of 100 (Good tier). Its score draws on 30 Google reviews averaging 4.5 out of 5 and a Better Business Bureau rating of A+.
La Fleche Roofing (1992) Ltd ranks 20th of the 44 roofers ProScore scores in London, holding a ProScore of 55 out of 100 (Good tier). Its score draws on 8 Google reviews averaging 5.0 out of 5 and a Better Business Bureau rating of A+. Its ProScore has risen since the previous recompute.
North London Roofing ranks 21st of the 44 roofers ProScore scores in London, holding a ProScore of 55 out of 100 (Good tier). Its score draws on 98 Google reviews averaging 4.5 out of 5.
Advanced Level Homes - Roofing & Exteriors ranks 22nd of the 44 roofers ProScore scores in London, holding a ProScore of 54 out of 100 (Good tier). Its score draws on 133 Google reviews averaging 5.0 out of 5 and a Better Business Bureau rating of A+. Its ProScore has risen since the previous recompute.
Bright Green Roof London ranks 23rd of the 44 roofers ProScore scores in London, holding a ProScore of 54 out of 100 (Good tier). Its score draws on 13 Google reviews averaging 5.0 out of 5.
North Face Roofing ranks 24th of the 44 roofers ProScore scores in London, holding a ProScore of 54 out of 100 (Good tier). Its score draws on 14 Google reviews averaging 4.6 out of 5 and a Better Business Bureau rating of A+. Public records show it is registered with WSIB. Its ProScore has risen since the previous recompute.
Action 1 Roofing ranks 25th of the 44 roofers ProScore scores in London, holding a ProScore of 52 out of 100 (Basic tier). Its score draws on 9 Google reviews averaging 5.0 out of 5.
Lin Roofing ranks 26th of the 44 roofers ProScore scores in London, holding a ProScore of 52 out of 100 (Basic tier). Its score draws on 25 Google reviews averaging 4.2 out of 5.
Atlas-Apex Roofing Inc. ranks 27th of the 44 roofers ProScore scores in London, holding a ProScore of 51 out of 100 (Basic tier). Its score draws on 2 Google reviews averaging 5.0 out of 5.
AM Group Exteriors - London ranks 28th of the 44 roofers ProScore scores in London, holding a ProScore of 50 out of 100 (Basic tier). Its score draws on 254 Google reviews averaging 4.0 out of 5.
Canadian Rooftops ranks 29th of the 44 roofers ProScore scores in London, holding a ProScore of 50 out of 100 (Basic tier). Its score draws on 5 Google reviews averaging 5.0 out of 5.
Better Construction Co. ranks 30th of the 44 roofers ProScore scores in London, holding a ProScore of 49 out of 100 (Basic tier). Its score draws on 3 Google reviews averaging 5.0 out of 5.
Of 44 roofers in London: 1 rated Elite (81+), 0 rated Trusted (70+), and 23 rated Good (54+).
How is a roofer's ProScore calculated?
Every roofer in London 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 London?
Browse all roofers in London →What else should I check before hiring roofers in London?
Frequently Asked Questions
Who is the best roofer in London?
Gold Level Contracting has the highest ProScore (82/100) among 44 roofers in London, 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 London?
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 London, 1 roofer holds Elite-tier ProScores (81+), 0 are Trusted-tier (70+), and 23 are Good-tier (54+).
Are roofers in London 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 30 roofers in London by ProScore, 10 carry active WSIB coverage.
How many roofers has ProScore scored in London?
ProScore has scored 44 roofers in London, 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 London?
Among 44 roofers in London, Ontario: 1 is Elite-tier (81+), 0 are Trusted-tier (70+), and 23 are Good-tier (54+). The top 30 average a ProScore of 58/100, with Gold Level Contracting leading at 82/100.