Roofers in London
43 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 90/100. ProScore has scored 43 roofers in London across 10+ data sources and 20+ trust signals. 6 of the 43 are Trusted-tier (70+) or higher.
Trust scores last computed October 13, 2026.
Which roofers in London score highest?
Top 30 of 43 scored roofers in London, ranked by ProScore.
ProScore scores 43 roofers in London, and their average score is 57 out of 100. 6 of them reach 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 43 roofers ProScore scores in London, holding a ProScore of 90 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 43 roofers ProScore scores in London, holding a ProScore of 75 out of 100 (Trusted 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 43 roofers ProScore scores in London, holding a ProScore of 72 out of 100 (Trusted 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.
Armour Shield Roofing ranks 4th of the 43 roofers ProScore scores in London, holding a ProScore of 72 out of 100 (Trusted 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.
Byron Roofing ranks 5th of the 43 roofers ProScore scores in London, holding a ProScore of 72 out of 100 (Trusted tier). Its score draws on 82 Google reviews averaging 4.8 out of 5 and a Better Business Bureau rating of A+.
Southwinds Roofing ranks 6th of the 43 roofers ProScore scores in London, holding a ProScore of 70 out of 100 (Trusted 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.
Davidoff Roofing (London) Ltd ranks 7th of the 43 roofers ProScore scores in London, holding a ProScore of 68 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.
Himalaya Group | Roofing , Siding, Eaves & Commercial , London Ontario ranks 8th of the 43 roofers ProScore scores in London, holding a ProScore of 68 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+.
Humble Roofing & Renovations inc. ranks 9th of the 43 roofers ProScore scores in London, holding a ProScore of 68 out of 100 (Good tier). Its score draws on 77 Google reviews averaging 4.7 out of 5.
Legendary Exteriors ranks 10th of the 43 roofers ProScore scores in London, holding a ProScore of 68 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.
Armour Shield Roofing London ranks 11th of the 43 roofers ProScore scores in London, holding a ProScore of 67 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+.
Outstanding roofing & interlock ranks 12th of the 43 roofers ProScore scores in London, holding a ProScore of 67 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.
Forest City Roofing ranks 13th of the 43 roofers ProScore scores in London, holding a ProScore of 66 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+.
1st Choice Home Solutions ranks 14th of the 43 roofers ProScore scores in London, holding a ProScore of 64 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+.
Green Metal Roofing And Manufacturing Inc. ranks 15th of the 43 roofers ProScore scores in London, holding a ProScore of 64 out of 100 (Good tier). Its score draws on 227 Google reviews averaging 4.8 out of 5.
Murray Shaw Roofing ranks 16th of the 43 roofers ProScore scores in London, holding a ProScore of 62 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+.
Advanced Level Homes - Roofing & Exteriors ranks 17th of the 43 roofers ProScore scores in London, holding a ProScore of 61 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+.
A & K Roofing Co Ltd ranks 18th of the 43 roofers ProScore scores in London, holding a ProScore of 60 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.
Lloyd's Roofing ranks 19th of the 43 roofers ProScore scores in London, holding a ProScore of 60 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.
North London Roofing ranks 20th of the 43 roofers ProScore scores in London, holding a ProScore of 60 out of 100 (Good tier). Its score draws on 98 Google reviews averaging 4.5 out of 5.
Courtney Roofing Inc. ranks 21st of the 43 roofers ProScore scores in London, holding a ProScore of 59 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.
AM Group Exteriors - London ranks 22nd of the 43 roofers ProScore scores in London, holding a ProScore of 58 out of 100 (Good tier). Its score draws on 254 Google reviews averaging 4.0 out of 5 and 373 reviews on other major review platforms.
La Fleche Roofing (1992) Ltd ranks 23rd of the 43 roofers ProScore scores in London, holding a ProScore of 58 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+.
Bright Green Roof London ranks 24th of the 43 roofers ProScore scores in London, holding a ProScore of 57 out of 100 (Good tier). Its score draws on 13 Google reviews averaging 5.0 out of 5.
North Face Roofing ranks 25th of the 43 roofers ProScore scores in London, holding a ProScore of 56 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.
Action 1 Roofing ranks 26th of the 43 roofers ProScore scores in London, holding a ProScore of 55 out of 100 (Good tier). Its score draws on 9 Google reviews averaging 5.0 out of 5.
Lin Roofing ranks 27th of the 43 roofers ProScore scores in London, holding a ProScore of 55 out of 100 (Good tier). Its score draws on 25 Google reviews averaging 4.2 out of 5.
Atlas-Apex Roofing Inc. ranks 28th of the 43 roofers ProScore scores in London, holding a ProScore of 52 out of 100 (Basic tier). Its score draws on 2 Google reviews averaging 5.0 out of 5.
Canadian Rooftops ranks 29th of the 43 roofers ProScore scores in London, holding a ProScore of 52 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 43 roofers ProScore scores in London, holding a ProScore of 50 out of 100 (Basic tier). Its score draws on 3 Google reviews averaging 5.0 out of 5.
Of 43 roofers in London: 1 rated Elite (81+), 5 rated Trusted (70+), and 21 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 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 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 (90/100) among 43 roofers in London, 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 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+), 5 are Trusted-tier (70+), and 21 are Good-tier (54+).
Are roofers in London 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 30 roofers in London by ProScore, 10 are registered with WSIB according to ProScore’s records.
How many roofers has ProScore scored in London?
ProScore has scored 43 roofers in London, Ontario. Each provider is evaluated using 10+ data sources, 20+ trust signals, and AI-analyzed customer reviews. Trust scores last computed October 13, 2026.
What's the ProScore distribution among roofers in London?
Among 43 roofers in London, Ontario: 1 is Elite-tier (81+), 5 are Trusted-tier (70+), and 21 are Good-tier (54+). The top 30 average a ProScore of 64/100, with Gold Level Contracting leading at 90/100.
Roofers near London
The nearest Ontario cities with a ProScore page for this trade — a pro based nearby may cover your area.
Other trades in London
Other trades with a ProScore page in London, with the number of scored pros in each.