General Contractors in Cornwall
8 general contractors in Cornwall with multi-platform trust scores.
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Who is the best general contractor in Cornwall, Ontario?
The most trusted general contractor in Cornwall, Ontario is Menard Robertson Custom Homes and Renovations Inc., with a ProScore of 73/100. ProScore has scored 8 general contractors in Cornwall across 10+ data sources and 20+ trust signals. 2 of the 8 are Trusted-tier (70+) or higher.
Trust scores last computed September 19, 2026.
Which general contractors in Cornwall score highest?
All 8 scored general contractors in Cornwall, ranked by ProScore.
ProScore scores 8 general contractors in Cornwall, and their average score is 64 out of 100. 2 of them reach the Trusted threshold of 70 or higher. 3 are registered with WSIB and 3 are registered with HCRA. 8 have Google reviews on file — 101 reviews in total.
Menard Robertson Custom Homes and Renovations Inc. ranks 1st of the 8 general contractors ProScore scores in Cornwall, holding a ProScore of 73 out of 100 (Trusted tier). Its score draws on 12 Google reviews averaging 4.8 out of 5. Public records show it is registered with WSIB and registered with HCRA. Its ProScore has risen since the previous recompute.
Millennial Contracting Inc. ranks 2nd of the 8 general contractors ProScore scores in Cornwall, holding a ProScore of 73 out of 100 (Trusted tier). Its score draws on 43 Google reviews averaging 4.8 out of 5. Public records show it is registered with WSIB. Its ProScore has risen since the previous recompute.
JSM Elite Contracting ranks 3rd of the 8 general contractors ProScore scores in Cornwall, holding a ProScore of 67 out of 100 (Good tier). Its score draws on 20 Google reviews averaging 5.0 out of 5.
Robert Boileau Construction LTD ranks 4th of the 8 general contractors ProScore scores in Cornwall, holding a ProScore of 65 out of 100 (Good tier). Its score draws on 2 Google reviews averaging 5.0 out of 5. Public records show it is registered with HCRA.
Grant Marion Construction ranks 5th of the 8 general contractors ProScore scores in Cornwall, holding a ProScore of 63 out of 100 (Good tier). Its score draws on 19 Google reviews averaging 4.5 out of 5. Public records show it is registered with WSIB and registered with HCRA. Its ProScore has risen since the previous recompute.
TrueCon General Contractors Ltd. ranks 6th of the 8 general contractors ProScore scores in Cornwall, holding a ProScore of 61 out of 100 (Good tier). Its score draws on 1 Google review averaging 5.0 out of 5. Its ProScore has risen since the previous recompute.
Bourgon Construction ranks 7th of the 8 general contractors ProScore scores in Cornwall, holding a ProScore of 57 out of 100 (Good tier). Its score draws on 3 Google reviews averaging 5.0 out of 5.
John Gordon Construction ranks 8th of the 8 general contractors ProScore scores in Cornwall, holding a ProScore of 54 out of 100 (Good tier). Its score draws on 1 Google review averaging 5.0 out of 5.
Of 8 general contractors in Cornwall: 0 rated Elite (81+), 2 rated Trusted (70+), and 6 rated Good (54+).
How is a general contractor's ProScore calculated?
Every general contractor in Cornwall is evaluated across four pillars: Reputation (ratings across multiple platforms), Verification (government licensing including HCRA 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 general contractors in Cornwall?
What else should I check before hiring general contractors in Cornwall?
Frequently Asked Questions
Who is the best general contractor in Cornwall?
Menard Robertson Custom Homes and Renovations Inc. has the highest ProScore (73/100) among 8 general contractors in Cornwall, Ontario. Rankings are based on ProScore, which evaluates ratings, government licensing (HCRA), WSIB coverage, and AI-analyzed customer sentiment.
How do I find a trustworthy general contractor in Cornwall?
Look for general contractors with verified HCRA licensing, active WSIB coverage, and consistent ratings across multiple platforms. ProScore aggregates these signals into a single score from 0-100. In Cornwall, 0 general contractors hold Elite-tier ProScores (81+), 2 are Trusted-tier (70+), and 6 are Good-tier (54+).
Are general contractors in Cornwall licensed?
General Contractors in Ontario are required to hold HCRA licensing. ProScore verifies this against official HCRA records for every provider in our database. Of the top 8 general contractors in Cornwall by ProScore, 0 hold verified HCRA credentials and 3 carry active WSIB coverage.
How many general contractors has ProScore scored in Cornwall?
ProScore has scored 8 general contractors in Cornwall, 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 general contractors in Cornwall?
Among 8 general contractors in Cornwall, Ontario: 0 are Elite-tier (81+), 2 are Trusted-tier (70+), and 6 are Good-tier (54+). The top 8 average a ProScore of 64/100, with Menard Robertson Custom Homes and Renovations Inc. leading at 73/100.