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 Millennial Contracting Inc., with a ProScore of 84/100. ProScore has scored 8 general contractors in Cornwall across 10+ data sources and 20+ trust signals. 5 of the 8 are Trusted-tier (70+) or higher.
Trust scores last computed October 13, 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 73 out of 100. 5 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.
Millennial Contracting Inc. ranks 1st of the 8 general contractors ProScore scores in Cornwall, holding a ProScore of 84 out of 100 (Elite tier). Its score draws on 43 Google reviews averaging 4.8 out of 5. Public records show it is registered with WSIB.
JSM Elite Contracting ranks 2nd of the 8 general contractors ProScore scores in Cornwall, holding a ProScore of 80 out of 100 (Trusted tier). Its score draws on 20 Google reviews averaging 5.0 out of 5.
Menard Robertson Custom Homes and Renovations Inc. ranks 3rd of the 8 general contractors ProScore scores in Cornwall, holding a ProScore of 80 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.
Robert Boileau Construction LTD ranks 4th of the 8 general contractors ProScore scores in Cornwall, holding a ProScore of 71 out of 100 (Trusted tier). Its score draws on 2 Google reviews averaging 5.0 out of 5. Public records show it is registered with HCRA.
TrueCon General Contractors Ltd. ranks 5th of the 8 general contractors ProScore scores in Cornwall, holding a ProScore of 70 out of 100 (Trusted tier). Its score draws on 1 Google review averaging 5.0 out of 5.
Bourgon Construction ranks 6th of the 8 general contractors ProScore scores in Cornwall, holding a ProScore of 68 out of 100 (Good tier). Its score draws on 3 Google reviews averaging 5.0 out of 5.
Grant Marion Construction ranks 7th of the 8 general contractors ProScore scores in Cornwall, holding a ProScore of 68 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.
John Gordon Construction ranks 8th 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.
Of 8 general contractors in Cornwall: 1 rated Elite (81+), 4 rated Trusted (70+), and 3 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?
Millennial Contracting Inc. has the highest ProScore (84/100) 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, 1 general contractor holds Elite-tier ProScores (81+), 4 are Trusted-tier (70+), and 3 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 October 13, 2026.
What's the ProScore distribution among general contractors in Cornwall?
Among 8 general contractors in Cornwall, Ontario: 1 is Elite-tier (81+), 4 are Trusted-tier (70+), and 3 are Good-tier (54+). The top 8 average a ProScore of 73/100, with Millennial Contracting Inc. leading at 84/100.