General Contractors in St Thomas
12 general contractors in St Thomas with multi-platform trust scores.
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Who is the best general contractor in St Thomas, Ontario?
The most trusted general contractor in St Thomas, Ontario is Gilbert Contracting & Renovations Ltd, with a ProScore of 78/100. ProScore has scored 12 general contractors in St Thomas across 10+ data sources and 20+ trust signals. 5 of the 12 are Trusted-tier (70+) or higher.
Trust scores last computed between October 13, 2026 and October 28, 2026.
Which general contractors in St Thomas score highest?
All 12 scored general contractors in St Thomas, ranked by ProScore.
ProScore scores 12 general contractors in St Thomas, and their average score is 63 out of 100. 5 of them reach the Trusted threshold of 70 or higher. 2 are registered with WSIB. 12 have Google reviews on file — 200 reviews in total.
Gilbert Contracting & Renovations Ltd ranks 1st of the 12 general contractors ProScore scores in St Thomas, holding a ProScore of 78 out of 100 (Trusted tier). Its score draws on 16 Google reviews averaging 4.5 out of 5.
Hayhoe Homes ranks 2nd of the 12 general contractors ProScore scores in St Thomas, holding a ProScore of 78 out of 100 (Trusted tier). Its score draws on 38 Google reviews averaging 4.5 out of 5. Public records show it is registered with WSIB.
PMD Excavation Construction ranks 3rd of the 12 general contractors ProScore scores in St Thomas, holding a ProScore of 78 out of 100 (Trusted tier). Its score draws on 54 Google reviews averaging 5.0 out of 5.
Jay Okkerse Contracting ranks 4th of the 12 general contractors ProScore scores in St Thomas, holding a ProScore of 75 out of 100 (Trusted tier). Its score draws on 6 Google reviews averaging 5.0 out of 5. Public records show it is registered with WSIB.
Modern Aspect Construction Inc. ranks 5th of the 12 general contractors ProScore scores in St Thomas, holding a ProScore of 70 out of 100 (Trusted tier). Its score draws on 6 Google reviews averaging 5.0 out of 5.
MP Custom Homes ranks 6th of the 12 general contractors ProScore scores in St Thomas, holding a ProScore of 60 out of 100 (Good tier). Its score draws on 16 Google reviews averaging 4.1 out of 5.
Elgin Contracting & Restoration ranks 7th of the 12 general contractors ProScore scores in St Thomas, holding a ProScore of 58 out of 100 (Good tier). Its score draws on 8 Google reviews averaging 3.9 out of 5.
Elgin Construction Company Limited ranks 8th of the 12 general contractors ProScore scores in St Thomas, holding a ProScore of 55 out of 100 (Good tier). Its score draws on 12 Google reviews averaging 3.3 out of 5.
DHP Homes ranks 9th of the 12 general contractors ProScore scores in St Thomas, holding a ProScore of 53 out of 100 (Basic tier). Its score draws on 31 Google reviews averaging 3.8 out of 5.
S C Mills General Contractor ranks 10th of the 12 general contractors ProScore scores in St Thomas, holding a ProScore of 52 out of 100 (Basic tier). Its score draws on 1 Google review averaging 5.0 out of 5.
Thomson General Contracting ranks 11th of the 12 general contractors ProScore scores in St Thomas, holding a ProScore of 52 out of 100 (Basic tier). Its score draws on 1 Google review averaging 5.0 out of 5.
H.I.R.A. Limited ranks 12th of the 12 general contractors ProScore scores in St Thomas, holding a ProScore of 42 out of 100 (Basic tier). Its score draws on 11 Google reviews averaging 2.1 out of 5.
Of 12 general contractors in St Thomas: 0 rated Elite (81+), 5 rated Trusted (70+), and 3 rated Good (54+).
How is a general contractor's ProScore calculated?
Every general contractor in St Thomas 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 general contractors in St Thomas?
What else should I check before hiring general contractors in St Thomas?
Frequently Asked Questions
Who is the best general contractor in St Thomas?
Gilbert Contracting & Renovations Ltd has the highest ProScore (78/100) among 12 general contractors in St Thomas, Ontario. Rankings are based on ProScore, which evaluates ratings, government licensing, including HCRA new-home builder registration where it applies, WSIB coverage, and AI-analyzed customer sentiment.
How do I find a trustworthy general contractor in St Thomas?
Look for general contractors with verified active WSIB coverage, and consistent ratings across multiple platforms. ProScore aggregates these signals into a single score from 0-100. In St Thomas, 0 general contractors hold Elite-tier ProScores (81+), 5 are Trusted-tier (70+), and 3 are Good-tier (54+).
Are general contractors in St Thomas licensed?
Ontario has no provincial licence for renovation contractors. The HCRA licenses builders of new homes, and a renovation of an existing home typically does not call for an HCRA licence. If you are building a new home, the builder does need one; check it in the HCRA’s Ontario Builder Directory. Some cities license renovation businesses, so check with yours. The regulated work inside the job needs its own licences: an ESA-licensed electrical contractor for wiring, a TSSA-registered contractor for gas, and a certified plumber for plumbing. Ask who does each part and check their numbers. Of the top 12 general contractors in St Thomas by ProScore, 2 are registered with WSIB according to ProScore’s records.
How many general contractors has ProScore scored in St Thomas?
ProScore has scored 12 general contractors in St Thomas, Ontario. Each provider is evaluated using 10+ data sources, 20+ trust signals, and AI-analyzed customer reviews. Trust scores last computed between October 13, 2026 and October 28, 2026.
What's the ProScore distribution among general contractors in St Thomas?
Among 12 general contractors in St Thomas, Ontario: 0 are Elite-tier (81+), 5 are Trusted-tier (70+), and 3 are Good-tier (54+). The top 12 average a ProScore of 63/100, with Gilbert Contracting & Renovations Ltd leading at 78/100.
General Contractors near St Thomas
The nearest Ontario cities with a ProScore page for this trade — a pro based nearby may cover your area.
Other trades in St Thomas
Other trades with a ProScore page in St Thomas, with the number of scored pros in each.