General Contractors in Sarnia
10 general contractors in Sarnia with multi-platform trust scores.
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Who is the best general contractor in Sarnia, Ontario?
The most trusted general contractor in Sarnia, Ontario is William Standen Co., with a ProScore of 68/100. ProScore has scored 10 general contractors in Sarnia across 10+ data sources and 20+ trust signals. None of the 10 meet the Trusted-tier (70+) threshold yet.
Trust scores last computed between September 2, 2026 and September 19, 2026.
Which general contractors in Sarnia score highest?
All 10 scored general contractors in Sarnia, ranked by ProScore.
ProScore scores 10 general contractors in Sarnia, and their average score is 53 out of 100. 3 are registered with WSIB. 10 have Google reviews on file — 80 reviews in total.
William Standen Co. ranks 1st of the 10 general contractors ProScore scores in Sarnia, holding a ProScore of 68 out of 100 (Good tier). Its score draws on 27 Google reviews averaging 4.5 out of 5. Public records show it is registered with WSIB.
Dixin Construction Limited ranks 2nd of the 10 general contractors ProScore scores in Sarnia, holding a ProScore of 63 out of 100 (Good tier). Its score draws on 9 Google reviews averaging 4.9 out of 5.
Curran Contractors Ltd. ranks 3rd of the 10 general contractors ProScore scores in Sarnia, holding a ProScore of 59 out of 100 (Good tier). Its score draws on 3 Google reviews averaging 4.3 out of 5.
Joe Van Reenen Construction ranks 4th of the 10 general contractors ProScore scores in Sarnia, holding a ProScore of 59 out of 100 (Good tier). Its score draws on 9 Google reviews averaging 4.6 out of 5. Public records show it is registered with WSIB.
DiCocco General Contractors and Engineers ranks 5th of the 10 general contractors ProScore scores in Sarnia, holding a ProScore of 55 out of 100 (Good tier). Its score draws on 9 Google reviews averaging 4.8 out of 5.
Nathan Homes ranks 6th of the 10 general contractors ProScore scores in Sarnia, holding a ProScore of 48 out of 100 (Basic tier). Its score draws on 1 Google review averaging 5.0 out of 5. Public records show it is registered with WSIB.
Chalmers Construction Ltd-See Aluma Systems Inc ranks 7th of the 10 general contractors ProScore scores in Sarnia, holding a ProScore of 46 out of 100 (Basic tier). Its score draws on 1 Google review averaging 5.0 out of 5.
Ram Contracting ranks 8th of the 10 general contractors ProScore scores in Sarnia, holding a ProScore of 45 out of 100 (Basic tier). Its score draws on 1 Google review averaging 5.0 out of 5 and 1 review on other major review platforms.
Cope Construction ranks 9th of the 10 general contractors ProScore scores in Sarnia, holding a ProScore of 43 out of 100 (Basic tier). Its score draws on 16 Google reviews averaging 3.1 out of 5.
Maaten Construction Limited ranks 10th of the 10 general contractors ProScore scores in Sarnia, holding a ProScore of 42 out of 100 (Basic tier). Its score draws on 4 Google reviews averaging 4.0 out of 5. Its ProScore has risen since the previous recompute.
How is a general contractor's ProScore calculated?
Every general contractor in Sarnia 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 Sarnia?
Browse all general contractors in Sarnia →What else should I check before hiring general contractors in Sarnia?
Frequently Asked Questions
Who is the best general contractor in Sarnia?
William Standen Co. has the highest ProScore (68/100) among 10 general contractors in Sarnia, 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 Sarnia?
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 Sarnia, 0 general contractors hold Elite-tier ProScores (81+), 0 are Trusted-tier (70+), and 5 are Good-tier (54+).
Are general contractors in Sarnia 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 10 general contractors in Sarnia by ProScore, 0 hold verified HCRA credentials and 3 carry active WSIB coverage.
How many general contractors has ProScore scored in Sarnia?
ProScore has scored 10 general contractors in Sarnia, Ontario. Each provider is evaluated using 10+ data sources, 20+ trust signals, and AI-analyzed customer reviews. Trust scores last computed between September 2, 2026 and September 19, 2026.
What's the ProScore distribution among general contractors in Sarnia?
Among 10 general contractors in Sarnia, Ontario: 0 are Elite-tier (81+), 0 are Trusted-tier (70+), and 5 are Good-tier (54+). The top 10 average a ProScore of 53/100, with William Standen Co. leading at 68/100.