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?
Dixin Construction Limited and William Standen Co. share the highest ProScore among general contractors in Sarnia, at 74/100, followed by Joe Van Reenen Construction (68/100). ProScore has scored 10 general contractors in Sarnia across 10+ data sources and 20+ trust signals. 2 of the 10 are Trusted-tier (70+) or higher.
Star ratings alone do not separate them: 7 of the 10 average 4.5 stars or higher on Google, but only 2 reach Trusted (70+). ProScore also weighs government licensing where it applies, WSIB coverage, ratings on other platforms and what customers say in their reviews.
Trust scores last computed October 13, 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 61 out of 100. 2 of them reach the Trusted threshold of 70 or higher. 3 are registered with WSIB. 10 have Google reviews on file — 80 reviews in total. Across Ontario, 52% of the general contractors ProScore has scored reach the Trusted threshold; at 20%, Sarnia is below the provincial rate.
Dixin Construction Limited is a general contractor based in Sarnia that offers weekday availability and has wheelchair-accessible parking.
Dixin Construction Limited ranks 1st of the 10 general contractors ProScore scores in Sarnia, holding a ProScore of 74 out of 100 (Trusted tier). Its score draws on 9 Google reviews averaging 4.9 out of 5.
William Standen Co. is a general contractor based in Sarnia, Ontario, offering kitchen cabinetry work that includes custom storage solutions and soft-close drawer installations.
William Standen Co. ranks 2nd of the 10 general contractors ProScore scores in Sarnia, holding a ProScore of 74 out of 100 (Trusted tier). Its score draws on 27 Google reviews averaging 4.5 out of 5. Public records show it is registered with WSIB.
Joe Van Reenen Construction is a general contractor based in Sarnia that handles deck, bathroom, drywall, painting, electrical, flooring, and plumbing work, and offers wheelchair-accessible parking.
Joe Van Reenen Construction ranks 3rd of the 10 general contractors ProScore scores in Sarnia, holding a ProScore of 68 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.
Based in Sarnia, Curran Contractors Ltd. operates as a general contractor with wheelchair-accessible parking and 24/7 availability.
The ProScore for Curran Contractors Ltd. draws on 3 Google reviews averaging 4.3 out of 5.
The ProScore for DiCocco General Contractors and Engineers draws on 9 Google reviews averaging 4.8 out of 5.
The ProScore for Chalmers Construction Ltd-See Aluma Systems Inc draws on 1 Google review averaging 5.0 out of 5.
The ProScore for Cope Construction draws on 16 Google reviews averaging 3.1 out of 5.
The ProScore for Ram Contracting draws on 1 Google review averaging 5.0 out of 5 and 1 review on other major review platforms.
Maaten Construction Limited operates as a general contractor in Sarnia, Ontario, with wheelchair-accessible entrance and parking.
The ProScore for Maaten Construction Limited draws on 4 Google reviews averaging 4.0 out of 5.
Nathan Homes is a general contractor based in Sarnia, Ontario, open on weekdays.
The ProScore for Nathan Homes draws on 1 Google review averaging 5.0 out of 5. Public records show Nathan Homes is registered with WSIB.
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 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 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?
Dixin Construction Limited and William Standen Co. share the highest ProScore (74/100) among 10 general contractors in Sarnia, 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 Sarnia?
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 Sarnia, 0 general contractors hold Elite-tier ProScores (81+), 2 are Trusted-tier (70+), and 5 are Good-tier (54+).
Are general contractors in Sarnia 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 10 general contractors in Sarnia by ProScore, 3 are registered with WSIB according to ProScore’s records.
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 October 13, 2026.
What's the ProScore distribution among general contractors in Sarnia?
Among 10 general contractors in Sarnia, Ontario: 0 are Elite-tier (81+), 2 are Trusted-tier (70+), and 5 are Good-tier (54+). Together they average a ProScore of 61/100, with 2 sharing the top score of 74/100.
How do general contractors in Sarnia compare with Ontario as a whole?
20% of the general contractors ProScore has scored in Sarnia reach the Trusted tier (70+), against 52% across Ontario as a whole, so Sarnia is below the provincial rate.
General Contractors near Sarnia
The nearest Ontario cities with a ProScore page for this trade — a pro based nearby may cover your area.
Other trades in Sarnia
Other trades with a ProScore page in Sarnia, with the number of scored pros in each.