General Contractors in Perth
4 general contractors in Perth with multi-platform trust scores.
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Who is the best general contractor in Perth, Ontario?
The highest-scoring general contractors in Perth on ProScore are R K Porter General Contracting Inc (71/100), K. James Custom Homes (69/100) and Malloch Construction (63/100). ProScore has scored 4 general contractors in Perth across 10+ data sources and 20+ trust signals. 1 of the 4 are Trusted-tier (70+) or higher.
Trust scores last computed October 13, 2026.
Which general contractors in Perth score highest?
All 4 scored general contractors in Perth, ranked by ProScore.
ProScore scores 4 general contractors in Perth, and their average score is 64 out of 100. 1 of them reaches the Trusted threshold of 70 or higher. 2 are registered with WSIB and 2 are registered with HCRA. 4 have Google reviews on file — 34 reviews in total.
R K Porter General Contracting Inc is a general contractor serving Perth, Ontario, operating weekdays with wheelchair-accessible parking.
R K Porter General Contracting Inc ranks 1st of the 4 general contractors ProScore scores in Perth, holding a ProScore of 71 out of 100 (Trusted tier). Its score draws on 14 Google reviews averaging 4.1 out of 5. Public records show it is registered with WSIB and registered with HCRA.
K. James Custom Homes is a general contractor based in Perth, Ontario, operating on weekdays and handling projects that span demolition through final millwork.
K. James Custom Homes ranks 2nd of the 4 general contractors ProScore scores in Perth, holding a ProScore of 69 out of 100 (Good tier). Its score draws on 11 Google reviews averaging 4.6 out of 5.
Malloch Construction ranks 3rd of the 4 general contractors ProScore scores in Perth, holding a ProScore of 63 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 WSIB and registered with HCRA.
The ProScore for Full Speed Builders Ltd. draws on 7 Google reviews averaging 3.9 out of 5.
How is a general contractor's ProScore calculated?
Every general contractor in Perth 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 Perth?
Browse all general contractors in Perth →What else should I check before hiring general contractors in Perth?
Frequently Asked Questions
Who is the best general contractor in Perth?
R K Porter General Contracting Inc has the highest ProScore (71/100) among 4 general contractors in Perth, 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 Perth?
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 Perth, 0 general contractors hold Elite-tier ProScores (81+), 1 is Trusted-tier (70+), and 2 are Good-tier (54+).
Are general contractors in Perth 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 4 general contractors in Perth by ProScore, 2 are registered with WSIB according to ProScore’s records.
How many general contractors has ProScore scored in Perth?
ProScore has scored 4 general contractors in Perth, 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 Perth?
Among 4 general contractors in Perth, Ontario: 0 are Elite-tier (81+), 1 is Trusted-tier (70+), and 2 are Good-tier (54+). Together they average a ProScore of 64/100, with R K Porter General Contracting Inc leading at 71/100.
General Contractors near Perth
The nearest Ontario cities with a ProScore page for this trade — a pro based nearby may cover your area.
Other trades in Perth
Other trades with a ProScore page in Perth, with the number of scored pros in each.