Best General Contractors in Waterloo, Ontario
The most trusted general contractor in Waterloo, Ontario is Duane Erb Construction Inc, with a ProScore of 80/100.
The most trusted general contractor in Waterloo, Ontario is Duane Erb Construction Inc, with a ProScore of 80/100. ProScore has verified 33 general contractors in Waterloo, scoring each across 10+ data sources and 20+ trust signals. 3 of the 33 are Trusted-tier (70+) or higher.
Last updated: May 6, 2026 · Data refreshed daily
Of 33 general contractors in Waterloo: 0 rated Elite (82+), 3 rated Trusted (70+), and 17 rated Good (55+).
How ProScore Ranks General Contractors
Every general contractor in Waterloo 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 →Top Rated General Contractors in Waterloo
Frequently Asked Questions
Who is the best general contractor in Waterloo?
Duane Erb Construction Inc has the highest ProScore (80/100) among 33 verified general contractors in Waterloo, 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 Waterloo?
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 Waterloo, 0 general contractors hold Elite-tier ProScores (82+), 3 are Trusted-tier (70+), and 17 are Good-tier (55+).
Are general contractors in Waterloo 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 5 general contractors in Waterloo by ProScore, 0 hold verified HCRA credentials and 5 carry active WSIB coverage.
How many verified general contractors are in Waterloo?
ProScore has verified and scored 33 general contractors in Waterloo, Ontario. Each provider is evaluated using 10+ data sources, 20+ trust signals, and AI-analyzed customer reviews. Data is refreshed daily.
What's the ProScore distribution among general contractors in Waterloo?
Among 33 verified general contractors in Waterloo, Ontario: 0 are Elite-tier (82+), 3 are Trusted-tier (70+), and 17 are Good-tier (55+). The top 5 average a ProScore of 72/100, with Duane Erb Construction Inc leading at 80/100.