Plumbers in Guelph
22 plumbers in Guelph with multi-platform trust scores.
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The most trusted plumber in Guelph, Ontario is Mr. Rooter Plumbing of Guelph, with a ProScore of 89/100. ProScore has verified 22 plumbers in Guelph, scoring each across 10+ data sources and 20+ trust signals. 5 of the 22 are Trusted-tier (65+) or higher.
Last updated: August 5, 2026 · Data refreshed daily
Of 22 plumbers in Guelph: 2 rated Elite (80+), 7 rated Trusted (65+), and 13 rated Good (50+).
How ProScore Ranks Plumbers
Every plumber in Guelph is evaluated across four pillars: Reputation (ratings across multiple platforms), Verification (government licensing 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 →Frequently Asked Questions
Who is the best plumber in Guelph?
Mr. Rooter Plumbing of Guelph has the highest ProScore (89/100) among 22 verified plumbers in Guelph, Ontario. Rankings are based on ProScore, which evaluates ratings, government licensing, WSIB coverage, and AI-analyzed customer sentiment.
How do I find a trustworthy plumber in Guelph?
Look for plumbers with verified active WSIB coverage, and consistent ratings across multiple platforms. ProScore aggregates these signals into a single score from 0-100. In Guelph, 2 plumbers hold Elite-tier ProScores (80+), 7 are Trusted-tier (65+), and 13 are Good-tier (50+).
Are plumbers in Guelph licensed?
Plumbers in Ontario should hold valid business registration and active WSIB workers compensation coverage. ProScore verifies these credentials for every provider. Of the top 5 plumbers in Guelph by ProScore, 2 carry active WSIB coverage.
How many verified plumbers are in Guelph?
ProScore has verified and scored 22 plumbers in Guelph, 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 plumbers in Guelph?
Among 22 verified plumbers in Guelph, Ontario: 2 are Elite-tier (80+), 7 are Trusted-tier (65+), and 13 are Good-tier (50+). The top 5 average a ProScore of 78/100, with Mr. Rooter Plumbing of Guelph leading at 89/100.