Best Plumbers in Mississauga, Ontario
The most trusted plumber in Mississauga, Ontario is ExpressRooter Plumbing, with a ProScore of 84/100.
The most trusted plumber in Mississauga, Ontario is ExpressRooter Plumbing, with a ProScore of 84/100. ProScore has verified 54 plumbers in Mississauga, scoring each across 10+ data sources and 20+ trust signals. 5 of the 54 are Trusted-tier (65+) or higher.
Last updated: June 20, 2026 · Data refreshed daily
Of 54 plumbers in Mississauga: 2 rated Elite (80+), 27 rated Trusted (65+), and 18 rated Good (50+).
How ProScore Ranks Plumbers
Every plumber in Mississauga 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 Mississauga?
ExpressRooter Plumbing has the highest ProScore (84/100) among 54 verified plumbers in Mississauga, 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 Mississauga?
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 Mississauga, 2 plumbers hold Elite-tier ProScores (80+), 27 are Trusted-tier (65+), and 18 are Good-tier (50+).
Are plumbers in Mississauga 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 Mississauga by ProScore, 3 carry active WSIB coverage.
How many verified plumbers are in Mississauga?
ProScore has verified and scored 54 plumbers in Mississauga, 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 Mississauga?
Among 54 verified plumbers in Mississauga, Ontario: 2 are Elite-tier (80+), 27 are Trusted-tier (65+), and 18 are Good-tier (50+). The top 5 average a ProScore of 79/100, with ExpressRooter Plumbing leading at 84/100.