Plumbers in Ajax
8 plumbers in Ajax with multi-platform trust scores.
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Who is the best plumber in Ajax, Ontario?
The most trusted plumber in Ajax, Ontario is Sewer Squad Plumbing, with a ProScore of 79/100. ProScore has scored 8 plumbers in Ajax across 10+ data sources and 20+ trust signals. 2 of the 8 are Trusted-tier (70+) or higher.
Trust scores last computed between August 30, 2026 and September 19, 2026.
Which plumbers in Ajax score highest?
All 8 scored plumbers in Ajax, ranked by ProScore.
ProScore scores 8 plumbers in Ajax, and their average score is 60 out of 100. 2 of them reach the Trusted threshold of 70 or higher. 2 are registered with WSIB. 8 have Google reviews on file — 2,052 reviews in total, and 6 carry a Better Business Bureau rating.
Sewer Squad Plumbing ranks 1st of the 8 plumbers ProScore scores in Ajax, holding a ProScore of 79 out of 100 (Trusted tier). Its score draws on 1,721 Google reviews averaging 4.9 out of 5, 240 reviews on other major review platforms and a Better Business Bureau rating of A+.
New Well Plumbing & Heating ranks 2nd of the 8 plumbers ProScore scores in Ajax, holding a ProScore of 71 out of 100 (Trusted tier). Its score draws on 122 Google reviews averaging 4.7 out of 5 and a Better Business Bureau rating of A+.
Fix Plumbing ranks 3rd of the 8 plumbers ProScore scores in Ajax, holding a ProScore of 66 out of 100 (Good tier). Its score draws on 74 Google reviews averaging 4.9 out of 5, 98 reviews on other major review platforms and a Better Business Bureau rating of A+. Public records show it is registered with WSIB.
Wet Bandits Plumbing ranks 4th of the 8 plumbers ProScore scores in Ajax, holding a ProScore of 59 out of 100 (Good tier). Its score draws on 30 Google reviews averaging 5.0 out of 5 and a Better Business Bureau rating of A+. Public records show it is registered with WSIB.
Superior Plumbing & Heating of Ajax ranks 5th of the 8 plumbers ProScore scores in Ajax, holding a ProScore of 53 out of 100 (Basic tier). Its score draws on 87 Google reviews averaging 4.7 out of 5.
Toram Plumbing ranks 6th of the 8 plumbers ProScore scores in Ajax, holding a ProScore of 52 out of 100 (Basic tier). Its score draws on 8 Google reviews averaging 3.9 out of 5 and a Better Business Bureau rating of A+.
AY Electrical & Plumbing - Ajax ranks 7th of the 8 plumbers ProScore scores in Ajax, holding a ProScore of 51 out of 100 (Basic tier). Its score draws on 7 Google reviews averaging 5.0 out of 5.
Plumbing Masters ranks 8th of the 8 plumbers ProScore scores in Ajax, holding a ProScore of 50 out of 100 (Basic tier). Its score draws on 3 Google reviews averaging 3.7 out of 5 and a Better Business Bureau rating of A+.
Of 8 plumbers in Ajax: 0 rated Elite (81+), 2 rated Trusted (70+), and 2 rated Good (54+).
How is a plumber's ProScore calculated?
Every plumber in Ajax 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 →Who are the top 3 plumbers in Ajax?
Browse all plumbers in Ajax →What else should I check before hiring plumbers in Ajax?
Frequently Asked Questions
Who is the best plumber in Ajax?
Sewer Squad Plumbing has the highest ProScore (79/100) among 8 plumbers in Ajax, 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 Ajax?
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 Ajax, 0 plumbers hold Elite-tier ProScores (81+), 2 are Trusted-tier (70+), and 2 are Good-tier (54+).
Are plumbers in Ajax 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 8 plumbers in Ajax by ProScore, 2 carry active WSIB coverage.
How many plumbers has ProScore scored in Ajax?
ProScore has scored 8 plumbers in Ajax, Ontario. Each provider is evaluated using 10+ data sources, 20+ trust signals, and AI-analyzed customer reviews. Trust scores last computed between August 30, 2026 and September 19, 2026.
What's the ProScore distribution among plumbers in Ajax?
Among 8 plumbers in Ajax, Ontario: 0 are Elite-tier (81+), 2 are Trusted-tier (70+), and 2 are Good-tier (54+). The top 8 average a ProScore of 60/100, with Sewer Squad Plumbing leading at 79/100.