Plumbers in Hamilton
40 plumbers in Hamilton with multi-platform trust scores.
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Who is the best plumber in Hamilton, Ontario?
The most trusted plumber in Hamilton, Ontario is Flow Plumbing, with a ProScore of 77/100. ProScore has scored 40 plumbers in Hamilton across 10+ data sources and 20+ trust signals. 17 of the 40 are Trusted-tier (70+) or higher.
Trust scores last computed between July 6, 2026 and September 19, 2026.
Which plumbers in Hamilton score highest?
Top 30 of 40 scored plumbers in Hamilton, ranked by ProScore.
ProScore scores 40 plumbers in Hamilton, and their average score is 64 out of 100. 17 of them reach the Trusted threshold of 70 or higher. 13 are registered with WSIB and 3 hold a TSSA licence. 40 have Google reviews on file — 3,802 reviews in total, and 25 carry a Better Business Bureau rating.
Flow Plumbing ranks 1st of the 40 plumbers ProScore scores in Hamilton, holding a ProScore of 77 out of 100 (Trusted tier). Its score draws on 55 Google reviews averaging 5.0 out of 5 and a Better Business Bureau rating of A+. Public records show it is registered with WSIB.
John The Plumber ranks 2nd of the 40 plumbers ProScore scores in Hamilton, holding a ProScore of 76 out of 100 (Trusted tier). Its score draws on 479 Google reviews averaging 4.8 out of 5 and a Better Business Bureau rating of A+.
Birnie Plumbing and Drains ranks 3rd of the 40 plumbers ProScore scores in Hamilton, holding a ProScore of 75 out of 100 (Trusted tier). Its score draws on 1,266 Google reviews averaging 4.5 out of 5 and a Better Business Bureau rating of A+.
MDM Mechanical ranks 4th of the 40 plumbers ProScore scores in Hamilton, holding a ProScore of 75 out of 100 (Trusted tier). Its score draws on 130 Google reviews averaging 5.0 out of 5. Public records show it is registered with WSIB. Its ProScore has fallen since the previous recompute.
Pacific Plumbing & Pumping Services Inc. ranks 5th of the 40 plumbers ProScore scores in Hamilton, holding a ProScore of 75 out of 100 (Trusted tier). Its score draws on 71 Google reviews averaging 4.7 out of 5 and a Better Business Bureau rating of B-. Public records show it is registered with WSIB.
Plumb Pros Plumbing and Drains ranks 6th of the 40 plumbers ProScore scores in Hamilton, holding a ProScore of 75 out of 100 (Trusted tier). Its score draws on 22 Google reviews averaging 5.0 out of 5, 1 review on other major review platforms and a Better Business Bureau rating of A+.
Sewer Squad Plumbing ranks 7th of the 40 plumbers ProScore scores in Hamilton, holding a ProScore of 75 out of 100 (Trusted tier). Its score draws on 3 Google reviews averaging 5.0 out of 5, 240 reviews on other major review platforms and a Better Business Bureau rating of A+.
Drain Unit ranks 8th of the 40 plumbers ProScore scores in Hamilton, holding a ProScore of 74 out of 100 (Trusted tier). Its score draws on 172 Google reviews averaging 5.0 out of 5. Public records show it is registered with WSIB.
Greg's Plumbing and Heating Inc. ranks 9th of the 40 plumbers ProScore scores in Hamilton, holding a ProScore of 74 out of 100 (Trusted tier). Its score draws on 165 Google reviews averaging 4.6 out of 5 and a Better Business Bureau rating of A+. Public records show it is registered with WSIB and licensed by the TSSA.
B & L Sewer and Water INC ranks 10th of the 40 plumbers ProScore scores in Hamilton, holding a ProScore of 73 out of 100 (Trusted tier). Its score draws on 55 Google reviews averaging 5.0 out of 5 and a Better Business Bureau rating of A. Public records show it is registered with WSIB.
Hamilton Plumbing Solutions Inc ranks 11th of the 40 plumbers ProScore scores in Hamilton, holding a ProScore of 73 out of 100 (Trusted tier). Its score draws on 54 Google reviews averaging 5.0 out of 5 and a Better Business Bureau rating of A+. Public records show it is registered with WSIB.
Mr. Rooter Plumbing of Hamilton ranks 12th of the 40 plumbers ProScore scores in Hamilton, holding a ProScore of 73 out of 100 (Trusted tier), and reports 26 years in business. Its score draws on 46 Google reviews averaging 4.1 out of 5 and a Better Business Bureau rating of A. Public records show it is registered with WSIB. Its ProScore has risen since the previous recompute.
a Rescue Rooter ranks 13th of the 40 plumbers ProScore scores in Hamilton, holding a ProScore of 72 out of 100 (Trusted tier). Its score draws on 226 Google reviews averaging 4.7 out of 5 and a Better Business Bureau rating of A+.
Archie Horn & Son ranks 14th of the 40 plumbers ProScore scores in Hamilton, holding a ProScore of 72 out of 100 (Trusted tier). Its score draws on 297 Google reviews averaging 4.6 out of 5 and a Better Business Bureau rating of B-. Public records show it is registered with WSIB.
Superior Plumbing & Heating of Hamilton ranks 15th of the 40 plumbers ProScore scores in Hamilton, holding a ProScore of 72 out of 100 (Trusted tier). Its score draws on 69 Google reviews averaging 4.9 out of 5 and a Better Business Bureau rating of A+.
Gauthier Plumbing ranks 16th of the 40 plumbers ProScore scores in Hamilton, holding a ProScore of 70 out of 100 (Trusted tier). Its score draws on 14 Google reviews averaging 4.5 out of 5 and a Better Business Bureau rating of A+.
Vice Plumbing and Drains ranks 17th of the 40 plumbers ProScore scores in Hamilton, holding a ProScore of 70 out of 100 (Trusted tier). Its score draws on 39 Google reviews averaging 4.8 out of 5 and a Better Business Bureau rating of A+. Public records show it is registered with WSIB. Its ProScore has risen since the previous recompute.
Pitton Plumbing & Heating Inc ranks 18th of the 40 plumbers ProScore scores in Hamilton, holding a ProScore of 69 out of 100 (Good tier). Its score draws on 86 Google reviews averaging 4.4 out of 5 and a Better Business Bureau rating of A. Public records show it is licensed by the TSSA.
BRH Plumbing ranks 19th of the 40 plumbers ProScore scores in Hamilton, holding a ProScore of 68 out of 100 (Good tier). Its score draws on 24 Google reviews averaging 5.0 out of 5 and a Better Business Bureau rating of A+. Its ProScore has risen since the previous recompute.
The Hamilton Plumber ranks 20th of the 40 plumbers ProScore scores in Hamilton, holding a ProScore of 68 out of 100 (Good tier). Its score draws on 29 Google reviews averaging 5.0 out of 5 and 98 reviews on other major review platforms.
Roto-Rooter Plumbing & Water Cleanup ranks 21st of the 40 plumbers ProScore scores in Hamilton, holding a ProScore of 66 out of 100 (Good tier). Its score draws on 157 Google reviews averaging 4.8 out of 5.
TC Plumbing ranks 22nd of the 40 plumbers ProScore scores in Hamilton, holding a ProScore of 66 out of 100 (Good tier). Its score draws on 35 Google reviews averaging 4.9 out of 5 and a Better Business Bureau rating of A+.
The Super Plumber - Hamilton ranks 23rd of the 40 plumbers ProScore scores in Hamilton, holding a ProScore of 66 out of 100 (Good tier). Its score draws on 81 Google reviews averaging 4.7 out of 5.
JLT CONTRACTING LTD ranks 24th of the 40 plumbers ProScore scores in Hamilton, holding a ProScore of 64 out of 100 (Good tier). Its score draws on 14 Google reviews averaging 5.0 out of 5.
Rosedale Plumbing of Hamilton ranks 25th of the 40 plumbers ProScore scores in Hamilton, holding a ProScore of 64 out of 100 (Good tier). Its score draws on 16 Google reviews averaging 5.0 out of 5. Its ProScore has risen since the previous recompute.
Park Plumbing Solutions ranks 26th of the 40 plumbers ProScore scores in Hamilton, holding a ProScore of 59 out of 100 (Good tier). Its score draws on 25 Google reviews averaging 5.0 out of 5.
A1 Plumbing & Mechanical ranks 27th of the 40 plumbers ProScore scores in Hamilton, holding a ProScore of 58 out of 100 (Good tier). Its score draws on 21 Google reviews averaging 3.9 out of 5 and a Better Business Bureau rating of A+. Its ProScore has risen since the previous recompute.
CDP Plumbing of Hamilton ranks 28th of the 40 plumbers ProScore scores in Hamilton, holding a ProScore of 58 out of 100 (Good tier). Its score draws on 3 Google reviews averaging 5.0 out of 5.
Davcon Plumbing ranks 29th of the 40 plumbers ProScore scores in Hamilton, holding a ProScore of 58 out of 100 (Good tier). Its score draws on 4 Google reviews averaging 5.0 out of 5 and a Better Business Bureau rating of A+. Public records show it is registered with WSIB. Its ProScore has risen since the previous recompute.
Drain King Plumbers Hamilton ranks 30th of the 40 plumbers ProScore scores in Hamilton, holding a ProScore of 56 out of 100 (Good tier). Its score draws on 4 Google reviews averaging 3.0 out of 5 and a Better Business Bureau rating of A+.
Of 40 plumbers in Hamilton: 0 rated Elite (81+), 17 rated Trusted (70+), and 13 rated Good (54+).
How is a plumber's ProScore calculated?
Every plumber in Hamilton 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 Hamilton?
Browse all plumbers in Hamilton →What else should I check before hiring plumbers in Hamilton?
Frequently Asked Questions
Who is the best plumber in Hamilton?
Flow Plumbing has the highest ProScore (77/100) among 40 plumbers in Hamilton, 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 Hamilton?
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 Hamilton, 0 plumbers hold Elite-tier ProScores (81+), 17 are Trusted-tier (70+), and 13 are Good-tier (54+).
Are plumbers in Hamilton 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 30 plumbers in Hamilton by ProScore, 11 carry active WSIB coverage.
How many plumbers has ProScore scored in Hamilton?
ProScore has scored 40 plumbers in Hamilton, Ontario. Each provider is evaluated using 10+ data sources, 20+ trust signals, and AI-analyzed customer reviews. Trust scores last computed between July 6, 2026 and September 19, 2026.
What's the ProScore distribution among plumbers in Hamilton?
Among 40 plumbers in Hamilton, Ontario: 0 are Elite-tier (81+), 17 are Trusted-tier (70+), and 13 are Good-tier (54+). The top 30 average a ProScore of 69/100, with Flow Plumbing leading at 77/100.