Best Plumbers in Thunder Bay

We have reviewed and ranked the best local plumbing companies in Thunder Bay

Clow Darling Limited

4.1 (72 Reviews)Write a Review
ContactSee Details

1201 Cameron Street, Thunder Bay, ON

(807) 623-7485

Website

Clow Darling Limited is a plumbing company serving Thunder Bay, ON, rated 4.1★ across 72 reviews. Reviewers repeatedly call out its communication, professionalism, workmanship. It carries an N49 Trust Score of 63.8/100 across our 10-factor review. Altogether it carries ~81 reviews across 3 platforms. Read More

Why this 63.8/100 trust score — the facts behind each pointThe facts behind your trust score
Trust Score63.8/100

Craig Plumbing Centre

4 (54 Reviews)Write a Review
ContactSee Details

1263 Amber Drive, Thunder Bay, ON

(807) 345-1137

Website

Craig Plumbing Centre holds 4★ across 54 reviews as a trusted plumbing provider in Thunder Bay, ON. The praise that keeps recurring: workmanship, punctuality, communication. It earns an N49 Trust Score of 61/100 in our independent review. Altogether it carries ~78 reviews across 5 platforms. Read More

Why this 61/100 trust score — the facts behind each pointThe facts behind your trust score
Trust Score61/100

Robert's Plumbing & Sheet Metal

3.8 (118 Reviews)Write a Review
ContactSee Details

286 Secord St, Thunder Bay, ON

(807) 345-9353

Website

Robert's Plumbing & Sheet Metal is a plumbing company serving Thunder Bay, ON, rated 3.8★ across 118 reviews. Reviewers repeatedly call out its punctuality, communication, workmanship. It carries an N49 Trust Score of 58.6/100 across our 10-factor review. Altogether it carries ~128 reviews across 2 platforms. Read More

Why this 58.6/100 trust score — the facts behind each pointThe facts behind your trust score
Trust Score58.6/100

Thermal Mechanical Systems Inc

3.7 (22 Reviews)Write a Review
See Details

648 Squier St #5, Thunder Bay, ON

(807) 345-5200

Thermal Mechanical Systems Inc is a plumbing company serving Thunder Bay, ON, rated 3.7★ across 22 reviews. Reviewers repeatedly call out its workmanship, punctuality, communication. It carries an N49 Trust Score of 42.1/100 across our 10-factor review. Altogether it carries ~22 reviews across 1 platforms. Read More

Why this 42.1/100 trust score — the facts behind each pointThe facts behind your trust score
Trust Score42.1/100
3.9★ average rating
266 total reviews across the top 20
Curated by AI
Ranked by the N49 Trust Score — reviews, multi-platform reputation, local visibility and online presence, not paid placement.

About Thunder Bay’s Top Plumbers

Looking for a trusted plumbing company in Thunder Bay? Plumbing.ca helps homeowners and businesses compare plumbing companies serving Thunder Bay.

Our rankings use the N49 Trust Score, which considers factors such as Google reviews, review quality and recency, business reputation, years in business, website quality and other public trust signals.

Companies are not ranked simply because they advertise more or rank higher on Google.

Businesses cannot pay to improve their Trust Score or organic ranking. Sponsored listings, where available, are always clearly identified.

Plumbing Frequently Asked Questions

Q. How are Thunder Bay plumbers ranked?

Plumbers are evaluated using the N49 Trust Score, which combines customer reviews, reputation, review activity, business credibility and other public trust signals.

Q. Can a company pay to rank higher?

No. Sponsored placements do not affect a company’s Trust Score or organic ranking.

Q. Do all plumbers offer 24-hour emergency service?

No. Check each company’s profile to confirm the services and areas they cover.

Q. How often are the rankings updated?

The rankings are reviewed and refreshed as reviews and business information change.