Best for Pool installs & liners
Pool installation, liners, repairs and hot tubs. 2,000+ pools installed; 40+ industry awards. Operating since 1975.
- Since 1975
- 2,000+ pools installed; 40+ industry awards
Best pool installation companies in St. Catharines 2026 | Landscaper Index Canada
Looking for pool installation companies in St. Catharines? We scored local companies on their Google rating, how many reviews they have earned and how complete their business profile is, then ranked the 3 strongest below. All companies can be included in the ranking.
Use the comparison table for a quick overview, then read each profile for what customers consistently praise, any recurring complaints, and the services each company offers in St. Catharines and the surrounding area.
At a glance
| # | Company | Score | Rating | Best for |
|---|---|---|---|---|
| 1 | Boldt Pools and Spas | 13 | — | Pool installs & liners |
| 2 | MP Paradise Pools & Spas St. Catharines | 13 | — | Pool installs & liners |
| 3 | Aqua Don Pools | 13 | — | Pool installs & liners |
Best for Pool installs & liners
Pool installation, liner replacement, hot tubs and swim spas. Licensed contractor. Operating since 1992.
- Since 1992
- Licensed contractor
Best for Pool installs & liners
Pool installs, liner replacement, salt systems and repairs. Liners and covers made locally in Niagara. Operating since 2019.
- Since 2019
- Liners and covers made locally in Niagara
How was this ranking calculated?
| Adjusted Google rating | 55% |
| Review volume | 30% |
| Profile completeness | 15% |
Order within a service ranking also weighs how central that service is to each business, so a specialist can rank above a higher-scoring generalist. Data checked October 26, 2026. Full methodology ›
Frequently asked questions
Who is the top-rated company for pool building in St. Catharines?
As of October 26, 2026, Boldt Pools and Spas holds the #1 spot for pool building in St. Catharines with a score of 13/100, based on a 0-star Google rating from 0 reviews.
How are these St. Catharines companies ranked?
Each company receives a 0–100 score built from its Google rating (adjusted for how many reviews it has), its review volume and the completeness of its business profile. Placement cannot be bought. Our scoring method page explains the formula in full.
How often is this ranking updated?
We re-check ratings and review counts regularly. This page was last updated on October 26, 2026.
My company is missing or has wrong details. What can I do?
Send us a request through the corrections and removals page and we will review it, usually within a few business days.