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Best Pool Builders in Welland, ON (2026)

139 pool builders ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Welland: POOL BUSTERS, CR Score 62/100; 4.6★ from 287 Google reviews.

  2. 25

    Best for emergencies (open 24/7): Niagara Landscaping Lawn Care and Cleaning (NLLC), posts 24/7 hours; ranked #25 of 139.

  3. 2

    Most-reviewed: Majestic Pools, 831 Google reviews at 4.7★, the most of 139 ranked; ranked #2.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

139 Welland pool builders are ranked here by CR Score, from ten published factors. 9 are open 24/7, 89 open Saturdays and 43 open Sundays, based on posted hours. The median Google rating is 4.6★ across 139 rated businesses.

Top 10 pool builders in Welland at a glance

Top 10 pool builders in Welland at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1POOL BUSTERS624.6★ (287)Welland—Overall
2Majestic Pools614.7★ (831)Depew, 46 km awaySat · SunMost reviews
3MP Paradise Pools and Spas604.5★ (218)WellandSat—
4Paradox Pools Inc.594.9★ (31)WellandSat · Sun—
5Buffalo Pool Service LLC594.8★ (335)Buffalo, 38 km awaySat · Evenings—
6Sun & Splash Pool Service584.8★ (47)WellandSun · Evenings—
7MP Paradise Hot Tub & Swim Spa Outlet585.0★ (20)WellandSat · Sun · Evenings—
8The Pool Shoppe584.4★ (645)Hamilton, 53 km awaySat · Sun—
9MP Paradise Pools and Spas584.4★ (243)Niagara Falls, 17 km awaySat—
10Aqua-Blue Pools & Spas584.2★ (171)WellandSat—

The 139 best pool builders in Welland, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

  1. Ranked #1 in Welland

    Based in Welland

    62/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.6★ from 287 Google reviews, listed on Google as “Swimming pool contractor”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 4.6★ from 287 Google reviews
    Address
    170 Hwy 20 W Unit 7, Fonthill, ON L0S 1E0
  2. Based in Depew, 46 km away

    61/100CR Score

    Ranked #2 because of its Google rating and review volume: 4.7★ from 831 Google reviews, the most in Welland.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.7★ from 831 Google reviews
    Hours
    Mon–Fri 10 AM–6 PM · Sat 10 AM–5 PM · Sun 11 AM–3 PM
    Address
    6315 Transit Rd, Depew, NY 14043
  3. Based in Welland

    60/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.5★ from 218 Google reviews, listed on Google as “Swimming pool contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.5★ from 218 Google reviews
    Hours
    Mon–Fri 10 AM–5 PM · Sat 9 AM–5 PM · Sun closed
    Address
    554 Thorold Rd, Welland, ON L3C 3W8
  4. Based in Welland

    59/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.9★ from 31 Google reviews, listed on Google as “Swimming pool contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 31 Google reviews
    Hours
    Mon–Sat 9 AM–6 PM · Sun 9 AM–5 PM
  5. Based in Buffalo, 38 km away

    59/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.8★ from 335 Google reviews, listed on Google as “Swimming pool repair service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 335 Google reviews
    Hours
    Mon–Sat 8 AM–8 PM · Sun closed
  6. Based in Welland

    58/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.8★ from 47 Google reviews, listed on Google as “Swimming pool contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 47 Google reviews
    Hours
    Mon–Fri 8 AM–7 PM · Sat closed · Sun 8 AM–7 PM
  7. Based in Hamilton, 53 km away

    58/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.4★ from 645 Google reviews, listed on Google as “Swimming pool contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.4★ from 645 Google reviews
    Hours
    Mon–Fri 10 AM–6 PM · Sat 9 AM–5 PM · Sun 10 AM–4 PM
    Address
    1333 Rymal Rd E, Hamilton, ON L8W 3N1
  8. Based in Niagara Falls, 17 km away

    58/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.4★ from 243 Google reviews, listed on Google as “Swimming pool contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.4★ from 243 Google reviews
    Hours
    Mon–Fri 10 AM–5 PM · Sat 9 AM–5 PM · Sun closed
    Address
    6309 Drummond Rd, Niagara Falls, ON L2G 4M8, Canada
  9. Based in Welland

    58/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.2★ from 171 Google reviews, listed on Google as “Swimming pool contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.2★ from 171 Google reviews
    Hours
    Mon–Fri 10 AM–5 PM · Sat 10 AM–4 PM · Sun closed
    Address
    633 King St, Welland, ON L3B 3L4
  10. Based in Hamilton, 53 km away

    57/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.4★ from 500 Google reviews, listed on Google as “Swimming pool contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.4★ from 500 Google reviews
    Hours
    Mon–Fri 10 AM–6 PM · Sat 9 AM–5 PM · Sun 11 AM–4 PM
    Address
    1160 Rymal Rd E, Hamilton, ON L8W 3N7
  11. Based in Port Colborne, 8 km away

    57/100CR Score

    Ranked #12 because of its Google rating and review volume: 4.9★ from 203 Google reviews.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 203 Google reviews
    Hours
    Mon–Fri 10 AM–5 PM · Sat 9 AM–5 PM · Sun closed
    Address
    41021 Forks Rd, Wainfleet, ON L0S 1V0
  12. Based in Port Colborne, 17 km away

    57/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.6★ from 66 Google reviews, listed on Google as “Swimming pool contractor”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 4.6★ from 66 Google reviews
    Address
    Stevensville Rd, Stevensville, ON L0S 1S0
  13. Based in Lancaster, 54 km away

    57/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.9★ from 201 Google reviews, listed on Google as “Swimming pool contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 201 Google reviews
    Hours
    Mon–Sat 8 AM–8 PM · Sun closed
    Address
    699 Ransom Rd, Lancaster, NY 14086
  14. Based in Niagara Falls, 19 km away

    56/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.8★ from 25 Google reviews, listed on Google as “Swimming pool contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 25 Google reviews
    Hours
    Mon–Wed 8:30 AM–5 PM · Thu 8:30 AM–6 PM · Fri 8:30 AM–5 PM · Sat 9 AM–4 PM · Sun 9 AM–3 PM
    Address
    4530 Drummond Rd, Niagara Falls, ON L2E 6C7, Canada
  15. Based in Burlington, 60 km away

    56/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.3★ from 565 Google reviews, listed on Google as “Swimming pool contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.3★ from 565 Google reviews
    Hours
    Mon–Fri 10 AM–6 PM · Sat 9 AM–5 PM · Sun 11 AM–4 PM
    Address
    4265 Fairview St, Burlington, ON L7N 2G1
  16. Based in St. Catharines, 18 km away

    56/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.3★ from 144 Google reviews, listed on Google as “Swimming pool contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.3★ from 144 Google reviews
    Hours
    Mon–Fri 10 AM–5 PM · Sat 9 AM–5 PM · Sun closed
    Address
    207 St Paul St W, St. Catharines, ON L2S 2E1
  17. Based in St. Catharines, 12 km away

    56/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.8★ from 32 Google reviews, listed on Google as “Swimming pool contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 32 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat 9 AM–4 PM · Sun closed
  18. Based in Ancaster, 62 km away

    56/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.4★ from 390 Google reviews, listed on Google as “Swimming pool contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.4★ from 390 Google reviews
    Hours
    Mon–Fri 10 AM–6 PM · Sat 9 AM–5 PM · Sun 11 AM–4 PM
    Address
    597 Garner Rd E, Ancaster, ON L9G 3K9
  19. Based in Burlington, 63 km away

    56/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.6★ from 478 Google reviews, listed on Google as “Swimming pool contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.6★ from 478 Google reviews
    Hours
    Mon–Fri 9 AM–6 PM · Sat 9 AM–5 PM · Sun closed
    Address
    1800 Appleby Line Unit 14, Burlington, ON L6L 6A1
  20. Based in Buffalo, 43 km away

    55/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.8★ from 46 Google reviews, listed on Google as “Swimming pool contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 46 Google reviews
    Hours
    Mon–Sun 8 AM–8 PM
    Address
    100 Shirley Dr, Buffalo, NY 14218
  21. Based in Amherst, 36 km away

    55/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.7★ from 90 Google reviews, listed on Google as “Swimming pool repair service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.7★ from 90 Google reviews
    Hours
    Mon–Fri 10 AM–6 PM · Sat 10 AM–5 PM · Sun closed
    Address
    4525 Bailey Ave #2127, Amherst, NY 14226
  22. Based in St. Catharines, 20 km away

    55/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.9★ from 74 Google reviews, listed on Google as “Swimming pool contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 74 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    90 Niagara St Unit A, St. Catharines, ON L2R 4K9

Pool builders ranked #26 to #50

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 139 ranked pool builders here; the rest are on their profiles.

pool builders in Welland, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Pioneer Family Pools & Spas554.3★ (362)64 km
27Camo Gas Repair554.9★ (88)In Welland
28Trident Pool Leak Detection554.9★ (64)61 km
29Boldt Pools and Spas554.3★ (711)22 km
30Precision Pools554.7★ (41)31 km
31Liners Plus554.5★ (29)33 km
32MP Paradise Pools and Spas554.4★ (70)26 km
33Aqua-Don Pool Service & Supplies554.3★ (82)22 km
34Smart Pools554.5★ (43)58 km
35MP Paradise Hot Tub & Swim Spa Outlet545.0★ (8)17 km
36Risko Contracting545.0★ (13)12 km
37Pool Ninjas544.9★ (106)63 km
38Blue Pools545.0★ (85)60 km
39KD Pool Builders545.0★ (7)32 km
40A.J. Pools545.0★ (28)12 km
41Pool Guy ON544.8★ (47)61 km
42Smiley Pool Service543.8★ (42)30 km
43Niagara Pool Liners Ltd.544.3★ (16)10 km
44Puddle Pool Services544.8★ (38)58 km
45Clear Water Pools and Construction Services545.0★ (54)34 km
46Mercante Brothers - Inground Pools & Concrete544.9★ (31)54 km
47Gary Pools & Leisure544.1★ (131)35 km
48Lakeview Pools and Concrete535.0★ (10)10 km
49SiwaCorp – Pool & Hot Tub Services535.0★ (3)15 km
50Total Pro Pools534.6★ (9)16 km

Also serving Welland

20 more pool builders within 64 km that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.

Unranked pool builders serving Welland
BusinessGoogle ratingDistance
Aquastar Pool Services4.0★ (1)61 km
Delta Plumbers4.9★ (159)In Welland
Eco Niagara Construction5.0★ (2)14 km
Falcon Pool & Gas Works5.0★ (1)33 km
Garden City Pools4.0★ (2)15 km
Hannah Pools3.5★ (2)16 km
Honey Pool & Home5.0★ (2)63 km
Kodiak Contracting5.0★ (1)51 km
KRS Concrete Inc4.3★ (11)In Welland
LeisureScapesIn Welland
Luxury Plumbing of Welland5.0★ (92)In Welland
NexFlow Plumbing Welland5.0★ (4)In Welland
Pool House Buffalo4.0★ (1)38 km
Pools Tubs Liners - PTL Direct Ltd5.0★ (2)22 km
PrimeFlow Niagara Plumbing5.0★ (6)In Welland
Pur Pools5.0★ (2)In Welland
Superior Stone Landscape Contractors5.0★ (2)60 km
Swimming pool liner replacements5.0★ (1)19 km
Total Land Care Services5.0★ (2)19 km
WNYpoolliners.com5.0★ (2)30 km

How we ranked Welland pool builders

We scored 139 Welland pool builders on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed November 3, 2026.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Welland data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Pool builders in Welland: frequently asked questions

Who is the best pool builder in Welland?

By CR Score, the highest-ranked pool builder in Welland, ON is POOL BUSTERS with a CR Score of 62/100. It has 4.6★ from 287 Google reviews. Majestic Pools (#2) and MP Paradise Pools and Spas (#3) follow. We ranked 139 pool builders on ten factors, last updated November 3, 2026.

How many pool builders are there in Welland?

ContractorsRanked ranks 139 pool builders serving Welland, ON. 7 of them are based in Welland; the rest serve it from nearby towns. Another 20 within 64 km are listed but not ranked yet. Counts are as of November 2026.

Which pool builders in Welland are open 24/7?

9 ranked pool builders in Welland post 24/7 hours. The highest-ranked is Niagara Landscaping Lawn Care and Cleaning (NLLC) (#25). Hours come from each business's Google listing as of November 2026, so call to confirm.

Which pool builders in Welland work on weekends?

89 of 139 ranked pool builders post Saturday hours and 43 post Sunday hours. The highest-ranked open Saturdays are Majestic Pools (#2), MP Paradise Pools and Spas (#3) and Paradox Pools Inc. (#4). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Welland pool builders have?

The median Google rating among 139 rated pool builders in Welland is 4.6★, with a median of 34 reviews. Majestic Pools has the most, 831 reviews, and ranks #2. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank pool builders?

Each pool builder gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Do pool builders outside Welland count in this ranking?

Yes, if they are within 64 km of the Welland city centre, our service radius for pool builders. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.

Can pool builders pay to rank higher on ContractorsRanked?

No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.

Update log for Welland

  1. November 2026: CR Scores recalculated for 139 pool builders serving Welland.
  2. November 2026: 2 duplicate listings merged.

More pool builders and Welland pages

Other trades in Welland