Skip to content

Best Pest Control Companies in Welland, ON (2026)

46 pest control companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Welland: Truly Nolen Pest Control & Exterminators Niagara, CR Score 63/100; 4.9★ from 1,503 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Buffalo Exterminators, posts 24/7 hours; ranked #2 of 46.

  3. 2

    Most-reviewed: Buffalo Exterminators, 1,395 Google reviews at 4.9★, the most of 46 ranked after Truly Nolen Pest Control & Exterminators Niagara; ranked #2.

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

46 Welland pest control companies are ranked here by CR Score, from ten published factors. 11 are open 24/7, 32 open Saturdays and 18 open Sundays, based on posted hours. The median Google rating is 4.8★ across 46 rated businesses.

Top 10 pest control companies in Welland at a glance

Top 10 pest control companies in Welland at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Truly Nolen Pest Control & Exterminators Niagara634.9★ (1,503)St. Catharines, 21 km away24/7Overall
2Buffalo Exterminators634.9★ (1,395)Buffalo, 34 km away24/7Emergencies, Most reviews
3Mosquito Man Niagara594.6★ (145)St. Catharines, 21 km away24/7—
4Regional Pest Management584.9★ (92)St. Catharines, 24 km awaySat · Sun—
5Akim Pest Control - Niagara Region574.4★ (82)Niagara Falls, 17 km awaySat · Sun · Evenings—
6Eco Serve Pest Services575.0★ (439)North Tonawanda, 30 km away——
7Ehrlich Pest Control574.7★ (87)Williamsville, 37 km away24/7—
8Alpine Pest Control564.1★ (48)St. Catharines, 12 km awaySat · Sun · Evenings—
9AMW Pest Control565.0★ (28)St. Catharines, 23 km awaySat · Sun · Evenings—
10Pepper Pest Prevention565.0★ (74)Norfolk County, 27 km awaySat—

The 46 best pest control companies in Welland, ranked

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

Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  1. Based in Buffalo, 34 km away

    63/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.9★ from 1,395 Google reviews, listed on Google as “Pest control service”.

    • 4.9★ from 1,395 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    567 Exchange St Ste 303, Buffalo, NY 14210
  2. Based in St. Catharines, 21 km away

    59/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.6★ from 145 Google reviews, listed on Google as “Pest control service”.

    • 4.6★ from 145 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10 Dunlop Dr C, St. Catharines, ON L2R 1A2
  3. Based in North Tonawanda, 30 km away

    57/100CR Score

    Ranked #6 because of its Google rating and trade focus: 5.0★ from 439 Google reviews, listed on Google as “Pest control service”.

    • 5.0★ from 439 Google reviews
    Hours
    Mon–Fri 8 AM–4:45 PM · Sat–Sun closed
    Address
    1020 Oliver St Suite 4, North Tonawanda, NY 14120
  4. Based in Williamsville, 37 km away

    57/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.7★ from 87 Google reviews, listed on Google as “Pest control service”.

    • 4.7★ from 87 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1321 Millersport Hwy, Williamsville, NY 14221
  5. Based in St. Catharines, 23 km away

    56/100CR Score

    Ranked #9 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Pest control service”.

    • 5.0★ from 28 Google reviews
    Hours
    Mon–Sun 8 AM–9 PM
    Address
    375 Scott St, St. Catharines, ON L2M 3W3
  6. Based in St. Catharines, 17 km away

    55/100CR Score

    Ranked #17 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Pest control service”.

    • 5.0★ from 7 Google reviews
    Hours
    Mon–Fri 7 AM–9 PM · Sat–Sun 9 AM–3 PM
    Address
    79 Sidney Rose Cmn, St. Catharines, ON L2T 0B3
  7. Based in Tonawanda, 29 km away

    54/100CR Score

    Ranked #20 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “Pest control service”.

    • 5.0★ from 41 Google reviews
    Hours
    Mon–Thu 8 AM–5 PM · Fri–Sat closed · Sun 8 AM–5 PM
    Address
    296 Hinds St Apt 30, Tonawanda, NY 14150
  8. Based in St. Catharines, 24 km away

    54/100CR Score

    Ranked #22 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Pest control service”.

    • 3.7★ from 3 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    22 Shelley Ave, St. Catharines, ON L2N 5L5
  9. Based in Lackawanna, 38 km away

    53/100CR Score

    Ranked #23 because of its Google rating and trade focus: 5.0★ from 56 Google reviews, listed on Google as “Pest control service”.

    • 5.0★ from 56 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat 8 AM–12 PM · Sun closed
    Address
    2558 Hamburg Turnpike Suite 210, Lackawanna, NY 14218
  10. Based in St. Catharines, 12 km away

    53/100CR Score

    Ranked #25 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Pest control service”.

    • 5.0★ from 4 Google reviews
    Hours
    Mon–Fri 8 AM–8 PM · Sat 10 AM–3 PM · Sun closed

All 46 pest control companies

#1 to #25 are shown in full above. Here are #26 to #46, in CR Score order; each links to its profile.

pest control companies in Welland, ranks 26 to 46
RankBusinessCR ScoreGoogle ratingDistance
26Bugg Control, Inc.534.5★ (17)23 km
27Delaney Pest Control523.6★ (11)18 km
28Simply the Best Cleaning Services525.0★ (156)40 km
29Bed Bug Rx, LLC525.0★ (11)29 km
30Bugs No More524.6★ (14)30 km
31Avid Pest Services524.9★ (36)31 km
32Liftoff Softwash Solutions525.0★ (16)17 km
33Sheldon Pest Management513.2★ (28)19 km
34Paradisus Window Cleaning & House Washing Services514.8★ (436)21 km
35Certified Pest Solutions, Inc.514.7★ (71)40 km
36Professional Home Detailing514.7★ (101)38 km
37Amherst Exterminators503.7★ (21)32 km
38Bugbusters504.0★ (4)31 km
39Buffalo Pest Service494.0★ (4)33 km
40Advanced Exterminating Co494.0★ (33)40 km
41New System Pet Control Srv494.2★ (5)35 km
42Buffalo Lawn & Pest Services494.8★ (318)38 km
43Empire State Exterminating Inc495.0★ (9)36 km
44JacopilleBornheimer Wildlife483.4★ (16)32 km
45Ashland Pest Control, Inc.484.0★ (4)31 km
46Critter Control of Buffalo474.9★ (79)35 km

Also serving Welland

14 more pest control companies within 40 km that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.

How we ranked Welland pest control companies

We scored 46 Welland pest control companies 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

Pest control companies in Welland: frequently asked questions

Who is the best pest control company in Welland?

By CR Score, the highest-ranked pest control company in Welland, ON is Truly Nolen Pest Control & Exterminators Niagara with a CR Score of 63/100. It has 4.9★ from 1,503 Google reviews. It is open 24/7. Buffalo Exterminators (#2) and Mosquito Man Niagara (#3) follow. We ranked 46 pest control companies on ten factors, last updated November 3, 2026.

How many pest control companies are there in Welland?

ContractorsRanked ranks 46 pest control companies serving Welland, ON. 2 of them are based in Welland; the rest serve it from nearby towns. Another 14 within 40 km are listed but not ranked yet. Counts are as of November 2026.

Which pest control companies in Welland are open 24/7?

11 ranked pest control companies in Welland post 24/7 hours. The highest-ranked are Truly Nolen Pest Control & Exterminators Niagara (#1), Buffalo Exterminators (#2) and Mosquito Man Niagara (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.

Which pest control companies in Welland work on weekends?

32 of 46 ranked pest control companies post Saturday hours and 18 post Sunday hours. The highest-ranked open Saturdays are Truly Nolen Pest Control & Exterminators Niagara (#1), Buffalo Exterminators (#2) and Mosquito Man Niagara (#3). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Welland pest control companies have?

The median Google rating among 46 rated pest control companies in Welland is 4.8★, with a median of 34 reviews. Truly Nolen Pest Control & Exterminators Niagara has the most, 1,503 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank pest control companies?

Each pest control company 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 pest control companies outside Welland count in this ranking?

Yes, if they are within 40 km of the Welland city centre, our service radius for pest control companies. 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 pest control companies 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 46 pest control companies serving Welland.

More pest control companies and Welland pages

Other trades in Welland