67/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 588 Google reviews, listed on Google as “Pest control service”.
Best Pest Control Companies in Markham, ON (2026)
358 pest control companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Markham: AAA Sande Wildlife Control, CR Score 67/100; 5.0★ from 588 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Orkin Canada Pest Control, posts 24/7 hours; ranked #2 of 358.
- 5
Most-reviewed: Avayda Pest Control, 2,104 Google reviews at 4.9★, the most of 358 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
358 Markham pest control companies are ranked here by CR Score, from ten published factors. 191 are open 24/7, 312 open Saturdays and 289 open Sundays, based on posted hours. The median Google rating is 4.9★ across 358 rated businesses.
Top 10 pest control companies in Markham at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | AAA Sande Wildlife Control | 67 | 5.0★ (588) | Markham | 24/7 | Overall |
| 2 | Orkin Canada Pest Control | 66 | 4.8★ (1,559) | Toronto, 8 km away | 24/7 | Emergencies |
| 3 | Homepro Pest Control | 65 | 4.9★ (2,016) | Toronto, 21 km away | 24/7 | — |
| 4 | Smite A Mite | Bed Bug Heat Treatment | 64 | 4.9★ (225) | Markham | 24/7 | — |
| 5 | Avayda Pest Control | 64 | 4.9★ (2,104) | Brampton, 14 km away | 24/7 | Most reviews |
| 6 | Hello pest control | 64 | 5.0★ (282) | Toronto, 8 km away | 24/7 | — |
| 7 | Prime Pest Control | 64 | 4.9★ (186) | Markham | 24/7 | — |
| 8 | Abell Pest Control Toronto | 64 | 4.9★ (733) | Toronto, 5 km away | Sat · Sun | — |
| 9 | Pestend Pest Control Toronto | 64 | 4.9★ (1,413) | Toronto, 25 km away | 24/7 | — |
| 10 | Pestigo Pest Control Toronto | 64 | 5.0★ (604) | Toronto, 19 km away | 24/7 | — |
The 358 best pest control companies in Markham, 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.
Based in Toronto, 8 km away
66/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 1,559 Google reviews, listed on Google as “Pest control service”.
Based in Toronto, 21 km away
65/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 2,016 Google reviews, listed on Google as “Pest control service”.
Based in Markham
64/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 225 Google reviews, listed on Google as “Pest control service”.
Based in Brampton, 14 km away
64/100CR ScoreRanked #5 because of its Google rating and review volume: 4.9★ from 2,104 Google reviews, the most in Markham.
Based in Toronto, 8 km away
64/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 282 Google reviews, listed on Google as “Pest control service”.
Based in Markham
64/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 186 Google reviews, listed on Google as “Pest control service”.
Based in Toronto, 5 km away
64/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 733 Google reviews, listed on Google as “Pest control service”.
Based in Toronto, 25 km away
64/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 1,413 Google reviews, listed on Google as “Pest control service”.
Based in Toronto, 19 km away
64/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 604 Google reviews, listed on Google as “Pest control service”.
Based in Markham
64/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 106 Google reviews, listed on Google as “Pest control service”.
Based in Markham
64/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 98 Google reviews, listed on Google as “Pest control service”.
Based in Markham
64/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 129 Google reviews, listed on Google as “Pest control service”.
Based in Toronto, 20 km away
63/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 763 Google reviews, listed on Google as “Pest control service”.
Based in Markham
63/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 104 Google reviews, listed on Google as “Pest control service”.
Based in Toronto, 8 km away
63/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 404 Google reviews, listed on Google as “Pest control service”.
Based in Toronto, 20 km away
63/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 456 Google reviews, listed on Google as “Pest control service”.
Based in Toronto, 26 km away
63/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.8★ from 1,415 Google reviews, listed on Google as “Pest control service”.
Based in Mississauga, 5 km away
63/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 99 Google reviews, listed on Google as “Pest control service”.
Based in Toronto, 14 km away
63/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 474 Google reviews, listed on Google as “Pest control service”.
Based in Toronto, 21 km away
62/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 330 Google reviews, listed on Google as “Pest control service”.
Based in Markham
62/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 119 Google reviews, listed on Google as “Pest control service”.
Based in Toronto, 22 km away
62/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 304 Google reviews, listed on Google as “Pest control service”.
Based in Richmond Hill, 10 km away
62/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 889 Google reviews, listed on Google as “Pest control service”.
Based in Toronto, 19 km away
62/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 230 Google reviews, listed on Google as “Pest control service”.
Pest control companies 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 358 ranked pest control companies here; the rest are on their profiles.
Also serving Markham
20 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.
| Business | Google rating | Distance |
|---|---|---|
| Agile Pest Control | 5.0★ (2) | 14 km |
| Capital WildLife Control - Scarborough - Raccoon Removal | 3.5★ (2) | 10 km |
| Coremaster Inc | 5.0★ (2) | 19 km |
| Everest Pest Control Inc. | In Markham | |
| Markham Premier Pest Control | In Markham | |
| Markham Wildlife Removal - King City | In Markham | |
| Markham Wildlife Removal Maple | In Markham | |
| Nimby Pest Management | 5.0★ (2) | 14 km |
| Nimby Pest Management | 3.0★ (2) | 22 km |
| Orbit Pest Control Inc. | 5.0★ (2) | 7 km |
| Pest Pro Canada Pest Control Services | 3.0★ (2) | 9 km |
| Pest Warriors | In Markham | |
| Promax Pest Control Markham | 5.0★ (1) | In Markham |
| QPS pest control Inc | 5.0★ (2) | In Markham |
| Sos Wildlife Control Scarborough | 5.0★ (2) | 9 km |
| Swift Pest Control of Markham | In Markham | |
| Swift Pest Control of Richmond Hill | 5.0★ (2) | 13 km |
| Swift Pest Control of Thornhill | 5.0★ (2) | In Markham |
| Toronto Pest Control | 5.0★ (2) | 5 km |
| Yee King Lawn | In Markham |
How we ranked Markham pest control companies
We scored 358 Markham 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.
| Factor | Weight | Computed from | In Markham data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
Pest control companies in Markham: frequently asked questions
Who is the best pest control company in Markham?
By CR Score, the highest-ranked pest control company in Markham, ON is AAA Sande Wildlife Control with a CR Score of 67/100. It has 5.0★ from 588 Google reviews. It is open 24/7. Orkin Canada Pest Control (#2) and Homepro Pest Control (#3) follow. We ranked 358 pest control companies on ten factors, last updated November 3, 2026.
How many pest control companies are there in Markham?
ContractorsRanked ranks 358 pest control companies serving Markham, ON. 11 of them are based in Markham; the rest serve it from nearby towns. Another 20 within 40 km are listed but not ranked yet. Counts are as of November 2026.
Which pest control companies in Markham are open 24/7?
191 ranked pest control companies in Markham post 24/7 hours. The highest-ranked are AAA Sande Wildlife Control (#1), Orkin Canada Pest Control (#2) and Homepro Pest Control (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pest control companies in Markham work on weekends?
312 of 358 ranked pest control companies post Saturday hours and 289 post Sunday hours. The highest-ranked open Saturdays are AAA Sande Wildlife Control (#1), Orkin Canada Pest Control (#2) and Homepro Pest Control (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Markham pest control companies have?
The median Google rating among 358 rated pest control companies in Markham is 4.9★, with a median of 37 reviews. Avayda Pest Control has the most, 2,104 reviews, and ranks #5. 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 Markham count in this ranking?
Yes, if they are within 40 km of the Markham 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 Markham
- November 2026: CR Scores recalculated for 358 pest control companies serving Markham.
- November 2026: 1 duplicate listing merged.
More pest control companies and Markham pages
Pest control companies near Markham
- Pest control companies in Scarborough, ON394 ranked
- Pest control companies in Pickering, ON302 ranked
- Pest control companies in Richmond Hill, ON414 ranked
- Pest control companies in Willowdale, ON426 ranked
- Pest control companies in North York, ON424 ranked
- Pest control companies in Ajax, ON256 ranked
- Pest control companies in Vaughan, ON418 ranked
- Pest control companies in East York, ON416 ranked
- Pest control companies in Aurora, ON342 ranked
- Pest control companies in Toronto, ON432 ranked
Other trades in Markham
- Roofers in Markham783 ranked
- Plumbers in Markham892 ranked
- Electricians in Markham736 ranked
- HVAC contractors in Markham852 ranked
- General contractors in Markham1238 ranked
- Painters in Markham386 ranked
- Landscapers in Markham482 ranked
- Handymen in Markham196 ranked
- Kitchen remodelers in Markham864 ranked
- Bathroom remodelers in Markham747 ranked
- Flooring contractors in Markham520 ranked
- Tile installers in Markham190 ranked
- Drywall contractors in Markham56 ranked
- Concrete contractors in Markham416 ranked
- Fence contractors in Markham361 ranked
- Deck builders in Markham426 ranked
- Siding contractors in Markham210 ranked
- Window installers in Markham507 ranked
- Gutter installers in Markham286 ranked
- Insulation contractors in Markham181 ranked
- Solar installers in Markham83 ranked
- Garage door repair companies in Markham193 ranked
- Foundation repair companies in Markham370 ranked
- Tree services in Markham235 ranked
- Masonry contractors in Markham304 ranked
- Water damage restoration companies in Markham492 ranked
- Home builders in Markham880 ranked
- Demolition contractors in Markham197 ranked
- Window cleaners in Markham218 ranked
- Pressure washing companies in Markham153 ranked
- Paving contractors in Markham325 ranked
- Auto glass repair shops in Markham322 ranked
- Septic service companies in Markham57 ranked
- Excavating contractors in Markham157 ranked
- Pool builders in Markham338 ranked
- All contractors in Markham