63/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 3,068 Google reviews, the most in Charlton.
Best Pest Control Companies in Charlton, MA (2026)
58 pest control companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Charlton: Insight Pest Solutions, CR Score 63/100; 4.8★ from 3,068 Google reviews; open 7 days a week.
- 3
Best for emergencies (open 24/7): Big Blue Bug Solutions, posts 24/7 hours; ranked #3 of 58.
- 5
Most-reviewed: Colonial Pest Control Inc., 2,504 Google reviews at 4.9★, the most of 58 ranked after Insight Pest Solutions; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
58 Charlton pest control companies are ranked here by CR Score, from ten published factors. 11 are open 24/7, 44 open Saturdays and 23 open Sundays, based on posted hours. The median Google rating is 4.9★ across 58 rated businesses.
Top 10 pest control companies in Charlton at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Insight Pest Solutions | 63 | 4.8★ (3,068) | Millbury, 12 mi away | Sat · Sun · Evenings | Overall |
| 2 | Mosquito Squad of Worcester | 63 | 4.9★ (1,047) | Auburn, 8 mi away | Sat · Sun · Evenings | — |
| 3 | Big Blue Bug Solutions | 61 | 5.0★ (488) | Shrewsbury, 18 mi away | 24/7 | Emergencies |
| 4 | Mosquito Joe of Leominster-Worcester | 61 | 4.9★ (231) | Worcester, 12 mi away | 24/7 | — |
| 5 | Colonial Pest Control Inc. | 61 | 4.9★ (2,504) | Worcester, 14 mi away | Sat | Most reviews |
| 6 | Ransford Pest Control | 60 | 4.9★ (883) | Shrewsbury, 17 mi away | Sat · Sun · Evenings | — |
| 7 | Ford's Hometown Services | 60 | 4.9★ (1,058) | Worcester, 13 mi away | Sat | — |
| 8 | Terminix | 58 | 4.6★ (78) | Shrewsbury, 15 mi away | 24/7 | — |
| 9 | Fox Pest Control Worcester | 57 | 4.6★ (44) | Worcester, 13 mi away | 24/7 | — |
| 10 | Armor Pest Control | 57 | 4.9★ (42) | Worcester, 9 mi away | Sat · Sun · Evenings | — |
The 58 best pest control companies in Charlton, 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 Auburn, 8 mi away
63/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 1,047 Google reviews, listed on Google as “Pest control service”.
Based in Shrewsbury, 18 mi away
61/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 488 Google reviews, listed on Google as “Pest control service”.
Based in Worcester, 12 mi away
61/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 231 Google reviews, listed on Google as “Pest control service”.
Based in Worcester, 14 mi away
61/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 2,504 Google reviews, listed on Google as “Pest control service”.
Based in Shrewsbury, 17 mi away
60/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 883 Google reviews, listed on Google as “Pest control service”.
Based in Worcester, 13 mi away
60/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 1,058 Google reviews, listed on Google as “Pest control service”.
#8 Terminix
Based in Shrewsbury, 15 mi away
58/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.6★ from 78 Google reviews, listed on Google as “Pest control service”.
Based in Worcester, 13 mi away
57/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.6★ from 44 Google reviews, listed on Google as “Pest control service”.
Based in Worcester, 9 mi away
57/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 42 Google reviews, listed on Google as “Pest control service”.
#11 Ace Pest
Based in Worcester, 10 mi away
57/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 39 Google reviews, listed on Google as “Pest control service”.
Based in Worcester, 23 mi away
57/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.8★ from 145 Google reviews, listed on Google as “Pest control service”.
Based in Worcester, 13 mi away
57/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.6★ from 130 Google reviews, listed on Google as “Pest control service”.
Based in Northborough, 20 mi away
57/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 334 Google reviews, listed on Google as “Pest control service”.
Based in Haverhill, 16 mi away
56/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 196 Google reviews, listed on Google as “Pest control service”.
Based in Framingham, 23 mi away
56/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 112 Google reviews, listed on Google as “Pest control service”.
Based in Auburn, 9 mi away
56/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.7★ from 219 Google reviews, listed on Google as “Pest control service”.
Based in Marlborough, 23 mi away
56/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.8★ from 468 Google reviews, listed on Google as “Pest control service”.
Based in Framingham, 22 mi away
55/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.7★ from 458 Google reviews, listed on Google as “Pest control service”.
Based in Worcester, 14 mi away
55/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Pest control service”.
Based in Cambridge, 16 mi away
55/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.8★ from 35 Google reviews, listed on Google as “Pest control service”.
Based in Worcester, 16 mi away
55/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 63 Google reviews, listed on Google as “Pest control service”.
Based in Worcester, 15 mi away
55/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Pest control service”.
#24 Pest X, LLC
Based in Worcester, 11 mi away
55/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Pest control service”.
#25 Pest Assassins
Based in Worcester, 10 mi away
55/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 24 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 58 ranked pest control companies here; the rest are on their profiles.
Also serving Charlton
19 more pest control companies within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| A Alternative Pest Solutions | 16 mi | |
| Aardvark Pest Control | 5.0★ (1) | 23 mi |
| Backyard Patrol Llc | 5.0★ (1) | 24 mi |
| Big J's Extermination | 16 mi | |
| Brelvix Exterminators | 12 mi | |
| Bug Barrier Plus + | 18 mi | |
| Bug Off Pest Control | 18 mi | |
| Dave's Pest Control Worcester | 5.0★ (2) | 16 mi |
| East Coast Pest Control | 5.0★ (1) | 16 mi |
| Entry Point Pest Exclusion Services | 5.0★ (2) | 16 mi |
| Graves Pest Control LLC | 22 mi | |
| Leicester Pest Pros | 5.0★ (1) | 8 mi |
| Local Pest Control Services in Worcester | 5.0★ (2) | 13 mi |
| MasterCare Property Maintenance Services | 5.0★ (1) | 16 mi |
| Pest Control MA | 15 mi | |
| Pine Tree Pest Control | 18 mi | |
| Seal Team Pest Control | 16 mi | |
| The Mosquito General | 5.0★ (1) | 12 mi |
| Undercover Pest Control LLC | 18 mi |
How we ranked Charlton pest control companies
We scored 58 Charlton 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 2, 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 Charlton 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 Charlton: frequently asked questions
Who is the best pest control company in Charlton?
By CR Score, the highest-ranked pest control company in Charlton, MA is Insight Pest Solutions with a CR Score of 63/100. It has 4.8★ from 3,068 Google reviews. It is open 7 days a week. Mosquito Squad of Worcester (#2) and Big Blue Bug Solutions (#3) follow. We ranked 58 pest control companies on ten factors, last updated November 2, 2026.
How many pest control companies are there in Charlton?
ContractorsRanked ranks 58 pest control companies serving Charlton, MA. Another 19 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which pest control companies in Charlton are open 24/7?
11 ranked pest control companies in Charlton post 24/7 hours. The highest-ranked are Big Blue Bug Solutions (#3), Mosquito Joe of Leominster-Worcester (#4) and Terminix (#8). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pest control companies in Charlton work on weekends?
44 of 58 ranked pest control companies post Saturday hours and 23 post Sunday hours. The highest-ranked open Saturdays are Insight Pest Solutions (#1), Mosquito Squad of Worcester (#2) and Big Blue Bug Solutions (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Charlton pest control companies have?
The median Google rating among 58 rated pest control companies in Charlton is 4.9★, with a median of 32 reviews. Insight Pest Solutions has the most, 3,068 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 Charlton count in this ranking?
Yes, if they are within 25 mi of the Charlton city center, 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 Charlton
- November 2026: CR Scores recalculated for 58 pest control companies serving Charlton.
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