64/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 417 Google reviews, the most in Portsmouth.
Best Pest Control Companies in Portsmouth, NH (2026)
15 pest control companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Portsmouth: Mosquito Joe of Southern New Hampshire, CR Score 64/100; 4.9★ from 417 Google reviews; open 24/7.
- 3
Most-reviewed: Freedom Pest Control, 336 Google reviews at 4.8★, the most of 15 ranked after Mosquito Joe of Southern New Hampshire; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
15 Portsmouth pest control companies are ranked here by CR Score, from ten published factors. 1 is open 24/7, 8 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 4.9★ across 15 rated businesses.
Top 10 pest control companies in Portsmouth at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Mosquito Joe of Southern New Hampshire | 64 | 4.9★ (417) | Manchester, 17 mi away | 24/7 | Overall |
| 2 | Safer Nature Pest Control | 60 | 4.9★ (116) | Amesbury, 17 mi away | Sat · Sun · Evenings | — |
| 3 | Freedom Pest Control | 58 | 4.8★ (336) | Merrimac, 21 mi away | Sat | Most reviews |
| 4 | AG Pest Services | 56 | 5.0★ (105) | Manchester, 24 mi away | Sat | — |
| 5 | JD and Son's Tick and Mosquito Control | 56 | 5.0★ (75) | Haverhill, 23 mi away | Sat | — |
| 6 | MOSQUITO ENEMY | 54 | 4.9★ (192) | Newburyport, 20 mi away | Sat · Sun · Evenings | — |
| 7 | Green Sphere - Lawn Care, Tree & Shrub Care, Tick, Mosquito & Perimeter Pest Control | 53 | 4.9★ (259) | Newburyport, 20 mi away | — | — |
| 8 | Absolut Pest Control | 51 | 4.1★ (14) | Amesbury, 18 mi away | — | — |
| 9 | SavATree - Tree Service & Lawn Care | 51 | 4.9★ (266) | Rochester, 20 mi away | — | — |
| 10 | A Stone's Throw Landscaping | 51 | 4.7★ (16) | Eliot, 4 mi away | Sat | — |
The 15 best pest control companies in Portsmouth, 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 Amesbury, 17 mi away
60/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 116 Google reviews, listed on Google as “Pest control service”.
Based in Merrimac, 21 mi away
58/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 336 Google reviews, listed on Google as “Pest control service”.
Based in Manchester, 24 mi away
56/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 105 Google reviews, listed on Google as “Pest control service”.
Based in Haverhill, 23 mi away
56/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 75 Google reviews, listed on Google as “Pest control service”.
Based in Newburyport, 20 mi away
54/100CR ScoreRanked #6 because of its Google rating and review volume: 4.9★ from 192 Google reviews.
Based in Newburyport, 20 mi away
53/100CR ScoreRanked #7 because of its Google rating and review volume: 4.9★ from 259 Google reviews.
Based in Amesbury, 18 mi away
51/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.1★ from 14 Google reviews, listed on Google as “Pest control service”.
Based in Rochester, 20 mi away
51/100CR ScoreRanked #9 because of its Google rating and review volume: 4.9★ from 266 Google reviews.
Based in Eliot, 4 mi away
51/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.7★ from 16 Google reviews, listed on Google as “Landscaper”.
Based in Haverhill, 24 mi away
50/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.7★ from 15 Google reviews, listed on Google as “Pest control service”.
Based in Haverhill, 19 mi away
50/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Pest control service”.
Based in Hampstead, 25 mi away
48/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.0★ from 5 Google reviews, listed on Google as “Pest control service”.
#14 JMJ Gardens
Based in Newburyport, 20 mi away
47/100CR ScoreRanked #14 because of its Google rating and review volume: 4.8★ from 22 Google reviews.
Based in Rochester, 19 mi away
43/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.5★ from 4 Google reviews, listed on Google as “Tree service”.
Also serving Portsmouth
5 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 |
|---|---|---|
| Advantage Pest Control, Inc | 5.0★ (1) | 18 mi |
| Freedom Pest Control Atkinson | 19 mi | |
| Get the Bug Outta Here | 25 mi | |
| Pest Control Group USA | 20 mi | |
| Two Rivers Landscaping | 21 mi |
How we ranked Portsmouth pest control companies
We scored 15 Portsmouth 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 Portsmouth 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 Portsmouth: frequently asked questions
Who is the best pest control company in Portsmouth?
By CR Score, the highest-ranked pest control company in Portsmouth, NH is Mosquito Joe of Southern New Hampshire with a CR Score of 64/100. It has 4.9★ from 417 Google reviews. It is open 24/7. Safer Nature Pest Control (#2) and Freedom Pest Control (#3) follow. We ranked 15 pest control companies on ten factors, last updated November 3, 2026.
How many pest control companies are there in Portsmouth?
ContractorsRanked ranks 15 pest control companies serving Portsmouth, NH. Another 5 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which pest control companies in Portsmouth are open 24/7?
1 ranked pest control company in Portsmouth posts 24/7 hours. The highest-ranked is Mosquito Joe of Southern New Hampshire (#1). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pest control companies in Portsmouth work on weekends?
8 of 15 ranked pest control companies post Saturday hours and 3 post Sunday hours. The highest-ranked open Saturdays are Mosquito Joe of Southern New Hampshire (#1), Safer Nature Pest Control (#2) and Freedom Pest Control (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Portsmouth pest control companies have?
The median Google rating among 15 rated pest control companies in Portsmouth is 4.9★, with a median of 75 reviews. Mosquito Joe of Southern New Hampshire has the most, 417 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 Portsmouth count in this ranking?
Yes, if they are within 25 mi of the Portsmouth 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 Portsmouth
- November 2026: CR Scores recalculated for 15 pest control companies serving Portsmouth.
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