Analyzing 8,659,3178.7M ReviewsFor 24,72224.7K Experts
We graded 3 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
From 120,569 Google reviews of 90 top-rated ant exterminators nationwide; 3 of them in Somerville, MA. Updated November 6, 2026.
Pick the job — we re-rank companies by how customers rated that exact job.
Experts Score 0–100Experts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. and a letter grade per factor (A = top 20% of ant exterminators).
| # | Company | ScoreExperts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. | FactorsFactor grades, in orderSatisfaction (54%): Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.Reliability (24%): How rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.Craft & service (0%): Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.Value (14%): Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Momentum (0%): Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.Replies to reviews (7%): How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.One letter per factor score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = below 20. | ★Google star rating as shown on Google Maps. | Typical billMedian bill customers of this company reported in their reviews (needs 3+ priced reviews). |
|---|---|---|---|---|---|
| 1 |  Discreet Pest and Wildlife Services, Inc.Somerville, MA | A 100How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 59%100+58.7Reliability 26%99+25.8Value 15%100+15.2Experts Score= 100Not enough data for replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA–AA– | 5.00 | $246 |
| 2 |  Freedom Pest ControlSomerville, MA | A 97How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%97+52.9Reliability 24%98+23.8Value 14%91+12.9Replies to reviews 7%100+7.1Experts Score= 97Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA–AAA | 4.98 | $57 |
| 3 |  Fox Pest Control ActonSomerville, MA | B 72How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%76+41.5Reliability 24%63+15.3Value 14%91+12.9Replies to reviews 7%100+7.1Craft & service penalty79−2.1Momentum penalty77−2.3Experts Score= 72Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BBBABA | 4.78 | $91 |
What customers paid, from the price Google asks reviewers to report.
| Job | Low25th percentile: 1 in 4 customers paid less than this. | TypicalMedian of the bill customers reported in their Google review (Google asks reviewers for a price range; we use the middle of each range). | High75th percentile: 1 in 4 customers paid more than this. | FairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”. |
|---|---|---|---|---|
| General pest inspection | $56 | $81 | $111 | 99% |
| Ant extermination | $68 | $116 | $199 | 99% |
| Spider extermination | $63 | $93 | $146 | 99% |
| Bug & insect extermination | $58 | $83 | $111 | 99% |
| Rodent extermination | $81 | $159 | $323 | 98% |
| Hornet & wasp extermination | $58 | $144 | $282 | 99% |
| Home inspection | $66 | $101 | $166 | 99% |
| Cockroach extermination | $58 | $130 | $246 | 99% |
| Mosquito extermination | $73 | $93 | $124 | 98% |
| Termite inspection | $108 | $153 | $323 | 98% |
| Termite extermination | $214 | $282 | $426 | 99% |
| Flea & mite extermination | $124 | $192 | $323 | 99% |
How the 3 ant exterminators we rated in Somerville, MA compare, and what customers praise most.
A = score 80+, F = below 20.
Average stars per company.
Share of Google review highlights.
All price verdicts left with reviews.
Share calling it great / reasonable / overpriced.
Satisfaction (54%) — Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.
Reliability (24%) — How rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.
Craft & service (penalty, up to −10) — Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.
Value (14%) — Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.
Momentum (penalty, up to −10) — Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.
Replies to reviews (7%) — How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.
The 10 best-rated ant exterminators in Somerville, MA average 4.9★ on Google across 8,501 reviews. Clancy Brothers Pest Control has the top rating (5.0★), and Fox Pest Control Acton has the most reviews (2,855). Updated November 2, 2026.
10 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (8,501 reviews combined) and currently operating. Request a call back and the company will phone you directly.
“Tim was pleasant and professional. He examined the areas of concern about bird nests and a possible squirrel. He provided an overview of how each area would be addressed. His approach was reasonable and we decided to…” — Google review
“Todd was very professional and went the extra mile with helping my exterior problem. Gave me good advice on what to do further down the road” — Google review
“We’ve had a severe problem recently with flies of some sort in our kitchen area. Our Tech, Joe showed up when they scheduled him. I found him very easy to understand while he tried to identify the type fly and…” — Google review
“I highly recommend Biggins Exterminating Company! We had a very large wasp nest, and Steve came right out and sprayed it. He came back the next day to remove the nest and make sure everything was all set. He was…” — Google review
“As a property manager, having a reliable pest control company I can trust is incredibly important. Green Planet has been my pest control company of choice for 10 years and I can't recommend them enough.…” — Google review
“We used Greenhow to deal with a large wasp nest in our back yard. We already use Greenhow for lawn treatment, which has been very effective. Luis was on time, courteous and seemed very expert in his work killing the…” — Google review
“I highly recommend Discreet Pest and Wildlife. Jack spent nearly an hour listening to my story late on a weekend night. He was extremely knowledgeable and helped me map out a reasonable plan of action without pushing…” — Google review
“Prompt, on time service. Friendly, always offers advice, answers all questions. No issues to report. Reccomend this business for sure! Brian was especially great at explaining any issues. I like that I was…” — Google review
“Ron was very polite and helpful. I'm sure he was thorough checking and replacing traps where necessary. I wouldn't hesitate recommending Fox Pest Control since I have been very satisfied with the service provided…” — Google review
“Absolutely love Yankee Pest, I mean needing them isn’t something to love but because we need them we love having them come out. They are thorough, knowledgeable and super helpful. We’re on the annual plan and all I…” — Google review
We scan Google Maps for ant exterminator listings in and around Somerville, keep only open businesses whose main category matches the service, and require a Google rating of at least 4.5 from at least 20 reviews. Companies are ordered by a confidence-weighted score that balances rating and review volume. We do not accept payment for placement.
Clancy Brothers Pest Control has the highest Google rating on our Somerville list: 5.0 out of 5 from 2,565 reviews (as of November 2, 2026).
Fox Pest Control Acton has the most Google reviews among the companies listed here: 2,855, with a 4.8★ average.
Only open Somerville-area businesses whose Google category matches the service, rated at least 4.5★ from at least 20 Google reviews. They are ordered by a confidence-weighted score of rating and review volume. Placement is never paid.
Also in Somerville: Oil Change Services
Analyzing 8,659,3178.7M ReviewsFor 24,72224.7K Experts