65/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.8★ from 1,352 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Pest Control Companies in Belvidere, IL (2026)
26 pest control companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Belvidere: Orkin, CR Score 65/100; 4.8★ from 1,352 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): Mosquito Squad Plus of Rockford, posts 24/7 hours; ranked #3 of 26.
- 2
Most-reviewed: Spring Green, 1,687 Google reviews at 4.9★, the most of 26 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
26 Belvidere pest control companies are ranked here by CR Score, from ten published factors. 7 are open 24/7, 20 open Saturdays and 14 open Sundays, based on posted hours. The median Google rating is 4.9★ across 26 rated businesses.
Most of this list also appears on the Pest control companies in Rockford ranking. See Pest control companies in Rockford
Top 10 pest control companies in Belvidere at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Orkin | 65 | 4.8★ (1,352) | Rockford, 10 mi away | 24/7 | Overall |
| 2 | Spring Green | 63 | 4.9★ (1,687) | Rockford, 9 mi away | Sat | Most reviews |
| 3 | Mosquito Squad Plus of Rockford | 62 | 4.9★ (216) | Loves Park, 11 mi away | 24/7 | Emergencies |
| 4 | Greenix Pest Control | 62 | 4.7★ (640) | Rockford, 8 mi away | Sat · Sun · Evenings | — |
| 5 | Midwest Pest Control | 61 | 4.9★ (201) | Rockford, 7 mi away | Sat · Sun · Evenings | — |
| 6 | Modern Solutions Pest Control | 60 | 5.0★ (769) | Rockford, 12 mi away | — | — |
| 7 | Ready Pest Control | 59 | 4.9★ (430) | Loves Park, 9 mi away | — | — |
| 8 | Rose Pest Solutions | 58 | 4.6★ (377) | Rockford, 12 mi away | Sat | — |
| 9 | Terminix | 58 | 4.8★ (121) | Sycamore, 22 mi away | 24/7 | — |
| 10 | Pearson Plumbing, Heating/AC & Pest Control | 57 | 4.5★ (549) | Rockford, 11 mi away | 24/7 | — |
The 26 best pest control companies in Belvidere, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
#2 Spring Green
Based in Rockford, 9 mi away
63/100CR ScoreRanked #2 because of its Google rating and review volume: 4.9★ from 1,687 Google reviews, the most in Belvidere.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Loves Park, 11 mi away
62/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 216 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockford, 8 mi away
62/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.7★ from 640 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockford, 7 mi away
61/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 201 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockford, 12 mi away
60/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 769 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Loves Park, 9 mi away
59/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 430 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockford, 12 mi away
58/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.6★ from 377 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#9 Terminix
Based in Sycamore, 22 mi away
58/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.8★ from 121 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockford, 11 mi away
57/100CR ScoreRanked #10 because of its Google rating and review volume: 4.5★ from 549 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Belvidere
57/100CR ScoreRanked #11 because of its Google rating and review volume: 4.8★ from 890 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockford, 12 mi away
56/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockford, 10 mi away
56/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockford, 5 mi away
55/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.7★ from 14 Google reviews, listed on Google as “Pest control service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Rockford, 9 mi away
55/100CR ScoreRanked #15 because of its Google rating and trade focus: 3.8★ from 16 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockford, 11 mi away
55/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockford, 13 mi away
54/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.2★ from 10 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockford, 12 mi away
54/100CR ScoreRanked #18 because of its Google rating and review volume: 4.9★ from 588 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockford, 12 mi away
53/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#20 Mosquito Hero
Based in Hoffman Estates, 24 mi away
53/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 137 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockford, 13 mi away
53/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Huntley, 23 mi away
52/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#23 AquaText Inc.
Based in Elgin, 24 mi away
51/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Elgin, 23 mi away
49/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Pest control service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Machesney Park, 12 mi away
48/100CR ScoreRanked #25 because of its Google rating and review volume: 4.5★ from 126 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
How we ranked Belvidere pest control companies
We scored 26 Belvidere 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 Belvidere 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 Belvidere: frequently asked questions
Who is the best pest control company in Belvidere?
By CR Score, the highest-ranked pest control company in Belvidere, IL is Orkin with a CR Score of 65/100. It has 4.8★ from 1,352 Google reviews. It is open 24/7. Spring Green (#2) and Mosquito Squad Plus of Rockford (#3) follow. We ranked 26 pest control companies on ten factors, last updated November 2, 2026.
How many pest control companies are there in Belvidere?
ContractorsRanked ranks 26 pest control companies serving Belvidere, IL. 1 of them is based in Belvidere; the rest serve it from nearby towns. Counts are as of November 2026.
Which pest control companies in Belvidere are open 24/7?
7 ranked pest control companies in Belvidere post 24/7 hours. The highest-ranked are Orkin (#1), Mosquito Squad Plus of Rockford (#3) and Terminix (#9). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pest control companies in Belvidere work on weekends?
20 of 26 ranked pest control companies post Saturday hours and 14 post Sunday hours. The highest-ranked open Saturdays are Orkin (#1), Spring Green (#2) and Mosquito Squad Plus of Rockford (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Belvidere pest control companies have?
The median Google rating among 26 rated pest control companies in Belvidere is 4.9★, with a median of 124 reviews. Spring Green has the most, 1,687 reviews, and ranks #2. 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 Belvidere count in this ranking?
Yes, if they are within 25 mi of the Belvidere 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 Belvidere
- November 2026: CR Scores recalculated for 26 pest control companies serving Belvidere.
- November 2026: 2 duplicate listings merged.
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