65/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 71 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 Bismarck, ND (2026)
9 pest control companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Bismarck: Orkin, CR Score 65/100; 4.9★ from 71 Google reviews; open 24/7.
- 2
Most-reviewed: Insight Pest Solutions, 204 Google reviews at 4.8★, the most of 9 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
9 Bismarck pest control companies are ranked here by CR Score, from ten published factors. 1 is open 24/7, 2 open Saturdays and 1 open Sundays, based on posted hours. The median Google rating is 4.6★ across 9 rated businesses.
Top 9 pest control companies in Bismarck at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Orkin | 65 | 4.9★ (71) | Bismarck | 24/7 | Overall |
| 2 | Insight Pest Solutions | 64 | 4.8★ (204) | Bismarck | Sat · Evenings | Most reviews |
| 3 | Unitech Pest Control | 64 | 5.0★ (95) | Bismarck | — | — |
| 4 | Dakota Pest Control | 61 | 4.9★ (37) | Bismarck | — | — |
| 5 | Plunkett's Pest Control | 60 | 4.6★ (71) | Bismarck | — | — |
| 6 | Runyan's Animal Nuisance & Bat | 58 | 4.4★ (12) | Bismarck | — | — |
| 7 | Outdoor Services | 51 | 4.6★ (25) | Bismarck | — | — |
| 8 | All Pest Control | 51 | 3.7★ (3) | Mandan, 8 mi away | — | — |
| 9 | Bullinger Tree Service | 49 | 4.5★ (33) | Mandan, 8 mi away | — | — |
The 9 best pest control companies in Bismarck, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Bismarck
64/100CR ScoreRanked #2 because of its Google rating and review volume: 4.8★ from 204 Google reviews, the most in Bismarck.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bismarck
64/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 95 Google reviews, listed on Google as “Pest control service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Bismarck
61/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 37 Google reviews, listed on Google as “Pest control service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Bismarck
60/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.6★ from 71 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bismarck
58/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.4★ from 12 Google reviews, listed on Google as “Pest control service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Bismarck
51/100CR ScoreRanked #7 because of its Google rating and review volume: 4.6★ from 25 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mandan, 8 mi away
51/100CR ScoreRanked #8 because of its Google rating and trade focus: 3.7★ 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 Mandan, 8 mi away
49/100CR ScoreRanked #9 because of its Google rating and review volume: 4.5★ from 33 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
How we ranked Bismarck pest control companies
We scored 9 Bismarck 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 Bismarck 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 Bismarck: frequently asked questions
Who is the best pest control company in Bismarck?
By CR Score, the highest-ranked pest control company in Bismarck, ND is Orkin with a CR Score of 65/100. It has 4.9★ from 71 Google reviews. It is open 24/7. Insight Pest Solutions (#2) and Unitech Pest Control (#3) follow. We ranked 9 pest control companies on ten factors, last updated November 3, 2026.
How many pest control companies are there in Bismarck?
ContractorsRanked ranks 9 pest control companies serving Bismarck, ND. 7 of them are based in Bismarck; the rest serve it from nearby towns. Counts are as of November 2026.
Which pest control companies in Bismarck are open 24/7?
1 ranked pest control company in Bismarck posts 24/7 hours. The highest-ranked is Orkin (#1). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pest control companies in Bismarck work on weekends?
2 of 9 ranked pest control companies post Saturday hours and 1 post Sunday hours. The highest-ranked open Saturdays are Orkin (#1) and Insight Pest Solutions (#2). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Bismarck pest control companies have?
The median Google rating among 9 rated pest control companies in Bismarck is 4.6★, with a median of 37 reviews. Insight Pest Solutions has the most, 204 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 Bismarck count in this ranking?
Yes, if they are within 25 mi of the Bismarck 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 Bismarck
- November 2026: CR Scores recalculated for 9 pest control companies serving Bismarck.
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