66/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.8★ from 96 Google reviews, listed on Google as “Pest control service”.
Best Pest Control Companies in Nanaimo, BC (2026)
10 pest control companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Nanaimo: Old Island Pest Control - Nanaimo BC Pest Control, CR Score 66/100; 4.8★ from 96 Google reviews; open 24/7.
- 4
Best for emergencies (open 24/7): Island Wildlife Control, posts 24/7 hours; ranked #4 of 10.
- 3
Most-reviewed: Abell Pest Control, 160 Google reviews at 4.7★, the most of 10 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
10 Nanaimo pest control companies are ranked here by CR Score, from ten published factors. 4 are open 24/7, 8 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.8★ across 10 rated businesses.
Top 10 pest control companies in Nanaimo at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Old Island Pest Control - Nanaimo BC Pest Control | 66 | 4.8★ (96) | Nanaimo | 24/7 | Overall |
| 2 | VI Pest Control | 62 | 4.8★ (73) | Nanaimo | Sat | — |
| 3 | Abell Pest Control | 62 | 4.7★ (160) | Nanaimo | — | Most reviews |
| 4 | Island Wildlife Control | 60 | 3.9★ (16) | Nanaimo | 24/7 | Emergencies |
| 5 | Antex Pest Control Ltd | 60 | 4.9★ (86) | Ladysmith, 22 km away | Sat | — |
| 6 | Pacific Decontamination Services | 60 | 5.0★ (60) | Nanaimo | 24/7 | — |
| 7 | Westside Pest Control | 59 | 4.8★ (5) | Nanaimo | 24/7 | — |
| 8 | Davis Home Pest Control | 58 | 5.0★ (6) | Nanaimo | Sat · Sun | — |
| 9 | BugsBeGone Pest Services | 57 | 4.1★ (9) | Nanaimo | Sat | — |
| 10 | Pest Doctor | 56 | 4.3★ (14) | Nanaimo | — | — |
The 10 best pest control companies in Nanaimo, 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 Nanaimo
62/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 73 Google reviews, listed on Google as “Pest control service”.
Based in Nanaimo
62/100CR ScoreRanked #3 because of its Google rating and review volume: 4.7★ from 160 Google reviews, the most in Nanaimo.
Based in Nanaimo
60/100CR ScoreRanked #4 because of its Google rating and trade focus: 3.9★ from 16 Google reviews, listed on Google as “Pest control service”.
Based in Ladysmith, 22 km away
60/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 86 Google reviews, listed on Google as “Pest control service”.
Based in Nanaimo
60/100CR ScoreRanked #6 because of its Google rating and review volume: 5.0★ from 60 Google reviews.
Based in Nanaimo
59/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.8★ from 5 Google reviews, listed on Google as “Pest control service”.
Based in Nanaimo
58/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Pest control service”.
Based in Nanaimo
57/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.1★ from 9 Google reviews, listed on Google as “Pest control service”.
#10 Pest Doctor
Based in Nanaimo
56/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.3★ from 14 Google reviews, listed on Google as “Pest control service”.
Also serving Nanaimo
11 more pest control companies within 40 km that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Ally Pest Control Inc. | In Nanaimo | |
| Atex Pest Svc Ltd | 5.0★ (1) | In Nanaimo |
| ChaferBeetle.com - Grub Removal in Nanaimo, Victoria Parksville and Qualicum Beach | 5.0★ (1) | In Nanaimo |
| Easy Bed Bug Extermination | In Nanaimo | |
| GreenKeep Property Maintenance | 5.0★ (7) | In Nanaimo |
| Jiffy Heat Inc. | In Nanaimo | |
| Pacific Coastal Pest Control Ltd | In Nanaimo | |
| Pest Doctor - Parksville | In Nanaimo | |
| Prestige Pest Control | 5.0★ (2) | In Nanaimo |
| Terminix Canada | 5.0★ (1) | In Nanaimo |
| Vancouver Island Spider Guys | In Nanaimo |
How we ranked Nanaimo pest control companies
We scored 10 Nanaimo 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 Nanaimo 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 Nanaimo: frequently asked questions
Who is the best pest control company in Nanaimo?
By CR Score, the highest-ranked pest control company in Nanaimo, BC is Old Island Pest Control - Nanaimo BC Pest Control with a CR Score of 66/100. It has 4.8★ from 96 Google reviews. It is open 24/7. VI Pest Control (#2) and Abell Pest Control (#3) follow. We ranked 10 pest control companies on ten factors, last updated November 2, 2026.
How many pest control companies are there in Nanaimo?
ContractorsRanked ranks 10 pest control companies serving Nanaimo, BC. 9 of them are based in Nanaimo; the rest serve it from nearby towns. Another 11 within 40 km are listed but not ranked yet. Counts are as of November 2026.
Which pest control companies in Nanaimo are open 24/7?
4 ranked pest control companies in Nanaimo post 24/7 hours. The highest-ranked are Old Island Pest Control - Nanaimo BC Pest Control (#1), Island Wildlife Control (#4) and Pacific Decontamination Services (#6). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pest control companies in Nanaimo work on weekends?
8 of 10 ranked pest control companies post Saturday hours and 5 post Sunday hours. The highest-ranked open Saturdays are Old Island Pest Control - Nanaimo BC Pest Control (#1), VI Pest Control (#2) and Island Wildlife Control (#4). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Nanaimo pest control companies have?
The median Google rating among 10 rated pest control companies in Nanaimo is 4.8★, with a median of 38 reviews. Abell Pest Control has the most, 160 reviews, and ranks #3. 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 Nanaimo count in this ranking?
Yes, if they are within 40 km of the Nanaimo city centre, 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 Nanaimo
- November 2026: CR Scores recalculated for 10 pest control companies serving Nanaimo.
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