63/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.8★ from 327 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Alliston, ON (2026)
39 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Alliston: Pump My Tank, CR Score 63/100; 4.8★ from 327 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): A-1 Septic Pumping, posts 24/7 hours; ranked #2 of 39.
- 8
Most-reviewed: Mr. Rooter Plumbing of Newmarket ON, 512 Google reviews at 4.8★, the most of 39 ranked; ranked #8.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
39 Alliston septic service companies are ranked here by CR Score, from ten published factors. 17 are open 24/7, 24 open Saturdays and 21 open Sundays, based on posted hours. The median Google rating is 4.9★ across 39 rated businesses.
Top 10 septic service companies in Alliston at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Pump My Tank | 63 | 4.8★ (327) | Innisfil, 23 km away | 24/7 | Overall |
| 2 | A-1 Septic Pumping | 62 | 4.6★ (59) | Alliston | 24/7 | Emergencies |
| 3 | DLK Septic Services Inc. | 62 | 4.9★ (256) | Toronto, 18 km away | Sat · Sun · Evenings | — |
| 4 | Strong's Septic Service Inc | 60 | 4.4★ (21) | Alliston | 24/7 | — |
| 5 | Mr. Rooter Plumbing of Caledon | 57 | 4.4★ (273) | Orangeville, 3 km away | 24/7 | — |
| 6 | Septic Pumping Plus+ | 57 | 5.0★ (24) | Barrie, 27 km away | 24/7 | — |
| 7 | Superior Plumbing & Heating of Caledon | 57 | 4.7★ (38) | Brampton, 34 km away | 24/7 | — |
| 8 | Mr. Rooter Plumbing of Newmarket ON | 56 | 4.8★ (512) | East Gwillimbury, 32 km away | 24/7 | Most reviews |
| 9 | MCS Plumbing | 56 | 4.9★ (75) | East Gwillimbury, 35 km away | — | — |
| 10 | Bennett Inc. | 55 | 5.0★ (22) | Alliston | 24/7 | — |
The 39 best septic service companies in Alliston, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Alliston
62/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.6★ from 59 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Toronto, 18 km away
62/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 256 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Alliston
60/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.4★ from 21 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Orangeville, 3 km away
57/100CR ScoreRanked #5 because of its Google rating and review volume: 4.4★ from 273 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Barrie, 27 km away
57/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brampton, 34 km away
57/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.7★ from 38 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in East Gwillimbury, 32 km away
56/100CR ScoreRanked #8 because of its Google rating and review volume: 4.8★ from 512 Google reviews, the most in Alliston.
Based on 8 of 10 factors; credentials and recency not yet collected.
#9 MCS Plumbing
Based in East Gwillimbury, 35 km away
56/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 75 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
#10 Bennett Inc.
Based in Alliston
55/100CR ScoreRanked #10 because of its Google rating and review volume: 5.0★ from 22 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Keswick, 34 km away
55/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 61 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Barrie, 32 km away
55/100CR ScoreRanked #12 because of its Google rating and review volume: 4.8★ from 255 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Barrie, 36 km away
55/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 16 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in East Gwillimbury, 39 km away
54/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Barrie, 32 km away
54/100CR ScoreRanked #15 because of its Google rating and review volume: 4.5★ from 398 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in East Gwillimbury, 16 km away
54/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Toronto, 27 km away
54/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.2★ from 15 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Tottenham, 16 km away
53/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.2★ from 11 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#19 McPumperTruck
Based in East Gwillimbury, 28 km away
53/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.6★ from 18 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in East Gwillimbury, 22 km away
52/100CR ScoreRanked #20 because of its Google rating and review volume: 4.9★ from 34 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Vaughan, 30 km away
52/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Innisfil, 31 km away
51/100CR ScoreRanked #22 because of its Google rating and review volume: 5.0★ from 33 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
#23 Hunter Terry
Based in Orangeville, 33 km away
51/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Vaughan, 10 km away
51/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Barrie, 38 km away
51/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
All 39 septic service companies
#1 to #25 are shown in full above. Here are #26 to #39, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | King Excavation and Septic Inc | 50 | 5.0★ (16) | 22 km |
| 27 | Allto Construction | 50 | 5.0★ (24) | 34 km |
| 28 | Stonehaven Construction & Septics | 50 | 5.0★ (12) | 32 km |
| 29 | DrainX | 50 | 4.5★ (8) | 39 km |
| 30 | High Edge Group Inc | 49 | 5.0★ (6) | 26 km |
| 31 | Kellco Contracting Ltd | 49 | 5.0★ (15) | 25 km |
| 32 | Hald Contracting Ltd. | 49 | 3.7★ (3) | 33 km |
| 33 | BK Water and Sewer | 47 | 5.0★ (11) | 24 km |
| 34 | Near North Supply Inc | 47 | 4.7★ (53) | 27 km |
| 35 | Heritage Excavation and Siteworks Inc | 46 | 5.0★ (7) | 10 km |
| 36 | Eisses Bros Excavating | 43 | 4.0★ (17) | 29 km |
| 37 | Darren Neil And Sons Excavating Inc. | 43 | 4.5★ (17) | 38 km |
| 38 | G. Priest Services Inc. | 42 | 4.0★ (15) | 36 km |
| 39 | Binnie GE Haulage & Excavation | 40 | 5.0★ (4) | 40 km |
Also serving Alliston
20 more septic service 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 |
|---|---|---|
| Accurate Trenching and Fill Management | 5.0★ (1) | 33 km |
| AshCon Excavating Inc. | 5.0★ (1) | 33 km |
| ClearPipes Plumbers New Tecumseth | In Alliston | |
| Eco Septic | 27 km | |
| Everest Drain & Plumbing: Barrie Local Plumber | 33 km | |
| Gravelco Construction Inc. | 5.0★ (2) | 30 km |
| Ground Level Contracting | 30 km | |
| Headwaters Construction | 5.0★ (1) | 35 km |
| Indian Line Septic | 5.0★ (1) | 34 km |
| J K Sewer Technology Corporation | 27 km | |
| Muddy Men Construction Corporation. | 3.0★ (1) | 30 km |
| Muddy Men Construction Corporation. Barrie | 31 km | |
| Ontario Environmental Services | 25 km | |
| Plumber Bradford West Gwillimbury | 25 km | |
| Plumber East Gwillimbury | 30 km | |
| Plumber Innisfil | 28 km | |
| Plumber Keswick | 33 km | |
| Plumber Orangeville | 32 km | |
| Tekoa environmental Ltd. | 24 km | |
| Winter K Sanitation Inc | 31 km |
How we ranked Alliston septic service companies
We scored 39 Alliston septic service 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 Alliston 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 |
Septic service companies in Alliston: frequently asked questions
Who is the best septic service company in Alliston?
By CR Score, the highest-ranked septic service company in Alliston, ON is Pump My Tank with a CR Score of 63/100. It has 4.8★ from 327 Google reviews. It is open 24/7. A-1 Septic Pumping (#2) and DLK Septic Services Inc. (#3) follow. We ranked 39 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Alliston?
ContractorsRanked ranks 39 septic service companies serving Alliston, ON. 3 of them are based in Alliston; the rest serve it from nearby towns. Another 20 within 40 km are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Alliston are open 24/7?
17 ranked septic service companies in Alliston post 24/7 hours. The highest-ranked are Pump My Tank (#1), A-1 Septic Pumping (#2) and Strong's Septic Service Inc (#4). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Alliston work on weekends?
24 of 39 ranked septic service companies post Saturday hours and 21 post Sunday hours. The highest-ranked open Saturdays are Pump My Tank (#1), A-1 Septic Pumping (#2) and DLK Septic Services Inc. (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Alliston septic service companies have?
The median Google rating among 39 rated septic service companies in Alliston is 4.9★, with a median of 17 reviews. Mr. Rooter Plumbing of Newmarket ON has the most, 512 reviews, and ranks #8. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank septic service companies?
Each septic service 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 septic service companies outside Alliston count in this ranking?
Yes, if they are within 40 km of the Alliston city centre, our service radius for septic service 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 septic service 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 Alliston
- November 2026: CR Scores recalculated for 39 septic service companies serving Alliston.
- November 2026: 1 duplicate listing merged.
More septic service companies and Alliston pages
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