595 managed IT service providers ranked by IFR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Alliston: Mariner Computer Sales & Service (Store inside the Mariner Motel), IFR Score 62/100; 5.0★ from 246 Google reviews; open Saturdays until 5 PM.
Most-reviewed: Canada Gadgets Computer & Phone Repair, 1,436 Google reviews at 5.0★, the most of 595 ranked; ranked #30.
Rankings can't be bought. IT providers can't pay to change their rank or score. How we rank
595 Alliston managed IT service providers are ranked here by IFR Score, from nine published factors. 238 open Saturdays and 169 open Sundays, based on posted hours. The median Google rating is 5.0★ across 595 rated IT firms.
Ranked by IFR Score from public data. Sponsored placements are labelled and never change the order.
| Rank | Business | IFR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Mariner Computer Sales & Service (Store inside the Mariner Motel) | 62 | 5.0★ (246) | Collingwood, 47 km away | Sat | Overall |
| 2 | CG Technologies | 61 | 5.0★ (64) | Vaughan, 45 km away | Sat · Sun · Evenings | — |
| 3 | Unified Technicians | 61 | 5.0★ (105) | Toronto, 65 km away | Sat · Sun · Evenings | — |
| 4 | Connectability - Toronto Managed IT Services Company | 61 | 4.9★ (96) | Etobicoke, 59 km away | Sat · Sun · Evenings | — |
| 5 | IT Solutions Canada | 61 | 4.7★ (112) | Markham, 53 km away | Sat · Sun · Evenings | — |
| 6 | Business Solutions With Integrity Inc. - Toronto Managed IT Services Company | 61 | 4.9★ (100) | East York, 62 km away | Sat · Sun · Evenings | — |
| 7 | M.I.T. Consulting - IT Consulting and Cybersecurity Services in Toronto | 61 | 4.8★ (71) | North York, 52 km away | Sat · Sun · Evenings | — |
| 8 | Borg Development | 60 | 5.0★ (9) | Alliston | Sat · Sun · Evenings | — |
| 9 | Mr Komputer – IT Support Services | 60 | 4.7★ (36) | Vaughan, 39 km away | Sat · Sun · Evenings | — |
| 10 | ISM Grid | 60 | 5.0★ (58) | Toronto, 68 km away | Sat · Sun · Evenings | — |
Ordered by IFR Score, a 0–100 score from nine published factors. Paid placement never changes the order.
Ranked by IFR Score from public data. Sponsored placements are labelled and never change the order.
Ranked #1 in Alliston
Based in Collingwood, 47 km away
Ranked #1 because of its Google rating and service focus: 5.0★ from 246 Google reviews, listed on Google as “Computer support and services”.
Based on 8 of 9 factors; recency not yet collected.
Based in Vaughan, 45 km away
Ranked #2 because of its Google rating and service focus: 5.0★ from 64 Google reviews, listed on Google as “Computer support and services”.
Based on 8 of 9 factors; recency not yet collected.
Based in Toronto, 65 km away
Ranked #3 because of its Google rating and service focus: 5.0★ from 105 Google reviews, listed on Google as “Computer support and services”.
Based on 8 of 9 factors; recency not yet collected.
Based in Etobicoke, 59 km away
Ranked #4 because of its Google rating and service focus: 4.9★ from 96 Google reviews, listed on Google as “Computer support and services”.
Based on 8 of 9 factors; recency not yet collected.
Based in Markham, 53 km away
Ranked #5 because of its Google rating and service focus: 4.7★ from 112 Google reviews, listed on Google as “Computer support and services”.
Based on 8 of 9 factors; recency not yet collected.
Based in East York, 62 km away
Ranked #6 because of its Google rating and service focus: 4.9★ from 100 Google reviews, listed on Google as “Computer support and services”.
Based on 8 of 9 factors; recency not yet collected.
Based in North York, 52 km away
Ranked #7 because of its Google rating and service focus: 4.8★ from 71 Google reviews, listed on Google as “Computer support and services”.
Based on 8 of 9 factors; recency not yet collected.
Based in Alliston
Ranked #8 because of its Google rating and service focus: 5.0★ from 9 Google reviews, listed on Google as “Computer support and services”.
Based on 8 of 9 factors; recency not yet collected.
Based in Vaughan, 39 km away
Ranked #9 because of its Google rating and service focus: 4.7★ from 36 Google reviews, listed on Google as “Computer support and services”.
Based on 8 of 9 factors; recency not yet collected.
Based in Toronto, 68 km away
Ranked #10 because of its Google rating and service focus: 5.0★ from 58 Google reviews, listed on Google as “Computer support and services”.
Based on 8 of 9 factors; recency not yet collected.
Based in East York, 63 km away
Ranked #11 because of its Google rating and service focus: 4.6★ from 73 Google reviews, listed on Google as “Computer support and services”.
Based on 8 of 9 factors; recency not yet collected.
Based in Vaughan, 47 km away
Ranked #12 because of its Google rating and service focus: 4.9★ from 106 Google reviews, listed on Google as “Computer support and services”.
Based on 8 of 9 factors; recency not yet collected.
Based in Vaughan, 47 km away
Ranked #13 because of its Google rating and service focus: 5.0★ from 160 Google reviews, listed on Google as “Computer support and services”.
Based on 8 of 9 factors; recency not yet collected.
Based in Brampton, 59 km away
Ranked #14 because of its Google rating and service focus: 4.7★ from 54 Google reviews, listed on Google as “Computer support and services”.
Based on 8 of 9 factors; recency not yet collected.
Based in Aurora, 37 km away
Ranked #15 because of its Google rating and service focus: 4.9★ from 21 Google reviews, listed on Google as “Computer support and services”.
Based on 8 of 9 factors; recency not yet collected.
Based in Markham, 55 km away
Ranked #16 because of its Google rating and service focus: 4.9★ from 54 Google reviews, listed on Google as “Computer support and services”.
Based on 8 of 9 factors; recency not yet collected.
Based in Richmond Hill, 46 km away
Ranked #17 because of its Google rating and service focus: 4.7★ from 108 Google reviews, listed on Google as “Computer support and services”.
Based on 8 of 9 factors; recency not yet collected.
Based in East York, 66 km away
Ranked #18 because of its Google rating and service focus: 4.6★ from 183 Google reviews, listed on Google as “Computer support and services”.
Based on 7 of 9 factors; recency and availability not yet collected.
Based in Aurora, 37 km away
Ranked #19 because of its Google rating and service focus: 4.9★ from 43 Google reviews, listed on Google as “Computer support and services”.
Based on 7 of 9 factors; recency and availability not yet collected.
Based in Richmond Hill, 52 km away
Ranked #20 because of its Google rating and service focus: 4.9★ from 40 Google reviews, listed on Google as “Computer support and services”.
Based on 8 of 9 factors; recency not yet collected.
Based in Brampton, 56 km away
Ranked #21 because of its Google rating and service focus: 4.8★ from 49 Google reviews, listed on Google as “Computer support and services”.
Based on 8 of 9 factors; recency not yet collected.
Based in Markham, 52 km away
Ranked #22 because of its Google rating and service focus: 5.0★ from 34 Google reviews, listed on Google as “Computer support and services”.
Based on 8 of 9 factors; recency not yet collected.
Based in Oakville, 73 km away
Ranked #23 because of its Google rating and service focus: 4.9★ from 253 Google reviews, listed on Google as “Computer support and services”.
Based on 8 of 9 factors; recency not yet collected.
Based in North York, 60 km away
Ranked #24 because of its Google rating and service focus: 5.0★ from 24 Google reviews, listed on Google as “Computer support and services”.
Based on 8 of 9 factors; recency not yet collected.
Based in North York, 55 km away
Ranked #25 because of its Google rating and service focus: 5.0★ from 18 Google reviews, listed on Google as “Computer support and services”.
Based on 8 of 9 factors; recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #50, in IFR Score order; each links to its profile. We publish the top 50 of 595 ranked managed IT service providers here; the rest are on their profiles.
20 more managed IT service providers within 80 km that we can't rank yet: too few reviews, or a service we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| A PC Situation | 4.6★ (11) | In Alliston |
| Alliston Social Media Management | Culturo Consulting | 4.0★ (1) | In Alliston |
| B4 Networks Inc. - Simcoe County IT Services | 5.0★ (2) | 34 km |
| Bell | 4.6★ (155) | In Alliston |
| Cloud Partners Inc. | 5.0★ (2) | 32 km |
| Compudent Systems Inc | 4.0★ (2) | 43 km |
| Cyberwall Inc | 5.0★ (2) | 46 km |
| Digital Hero | 5.0★ (2) | 33 km |
| Gannon MSP Inc. | In Alliston | |
| In-Home Technical Services | 5.0★ (2) | 28 km |
| Infinity Network Solutions | 5.0★ (2) | 36 km |
| KITS - MSP (Managed IT Services and Security) | 5.0★ (2) | 38 km |
| Link Communications & Technology Inc. | 5.0★ (1) | In Alliston |
| Manawa | 5.0★ (2) | 50 km |
| Networktechs.ca | 5.0★ (2) | 47 km |
| pwest.ca Computer Repair Service | 5.0★ (2) | In Alliston |
| Rainbow Computer Systems | 4.5★ (20) | In Alliston |
| SilverTech Home Support | 5.0★ (2) | 40 km |
| SOLTAN COMPUTER | 3.0★ (2) | 47 km |
| TCG (Tech Consultants Group) | 5.0★ (2) | 46 km |
We scored 595 Alliston managed IT service providers on nine factors, weighted as shown. An IT firm is ranked when its service is confirmed and it has 3 or more Google reviews or a claimed profile. An IT firm 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 9, 2026.
Paid placement never changes a rank or score. Sponsored 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 |
| Review volume | 15% | Number of Google reviews, compared with the most-reviewed IT firm on the list | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday and 24/7 support | Measured |
| Service focus | 15% | How clearly the firm does this service (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 firm has claimed its IT Firms Ranked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The firm links to IT Firms Ranked from its own website with our badge, checked periodically | Measured |
| Client reviews | 10% | Verified client reviews collected by IT Firms Ranked: their rating and how many there are | Measured |
