409 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Alliston: Glass Doctor of Barrie, ON, CR Score 64/100; 4.9★ from 1,586 Google reviews; open 24/7.
Best for emergencies (open 24/7): Oasis Glass, posts 24/7 hours; ranked #3 of 409.
Most-reviewed: EcoTech Windows & Doors, 3,159 Google reviews at 4.8★, the most of 409 ranked; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
409 Alliston window installers are ranked here by CR Score, from ten published factors. 42 are open 24/7, 254 open Saturdays and 150 open Sundays, based on posted hours. The median Google rating is 4.9★ across 409 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Glass Doctor of Barrie, ON | 64 | 4.9★ (1,586) | Barrie, 24 km away | 24/7 | Overall |
| 2 | TopView Windows and Doors | 61 | 5.0★ (125) | Barrie, 10 km away | Sat · Sun · Evenings | — |
| 3 | Oasis Glass | 60 | 5.0★ (144) | Brampton, 32 km away | 24/7 | Emergencies |
| 4 | MK Windows & Doors | 60 | 5.0★ (78) | Barrie, 10 km away | Sat · Sun | — |
| 5 | Renewal by Andersen of Greater Toronto | 59 | 4.8★ (2,808) | Mississauga, 62 km away | Sat · Sun · Evenings | — |
| 6 | Magic Windows & Doors | 59 | 4.7★ (1,916) | Concord, 48 km away | Sat · Sun | — |
| 7 | EcoTech Windows & Doors | 59 | 4.8★ (3,159) | Concord, 51 km away | Sat | Most reviews |
| 8 | Kempenfelt Windows and Doors | 59 | 4.8★ (556) | Barrie, 24 km away | Sat | — |
| 9 | OhMyGlass "Window and Door Repairs" | 58 | 5.0★ (160) | North York, 54 km away | 24/7 | — |
| 10 | Panorama Windows and Doors Barrie | 58 | 4.9★ (322) | Barrie, 24 km away | Sat | — |
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.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 1,586 Google reviews, listed on Google as “Window installation service”.
Based in Barrie, 10 km away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 125 Google reviews, listed on Google as “Window installation service”.
Based in Brampton, 32 km away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 144 Google reviews, listed on Google as “Window installation service”.
Based in Barrie, 10 km away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 78 Google reviews, listed on Google as “Window installation service”.
Based in Mississauga, 62 km away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 2,808 Google reviews, listed on Google as “Window installation service”.
Based in Concord, 48 km away
Ranked #6 because of its Google rating and trade focus: 4.7★ from 1,916 Google reviews, listed on Google as “Window installation service”.
Based in Concord, 51 km away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 3,159 Google reviews, listed on Google as “Window installation service”.
Based in Barrie, 24 km away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 556 Google reviews, listed on Google as “Window installation service”.
Based in North York, 54 km away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 160 Google reviews, listed on Google as “Window installation service”.
Based in Barrie, 24 km away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 322 Google reviews, listed on Google as “Window installation service”.
Based in Newmarket, 33 km away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 61 Google reviews, listed on Google as “Window installation service”.
Based in Barrie, 41 km away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 159 Google reviews, listed on Google as “Window installation service”.
Based in Orillia, 21 km away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 20 Google reviews, listed on Google as “Window installation service”.
Based in Scarborough, 63 km away
Ranked #14 because of its Google rating and trade focus: 4.7★ from 413 Google reviews, listed on Google as “Window installation service”.
Based in East Gwillimbury, 18 km away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Window installation service”.
Based in Vaughan, 50 km away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 75 Google reviews, listed on Google as “Window installation service”.
Based in Vaughan, 45 km away
Ranked #17 because of its Google rating and trade focus: 4.6★ from 1,932 Google reviews, listed on Google as “Window installation service”.
Based in Newmarket, 35 km away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 76 Google reviews, listed on Google as “Window installation service”.
Based in East Gwillimbury, 30 km away
Ranked #19 because of its Google rating and trade focus: 4.7★ from 36 Google reviews, listed on Google as “Window installation service”.
Based in Toronto, 62 km away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 128 Google reviews, listed on Google as “Window installation service”.
Based in Aurora, 38 km away
Ranked #21 because of its Google rating and review volume: 5.0★ from 729 Google reviews.
Based in Barrie, 24 km away
Ranked #22 because of its Google rating and trade focus: 4.6★ from 93 Google reviews, listed on Google as “Window installation service”.
Based in Vaughan, 46 km away
Ranked #23 because of its Google rating and review volume: 5.0★ from 428 Google reviews.
Based in Richmond Hill, 48 km away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 184 Google reviews, listed on Google as “Window installation service”.
Based in Concord, 48 km away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 57 Google reviews, listed on Google as “Window installation service”.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 409 ranked window installers here; the rest are on their profiles.
20 more window installers within 64 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 |
|---|---|---|
| Capstone Renovations Inc. | 4.9★ (17) | In Alliston |
| Direct Pro Windows & Doors | 5.0★ (2) | 62 km |
| DISTINCTIVE GLASS | 4.0★ (1) | 24 km |
| FALCON WD WINDOWS AND DOORS | 5.0★ (2) | 37 km |
| GPW ENTERPRISES WINDOWS / EAVES CLEANING BARRIE ONTARIO | 4.5★ (2) | 28 km |
| Griffon Home Renovations | 4.0★ (2) | 41 km |
| GVM PAINTING LTD | 4.8★ (62) | In Alliston |
| M.B. Kustom Windows and Exteriors | 5.0★ (2) | 10 km |
| Marigold Property Care | In Alliston | |
| New Glass Technologies | 5.0★ (2) | 34 km |
| New Tec Kitchen and Beyond Inc. | 4.9★ (29) | In Alliston |
| NYO Doors Repairs and Windows | 5.0★ (2) | 54 km |
| PHD Plumbing and Drain well service | 4.8★ (412) | In Alliston |
| Platinum Trim INC | In Alliston | |
| Redbear Contractors | 5.0★ (2) | 63 km |
| Roma Windows & Doors Inc. | 5.0★ (2) | 33 km |
| Sobol Inc. | 5.0★ (2) | 64 km |
| Sunnidale Window Systems | 1.0★ (1) | 30 km |
| VR Windows and Doors | 5.0★ (1) | 31 km |
| Window Experts Windows and Doors | 5.0★ (2) | 41 km |
US national ranges converted to CAD, not adjusted for Alliston. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Window replacement | CA$4,830 | CA$10,330 | CA$16,640 | Per project (several windows): typical range of customer-reported projects. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
We scored 409 Alliston window installers 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 October 22, 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 |