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Best Window Cleaners in Alliston, ON (2026)

5 window cleaners ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Alliston: True North Windows, CR Score 60/100; 5.0★ from 22 Google reviews; open Saturdays until 8 PM.

  2. 3

    Most-reviewed: BRIGHT LEMONZ CO. Property Solution, 36 Google reviews at 5.0★, the most of 5 ranked; ranked #3.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

5 Alliston window cleaners are ranked here by CR Score, from ten published factors. 5 open Saturdays and 1 open Sundays, based on posted hours. The median Google rating is 5.0★ across 5 rated businesses.

Top 5 window cleaners in Alliston at a glance

Top 5 window cleaners in Alliston at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1True North Windows605.0★ (22)Willowdale, 16 km awaySat · EveningsOverall
2Home Glow Exterior House Detailing555.0★ (4)Angus, 19 km awaySat · Sun · Evenings—
3BRIGHT LEMONZ CO. Property Solution545.0★ (36)Barrie, 22 km awaySat · EveningsMost reviews
4Rex Windows and Home535.0★ (25)King, 17 km awaySat—
54plus Inc.505.0★ (6)Aurora, 16 km awaySat · Evenings—

The 5 best window cleaners in Alliston, 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.

  1. Ranked #1 in Alliston

    #1 True North Windows

    Based in Willowdale, 16 km away

    60/100CR Score

    Ranked #1 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Window cleaning service”.

    • 5.0★ from 22 Google reviews
    Hours
    Mon–Sat 8 AM–8 PM · Sun closed
    View profile for True North Windows(647) 535-2059

  5. #5 4plus Inc.

    Based in Aurora, 16 km away

    50/100CR Score

    Ranked #5 because of its Google rating and review volume: 5.0★ from 6 Google reviews.

    • 5.0★ from 6 Google reviews
    Hours
    Mon–Thu 8 AM–8 PM · Fri 8 AM–6 PM · Sat 8 AM–3 PM · Sun closed
    View profile for 4plus Inc.(844) 224-7587

How we ranked Alliston window cleaners

We scored 5 Alliston window cleaners 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Alliston data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Window cleaners in Alliston: frequently asked questions

Who is the best window cleaner in Alliston?

By CR Score, the highest-ranked window cleaner in Alliston, ON is True North Windows with a CR Score of 60/100. It has 5.0★ from 22 Google reviews. It is open Saturdays until 8 PM. Home Glow Exterior House Detailing (#2) and BRIGHT LEMONZ CO. Property Solution (#3) follow. We ranked 5 window cleaners on ten factors, last updated November 3, 2026.

Which window cleaners in Alliston work on weekends?

5 of 5 ranked window cleaners post Saturday hours and 1 post Sunday hours. The highest-ranked open Saturdays are True North Windows (#1), Home Glow Exterior House Detailing (#2) and BRIGHT LEMONZ CO. Property Solution (#3). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Alliston window cleaners have?

The median Google rating among 5 rated window cleaners in Alliston is 5.0★, with a median of 22 reviews. BRIGHT LEMONZ CO. Property Solution has the most, 36 reviews, and ranks #3. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank window cleaners?

Each window cleaner 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 window cleaners outside Alliston count in this ranking?

Yes, if they are within 24 km of the Alliston city centre, our service radius for window cleaners. 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 window cleaners 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

  1. November 2026: CR Scores recalculated for 5 window cleaners serving Alliston.

More window cleaners and Alliston pages

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