62/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 126 Google reviews, listed on Google as “Window cleaning service”.
Best Window Cleaners in Clayton, MO (2026)
71 window cleaners ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Clayton: Shrewsbury Cleaning and Windows, CR Score 62/100; 5.0★ from 126 Google reviews; open 7 days a week.
- 3
Best for emergencies (open 24/7): Andy’s Window Cleaning, posts 24/7 hours; ranked #3 of 71.
- 12
Most-reviewed: Fish Window Cleaning, 1,075 Google reviews at 5.0★, the most of 71 ranked; ranked #12.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
71 Clayton window cleaners are ranked here by CR Score, from ten published factors. 8 are open 24/7, 37 open Saturdays and 27 open Sundays, based on posted hours. The median Google rating is 5.0★ across 71 rated businesses.
Most of this list also appears on the Window cleaners in University City ranking. See Window cleaners in University City
Top 10 window cleaners in Clayton at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Shrewsbury Cleaning and Windows | 62 | 5.0★ (126) | St. Louis, 4 mi away | Sat · Sun | Overall |
| 2 | A.B.S Window Washing | 61 | 5.0★ (147) | St. Louis, 6 mi away | Sat · Sun · Evenings | — |
| 3 | Andy’s Window Cleaning | 59 | 5.0★ (17) | St. Louis, 4 mi away | 24/7 | Emergencies |
| 4 | AMPM Window Washing, Inc. | 59 | 5.0★ (158) | St. Louis, 4 mi away | — | — |
| 5 | HIVE Window Cleaning & Pressure Washing | 57 | 5.0★ (71) | O'Fallon, 13 mi away | Sat · Sun · Evenings | — |
| 6 | Legacy Power Washing & Home Restoration | 57 | 5.0★ (128) | St. Louis, 1 mi away | Sat · Sun · Evenings | — |
| 7 | Monarch Window Cleaning | 57 | 5.0★ (9) | St. Louis, 4 mi away | Sat · Sun | — |
| 8 | Prime Time Services | Window Cleaning & Soft Washing | 56 | 5.0★ (9) | St. Louis, 4 mi away | Sat · Sun | — |
| 9 | Limitless Exterior Cleaning Service | 56 | 5.0★ (78) | Belleville, 3 mi away | 24/7 | — |
| 10 | Ancenta Cleaning Services | 56 | 5.0★ (63) | St. Louis, 6 mi away | — | — |
The 71 best window cleaners in Clayton, 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 St. Louis, 6 mi away
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 147 Google reviews, listed on Google as “Window cleaning service”.
Based in St. Louis, 4 mi away
59/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Window cleaning service”.
Based in St. Louis, 4 mi away
59/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 158 Google reviews, listed on Google as “Window cleaning service”.
Based in O'Fallon, 13 mi away
57/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 71 Google reviews, listed on Google as “Window cleaning service”.
Based in St. Louis, 1 mi away
57/100CR ScoreRanked #6 because of its Google rating and review volume: 5.0★ from 128 Google reviews.
Based in St. Louis, 4 mi away
57/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Window cleaning service”.
Based in St. Louis, 4 mi away
56/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Window cleaning service”.
Based in Belleville, 3 mi away
56/100CR ScoreRanked #9 because of its Google rating and review volume: 5.0★ from 78 Google reviews.
Based in St. Louis, 6 mi away
56/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 63 Google reviews, listed on Google as “Window cleaning service”.
Based in St. Louis, 11 mi away
56/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 16 Google reviews, listed on Google as “Window cleaning service”.
Based in Ballwin, 10 mi away
56/100CR ScoreRanked #12 because of its Google rating and review volume: 5.0★ from 1,075 Google reviews, the most in Clayton.
#13 Topclean
Based in East Saint Louis, 9 mi away
56/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Window cleaning service”.
Based in O'Fallon, 14 mi away
56/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 96 Google reviews, listed on Google as “Window cleaning service”.
Based in Saint Charles, 3 mi away
55/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Window cleaning service”.
Based in St. Louis, 2 mi away
55/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “Pressure washing service”.
Based in Maryland Heights, 8 mi away
55/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.8★ from 100 Google reviews, listed on Google as “Window cleaning service”.
Based in St. Louis, 9 mi away
55/100CR ScoreRanked #18 because of its Google rating and review volume: 4.9★ from 698 Google reviews.
Based in St. Louis, 3 mi away
54/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Window cleaning service”.
Based in Sappington, 10 mi away
54/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.8★ from 105 Google reviews, listed on Google as “Window cleaning service”.
Based in Chesterfield, 11 mi away
54/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 72 Google reviews, listed on Google as “Pressure washing service”.
Based in St. Louis, 2 mi away
54/100CR ScoreRanked #22 because of its Google rating and review volume: 5.0★ from 38 Google reviews.
Based in St. Louis, 8 mi away
54/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.6★ from 67 Google reviews, listed on Google as “Window cleaning service”.
Based in St. Louis, 3 mi away
54/100CR ScoreRanked #24 because of its Google rating and review volume: 5.0★ from 48 Google reviews.
Based in Saint Charles, 15 mi away
53/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 100 Google reviews, listed on Google as “Window cleaning service”.
How we ranked Clayton window cleaners
We scored 71 Clayton 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.
| Factor | Weight | Computed from | In Clayton 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 |
Window cleaners in Clayton: frequently asked questions
Who is the best window cleaner in Clayton?
By CR Score, the highest-ranked window cleaner in Clayton, MO is Shrewsbury Cleaning and Windows with a CR Score of 62/100. It has 5.0★ from 126 Google reviews. It is open 7 days a week. A.B.S Window Washing (#2) and Andy’s Window Cleaning (#3) follow. We ranked 71 window cleaners on ten factors, last updated November 3, 2026.
Which window cleaners in Clayton are open 24/7?
8 ranked window cleaners in Clayton post 24/7 hours. The highest-ranked are Andy’s Window Cleaning (#3), Limitless Exterior Cleaning Service (#9) and Maid 4 Janitorial (#11). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which window cleaners in Clayton work on weekends?
37 of 71 ranked window cleaners post Saturday hours and 27 post Sunday hours. The highest-ranked open Saturdays are Shrewsbury Cleaning and Windows (#1), A.B.S Window Washing (#2) and Andy’s Window Cleaning (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Clayton window cleaners have?
The median Google rating among 71 rated window cleaners in Clayton is 5.0★, with a median of 29 reviews. Fish Window Cleaning has the most, 1,075 reviews, and ranks #12. 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 Clayton count in this ranking?
Yes, if they are within 15 mi of the Clayton city center, 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 Clayton
- November 2026: CR Scores recalculated for 71 window cleaners serving Clayton.
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