Experts Reviews · 2026 Ratings

The Best Window Cleaning Services in Illinois

We graded 10 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.

$189typical job
98%say the price was fair
4.93★average rating
1.2%bad jobs (1–2★, 2 yrs)

From 10,014 Google reviews of 38 top-rated window cleaning services nationwide; 10 of them in Illinois. Updated October 25, 2026.

Find the right company for your job

Pick the job — we re-rank companies by how customers rated that exact job.

Best window cleaning services in Illinois for glass & mirror cleaning

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Job match = this company’s ★ on reviews Google tagged “Glass & mirror cleaning” (shrunk toward the category average when there are few), how many such jobs it has done, and its overall Experts Score.

What customers said about glass & mirror cleaning

★★★★★ Rob · 4 years agoSpotless Perfection Windo…

Spotless perfection showed up on time and did an awesome job. They cleaned all of our windows inside and out AND they opened every window and cleaned the seals. If you’re looking to get your windows cleaned, use these guys!

Glass & mirror cleaningInterior & exterior window cleaningWindow washing+ Responsiveness+ Punctuality+ Quality
★★★★★ Katelynn · 4 years agoSpotless Perfection Windo…

Tristan was the most professional person I’ve ever worked with! We have had gunk built up for years on and around our windows, he cleaned things we didn’t even THINK to ever clean!!! I definitely Recommend them to anyone looking for some spring cleaning outside because he does a fantastic job!!

Gutter cleaningGlass & mirror cleaningInterior & exterior window cleaning+ Responsiveness+ Punctuality+ Quality

Overall ratings

Experts Score 0–100 and a letter grade per factor (A = top 20% of window cleaning services).

What jobs cost

What customers paid, from the price Google asks reviewers to report.

JobLowTypicalHighFair
Standard cleaning$137$170$19696%
Deep clean$201$236$323100%

Was the price fair?

All price verdicts left with reviews.

Great price · 37%
Reasonable · 59%
Overpriced · 2%
Not sure · 2%

Price verdicts by year

Share calling it great / reasonable / overpriced.

2025
2026

How we grade

Satisfaction (35%) — Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume.

Reliability (15%) — How rarely jobs go badly: share of 1–2★ reviews in the last 24 months (fewer = better).

Craft & service (20%) — Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — net praise per review.

Value (10%) — Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights.

Momentum (8%) — Last 12 months vs lifetime average — improving or slipping.

Track record (7%) — Review volume and years with reviews.

Accountability (5%) — Owner replies to 1–3★ reviews.