Floor refinishing service · North Chicago, IL · reviewed since 2024
iHow the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 64%56+35.6Reliability 28%49+13.8Replies to reviews 8%100+8.2Experts Score= 58Not enough data for value; its weight is shared by the others.Grade C: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.58SCORE
CGradeiLetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20.
#28 of 30 basement cleaning servicesiPosition by Experts Score among all companies we track in this category. · better than 7%
4.5★★★★★22 Google reviews · 24 photos
82%five-star reviews
10%1–2★, last 20 reviewsiShare of 1–2★ reviews in the last 24 months — or the 20 newest reviews when the company had fewer than 20 in that time.
Google reviewers rate Chicago Cleaning Services Group 4.5 out of 5 based on 22 reviews, noting the owner responds to all feedback. Customers frequently describe the team as professional, thorough, and hardworking, with satisfaction regarding deep cleaning, floor care, and general maintenance. Recurring themes include punctuality, attention to detail, and honest pricing that matches quoted costs. The provided excerpts do not contain specific low-star criticisms, as the only non-five-star review consists of unrelated text.
Google rating: 4.5 out of 5 from 22 reviews (82% five-star).
Reviews on this page: 22 Google reviews (14 with written comments, 3 with photos).
Owner responses: the business replied to 100% of reviews.
Most recent review: May 17, 2025.
Service: Basement Cleaning Service serving North Chicago, Illinois.
Data from Google, last updated October 25, 2026.
Score profile vs other basement cleaning services
Score per factor (100 = best)iEach factor is scored 0–100 on absolute terms (star average, share of 1–2★ reviews, price verdicts…); standing within the category can only raise it, never lower it.. Strongest: replies to reviews and satisfaction; weakest: reliability.
This companyBasement Cleaning Services median0 = centre, 100 = best
SatisfactioniSatisfaction · 54% of the scoreRecency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.Chicago Cleaning Services Group: 56/100 on this factor. Category median: 87.C
56
ReliabilityiReliability · 24% of the scoreHow rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.Chicago Cleaning Services Group: 49/100 on this factor. Category median: 81.C
49
Craft & serviceiCraft & service · penalty only, up to −10 pointsGoogle review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.Not enough reviews for this factor yet. Category median: 90.–
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ValueiValue · 14% of the scoreCustomers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Not enough reviews for this factor yet. Category median: 100.–
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MomentumiMomentum · penalty only, up to −10 pointsPenalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.Not enough reviews for this factor yet. Category median: 100.–
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Replies to reviewsiReplies to reviews · 7% of the scoreHow often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.Chicago Cleaning Services Group: 100/100 on this factor. Category median: 94.A
100
Bar = this company · dark tick = category median.
Star ratings
22 Google reviews we collected
4.5of 5
5 stars1882%
4 stars15%
3 stars15%
2 stars00%
1 star29%
Praise vs complaints
Phrases our text analysis found in 14 written reviews
100%praise
Praise21100%
Complaints00%
Topic share
How often each topic comes up in the written reviews
5topics
Quality & results733%
Would recommend629%
Staff & attitude419%
Speed & response210%
Honesty & trust210%
What customers talk about
We read 14 written reviews and marked every phrase about these topics. The same colors are highlighted in the reviews.
“From the moment they arrived, their team was professional, thorough, and incredibly detail-oriented.”
“If you're looking for top-tier deep cleaning with amazing customer service, look no further.”
“Going above and beyond to not only clean, but sanitize rooms with little to no hassle always professionally done”
“They used high-quality products, respected our space, and worked efficiently without cutting any corners.”
“Great company honest work quoted and completed .”
praise complaint · found by our text analysis, Google review wording unchanged.
Recent reviews
DanielLocal Guide · 89 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · a year ago★★★★★
Ultimate Building Deep Cleaning Services exceeded all expectations! From the moment they arrived, their team was professional, thorough, and incredibly detail-oriented. Every corner, surface, and hard-to-reach area was spotless by the time they finished. The difference in cleanliness was not only visible but truly…
JAWS3 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · a year ago★★★★★
They did such an awesome job! I seriously recommend them if you’re looking for a great cleaning service 👍🏼
Jaime7 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · a year ago★★★★★
Great company, crew works hard and they do a excellent job. I would highly recommend them to anyone.
Aarion2 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · a year ago★★★★★
Great company led by Gustavo Castro… a good leader who always handles given tasks at hand. Going above and beyond to not only clean, but sanitize rooms with little to no hassle always professionally done
Johnnie10 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 2 years ago★★★★★
Best crew I've used to take care of our properties. Reliable, efficient and overall hardworking team. Awesome at floors and general cleaning.
Jojo8Local Guide · 19 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 2 years ago★★★★★
I highly recommend Ultimate Building Cleaning Services, they deep cleaned our facilities and it was impressive their attention to detail, we're very happy.
Ultimate Building Deep Cleaning Services exceeded all expectations! From the moment they arrived, their team was professional, thorough, and incredibly detail-oriented. Every corner, surface, and hard-to-reach area was spotless by the time they finished. The difference in cleanliness was not only visible but truly felt—our building has never looked or smelled so fresh! They used high-quality products, respected our space, and worked efficiently without cutting any corners. If you're looking for top-tier deep cleaning with amazing customer service, look no further. Highly recommended and will absolutely use them again!
Response from the owner · a year ago
Thank you so much !
JAWS3 reviewsiTotal number of Google reviews JAWS has written across all businesses on Google Maps, not just this one.
Great company led by Gustavo Castro… a good leader who always handles given tasks at hand. Going above and beyond to not only clean, but sanitize rooms with little to no hassle always professionally done
