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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryReal EstateFacility Management & CleaningWidnauTop Clean GmbH
Top Clean GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Top Clean GmbH is the provision of cleaning services, including: window cleaning, shutter cleaning, facade cleaning, building cleaning, janitorial services, basic cleaning and treatment of floor coverings, garden maintenance and upkeep, final cleaning, office cleaning, maintenance cleaning, moving cleaning, and construction cleaning. The company offers these services to various customers, including private individuals, companies, and institutions, in the Rhine Valley region.

AI-generated
Offering

Products & services

Industry:Facility Management & Cleaning
✓ Offered5
Building cleaning
Building cleaning for office cleaning, regular maintenance cleaning, final cleaning, move-out cleaning and rough construction cleaning, as well as deep cleaning and floor treatment.
Window and shutter cleaning
Window and shutter cleaning for private and commercial properties, including care and cleaning of the windows and shutters.
Facade cleaning
Facade cleaning at great heights using our own access platforms, after a site inspection and on-site consultation.
PV system cleaning
Cleaning of photovoltaic systems as part of specialised exterior and façade cleaning.
Property caretaking
Property caretaking for multi-family houses and commercial properties, including cleaning and maintenance of the buildings inside and outside, as well as garden care and upkeep.
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4.1/5

Top Clean GmbH

Trust & reputation

ranQ Trust Score of Top Clean GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Top Clean GmbH scores 66.6 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.67.224%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.55.910%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.78.08%
Top Clean GmbH scores 83.0 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.100.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.55.07%
Top Clean GmbH scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).85.022%
Top Clean GmbH scores 4.0 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.4.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Top Clean GmbH reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.4 out of 5 stars from 8 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.4
of 5

Aggregated from 8 reviews across all connected sources

Sources
GGoogle4.48
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Knowledge

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Location

Gässelistrasse 5a
9443 Widnau

At a glance

Legal form
Limited Liability Company
UID
CHE-100.344.285
Founded
1998 · 28 years
Last commercial register change
July 4, 2014
Employees
1 to 10
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
88.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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