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

About the company

The core activity of Premium Clean GmbH is the professional cleaning and maintenance of real estate, particularly in the field of building cleaning and facility management. The company offers customized cleaning services for businesses and private individuals, including floor, window, shutter and other equipment cleaning, as well as material care and environmental protection.

AI-generated
Offering

Products & services

Industry:Facility Management & Cleaning
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4.0/5

Premium Clean GmbH

✓ Offered8
Building cleaning
Building cleaning for businesses and private individuals, including regular cleaning, maintenance cleaning, floors, windows, blinds and preservation of the property’s value.
Office cleaning
Office cleaning with surface and deep cleaning, discretion regarding documents and company property, and cleaning for clean workspaces.
Maintenance cleaning
Regular maintenance cleaning for long-term cleanliness, individually tailored cleaning packages and on-site cleaning services.
Construction cleaning
Construction cleaning after the completion of buildings, removal of construction residues and soiling, and quality checks before handover.
Property caretaking
Property caretaking for existing buildings, including on-site support, cleaning of interior areas, outdoor facilities, parking levels, large operations, public institutions and production areas.
Private customer cleaning
Cleaning service for living spaces and apartments, tailored to your lifestyle, including windows, blinds, flooring, outdoor areas and annual deep cleaning.
Special cleaning
Special cleaning for demanding and unconventional cleaning tasks, after precise clarification and using adapted methods.
Solar panel cleaning
Solar panel cleaning, removal of weather- and environment-related soiling, and support for system performance.
Trust & reputation

ranQ Trust Score of Premium Clean GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Premium Clean GmbH scores 62.1 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.75.024%
  • 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.40.910%
  • 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.50.08%
Premium Clean GmbH scores 79.8 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.92.512%
  • 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%
Premium 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%
Premium 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

Premium Clean GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 4 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
5
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Schlossgasse 7
8003 Zurich
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
24h
Sun
24h

At a glance

Legal form
Limited Liability Company
UID
CHE-461.940.928
Founded
2014 · 12 years
Last commercial register change
September 14, 2017
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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