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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceZuzwil SgGrand Gebäudereinigung GmbH
Grand Gebäudereinigung GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Grand Gebäudereinigung GmbH provides cleaning services for residential and commercial properties, including office and maintenance cleaning, move-out cleaning, construction cleaning, carpet and window cleaning, and janitorial/housekeeping services.

AI-generated
Offering

Products & services

Industry:Building Maintenance
✓ Offered7
Move-out cleaning
Move-out cleaning with acceptance guarantee for apartments and commercial properties, including thorough final cleaning of the moving-out home.
Routine cleaning
Routine cleaning for private apartments and commercial properties, available on a regular basis or as a subscription arrangement.
Office cleaning
Office cleaning for offices, industrial buildings, practices, restaurants and banks, with professional cleaning for commercial premises.
Construction cleaning
Construction cleaning for new builds and construction sites, with reliable cleaning work and on-time execution.
Window cleaning
Window cleaning for private apartments and commercial properties, as part of regular or one-off cleaning work.
Household cleaning
Household cleaning for private apartments, including spring cleaning and regular support through a subscription system.
Carpet cleaning
Carpet cleaning with spray extraction for heavily soiled carpet flooring and carpet-covered stairs.
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3.9/5

Grand Gebäudereinigung GmbH

Trust & reputation

ranQ Trust Score of Grand Gebäudereinigung GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Grand Gebäudereinigung GmbH scores 54.6 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.56.824%
  • 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.52.910%
  • 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%
Grand Gebäudereinigung GmbH scores 86.7 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.70.07%
Grand Gebäudereinigung GmbH scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Grand Gebäudereinigung GmbH scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Grand Gebäudereinigung GmbH reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 3.9 out of 5 stars from 7 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
3.9
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle3.97
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Herbergstrasse 29
9524 Zuzwil Sg

At a glance

Legal form
Limited Liability Company
UID
CHE-112.441.222
Founded
2005 · 21 years
Last commercial register change
March 13, 2020
Employees
11 to 20
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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