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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryReal EstateFacility Management & CleaningWallisellenA1 Reinigungen GmbH
A1 Reinigungen GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company provides cleaning services.

AI-generated
Offering

Products & services

Industry:Facility Management & Cleaning
✓ Offered8
Maintenance cleaning
Regular cleaning of office premises, stairwells, medical practices, kindergartens, schools and other sites; cleaning of surfaces, floors, sanitary facilities, waste disposal and coffee kitchens.
Construction cleaning
Rough cleaning, fine cleaning during construction and final construction cleaning on construction sites; disposal of construction rubble and waste, handover in broom-clean condition for residential, commercial and multi-family buildings.
Facade cleaning
Cleaning of building facades; removal of dirt, moss, lichens, discolourations and graffiti to support appearance and preservation of value.
Property caretaking
Property caretaking for buildings; rectification of minor damage, replacement of tradespeople for larger jobs and supervision of the companies used.
Garden maintenance
Maintenance of private gardens, green areas at multi-family buildings, commercial properties and public facilities; taking over complex care work on green spaces.
Floor impregnation
Impregnation of footpaths, driveways, terraces and other mineral outdoor surfaces; protection against wear, contamination, stains and vegetation growth.
Aluminium facade care
Cleaning and care of aluminium facades; use of suitable processes for thorough cleaning and maintaining appearance and value.
Stone floor crystallisation
Stone crystallisation for stone floors made of natural stone or cast stone; refresh of the surface, more shine and increased scratch and abrasion resistance.
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4.1/5

A1 Reinigungen GmbH

Trust & reputation

ranQ Trust Score of A1 Reinigungen GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

A1 Reinigungen GmbH scores 71.7 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.77.424%
  • 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.78.08%
A1 Reinigungen GmbH scores 72.3 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.75.012%
  • 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%
A1 Reinigungen 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%
A1 Reinigungen GmbH scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

A1 Reinigungen GmbH reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.9 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
4.9
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle4.97
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Kriesbachstrasse 3a
8304 Wallisellen

At a glance

Legal form
Limited Liability Company
UID
CHE-481.155.973
Founded
2019 · 7 years
Last commercial register change
December 30, 2024
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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