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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryReal EstateFacility Management & CleaningErmenseeThe CleanStones GmbH
The CleanStones GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of The CleanStones GmbH is the professional and environmentally friendly cleaning of natural and artificial stone surfaces, including facades, stairs, walls, paving, slabs and other similar surfaces, using special cleaning agents and without the use of high-pressure cleaners.

AI-generated
Offering

Products & services

Industry:Facility Management & Cleaning
✓ Offered6
Surface cleaning
Surface cleaning on and around the house for concrete and natural stone paving, slabs, stairs, porcelain stoneware slabs, wooden grilles, as well as natural stone and concrete walls.
Facade cleaning
Facade cleaning and cleaning of the underside of the roof with gentle methods, without scaffolding, on request with protection against early re-soiling.
Service subscription
Regular subscription-based cleaning with a cleaning interval individually tailored, a joint cleaning schedule and low organisational effort.
Sample area
On-site consultation with a free sample area and a non-binding offer to assess the cleaning effect on the property.
Cleaning agents
Cleaning agents for stone surfaces and facades, produced in Switzerland, certified and approved, partly bio-based and gentle.
Cleaning processes
1-, 2-, 3- and 4-step processes for cleaning and protecting surfaces and facades, tailored to the level of soiling and the desired post-treatment.
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3.8/5

The CleanStones GmbH

Trust & reputation

ranQ Trust Score of The CleanStones GmbH: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

The CleanStones GmbH scores 65.7 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.66.724%
  • 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.45.610%
  • 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.88.08%
The CleanStones GmbH scores 57.1 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.39.612%
  • 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%
The CleanStones 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%
The CleanStones 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

The CleanStones GmbH reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 4.4 out of 5 stars from 5 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 5 reviews across all connected sources

Sources
GGoogle4.45
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Schulhausstrasse 19
6294 Ermensee

At a glance

Legal form
Limited Liability Company
UID
CHE-494.384.000
Founded
2024 · 2 years
Last commercial register change
September 26, 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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