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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesFlooring & TilingDiepoldsauGreytone Keramik by Ata
Greytone Keramik by Ata Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Greytone Keramik by ATA is the laying of tiles and slabs, as well as related services such as bathroom renovation, wall and floor installation, Ytong wall construction, natural stone processing, grouting and silicone work.

AI-generated
Offering

Products & services

Industry:Flooring & Tiling
✓ Offered6
Tiling
Installation of all types of tiles, including ceramic, natural stone and porcelain stoneware; wall tiling and floor tiling for residential and commercial premises.
Bathroom renovation
Consulting, planning and installation for bathroom renovations; individual tailoring, barrier-free solutions, made-to-measure work and fixed-price offers.
Natural stone installation
Professional installation of natural stone tiles, slabs and mosaics in living spaces, bathrooms, kitchens and terraces.
Grouting work
Professional joint services for tiles, with precise execution and long-lasting joint compounds.
Silicone sealing
Silicone sealing for bathroom and kitchen areas to protect against moisture and mould growth.
Erection of Ytong walls
Erection of Ytong walls for residential and commercial premises, as a robust and energy-efficient wall solution.
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3.8/5

Greytone Keramik by Ata

Trust & reputation

ranQ Trust Score of Greytone Keramik by Ata: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Greytone Keramik by Ata scores 69.7 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.78.124%
  • 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.49.510%
  • 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.70.08%
Greytone Keramik by Ata scores 52.6 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%
Greytone Keramik by Ata 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%
Greytone Keramik by Ata 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

Greytone Keramik by Ata reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 6 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 6 reviews across all connected sources

Sources
GGoogle56
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Feldstrasse 1a
9444 Diepoldsau
Opening hours
Mon
09:00 - 17:00
Tue
09:00 - 17:00
Wed
09:00 - 17:00
Thu
09:00 - 17:00
Fri
09:00 - 17:00
Sat
08:00 - 12:00
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-421.258.440
Founded
2024 · 2 years
Last commercial register change
August 5, 2025
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.
67.0
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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