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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryIndustryBuilding materials manufacturerBiberistKläy Naturstein
Kläy Naturstein Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Kläy Naturstein is a stonemasonry business specialising in natural and artificial stonework. Its services include façade renovation, fountains, garden features, restoration of vaulted cellars, and the making of memorials, washbasins, stone furniture and bird baths.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Building materials manufacturer
✓ Offered7
Facade renovations
Clean, repair or replace natural-stone facades, restore the original condition, carry out heritage conservation work and professionally enhance damaged elements.
Fountain installations
Create fountain installations in natural stone, coordinate material and layout, and design a calm outdoor area with an individual effect.
Garden landscaping
Design outdoor areas with natural stone, build walls, seating areas and paths, enhance existing elements and create long-lasting solutions.
Lavabo & stone furniture
Manufacture lavabos and stone furniture to measure, from the washbasin to the seating bench, tailored to room layout, use and proportions.
Vault cellars
Refurbish vault cellars and existing masonry, renew the joints, complete damaged sections and bring surfaces back to a clean condition.
Gravestone art
Design and implement gravestones, with coordinated proportions, surface and lettering, simple and durable in natural stone.
Bird baths
Manufacture bird baths in natural stone, adapt shape and proportions to the surroundings, and produce long-lasting one-off pieces for the garden.
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3.5/5

Kläy Naturstein

Trust & reputation

ranQ Trust Score of Kläy Naturstein: 3.5 out of 5.0

Trust Score3.5/ 5.0

Solid

x

Data basis 96% · As of November 2026

Kläy Naturstein scores 49.8 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.68.224%
  • 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.17.610%
  • 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.35.08%
Kläy Naturstein 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%
Kläy Naturstein scores 86.7 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).86.722%
Kläy Naturstein 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

Kläy Naturstein reaches a ranQ Trust Score of 3.5 out of 5.0 — rated «Solid». The rating draws, among other things, on 5.0 out of 5 stars from 1 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Girizstrasse 18
4562 Biberist
Opening hours
Mon
07:30 - 12:00, 13:00 - 18:30
Tue
07:30 - 12:00, 13:00 - 18:30
Wed
07:30 - 12:00, 13:00 - 18:30
Thu
07:30 - 12:00, 13:00 - 18:30
Fri
07:30 - 12:00, 13:00 - 18:30
Sat
07:30 - 12:00, 13:00 - 15:00
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-350.780.028
Founded
2024 · 2 years
Last commercial register change
December 2, 2025
Employees
1 to 10

Active in 1 of 26 cantons

  • SOSolothurn
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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