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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryRetail & CommerceWholesale - Construction & Raw MaterialsRothenburgStonera AG
Stonera AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Stonera AG is a wholesaler of natural stone and granite slabs that supplies processing companies and distribution organisations. The company publishes its current inventory online, lists selected slab collections and works with partners for processing and transport, including participation in the Swiss-Slabs marketplace.

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Products & services

Industry:Wholesale - Construction & Raw Materials
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4.1/5

Stonera AG

7
Stone and granite wholesale
All types of stone and granite unsized slabs in wholesale, supplying processing companies and sales organisations, current availability online.
Stock of stone and granite unsized slabs
Current stock of stone and granite unsized slabs with immediate delivery, viewable online.
Swiss-Slab marketplace
Online marketplace for unsized slabs with material from various Swiss warehouses.
Natural stone range
Selection of natural stone slabs such as quartzite in different colours and finishes, including Atlantis Cloud, Black Diamond and Taj Mahal.
Quartzite slabs
Quartzite slabs in different colour palettes and finishes, such as polished, leather, satinised or honed.
Natural stone samples and slab selection
Samples and direct selection of natural stone slabs on site or with natural stone processors for an exact product choice.
Sustainable raw material sourcing and eco-friendly logistics
Sustainable sourcing of raw materials and eco-friendly logistics in connection with natural stone trade.
Trust & reputation

ranQ Trust Score of Stonera AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Stonera AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Stonera AG scores 83.5 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.95.212%
  • 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%
Stonera AG scores 83.3 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).83.322%
Stonera AG scores 9.4 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 35.9.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Stonera AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Hasenmoosstrasse 13a
6023 Rothenburg

At a glance

Legal form
Corporation
UID
CHE-397.923.950
Founded
2013 · 13 years
Last commercial register change
March 3, 2026
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.
100.0
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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