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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryIndustryGlass, Ceramics, Stone & Construction Materials IndustryPoschiavoMarmor- und Serpentinwerke AG
Marmor- und Serpentinwerke AG Logo
Verified· 2 sourcesTrust Score4.1/5

Marmor- und Serpentinwerke AG

Summary

About the company

The purpose of the company is the acquisition and exploitation of marble and serpentin quarries, particularly the serpentin quarries in the area of the municipality of Poschiavo, the processing and sale of raw marble and serpentin blocks and slabs and objects made therefrom, and the operation of the related industrial facilities.

Commercial register, canton of GR·As of December 27, 2018View on Zefix
Offering

Products & services

Industry:Glass, Ceramics, Stone & Construction Materials Industry
✓ Offered1
Natural stone products
Natural stone products in serpentine and marble for construction and interior finishing, custom-cut elements, and other stone加工 services.
Trust & reputation
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ranQ Trust Score of Marmor- und Serpentinwerke AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Marmor- und Serpentinwerke 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.
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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%
Marmor- und Serpentinwerke AG scores 85.5 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.100.012%
  • 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%
Marmor- und Serpentinwerke AG scores 81.7 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).81.722%
Marmor- und Serpentinwerke AG scores 1.4 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.1.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Marmor- und Serpentinwerke 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

Via S. Sisto 6
7742 Poschiavo

At a glance

Legal form
Corporation
UID
CHE-102.152.064
Founded
1935 · 91 years
Last commercial register change
December 27, 2018
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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