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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryRetail & CommerceRetail - Watches & JewelryAmstegBergkristalle Müller GmbH
Bergkristalle Müller GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The company's core activity is the search, extraction, cleaning, processing and sale of rock crystals and minerals, particularly in the Urner Mountains.

AI-generated
Offering

Products & services

Industry:Retail - Watches & Jewelry
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4.1/5

Bergkristalle Müller GmbH

✓ Offered3
Buying crystals and minerals
Crystals, rock crystal, rose fluorite, smoky quartz, gwindel and other minerals from the canton of Uri; large and small crystal points, crystal clusters and collector pieces.
Crystals on stands
Crystals with a wooden stand for gifts, service anniversaries, awards or a better presentation; on request with engraving/label and professionally secured.
On-site viewing and consultation
Viewing of the crystals in the new premises in Amsteg by appointment; consultation on crystals and minerals from the company’s own finds.
Trust & reputation

ranQ Trust Score of Bergkristalle Müller GmbH: 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.

Bergkristalle Müller GmbH 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%
Bergkristalle Müller GmbH scores 83.5 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.92.512%
  • 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.70.07%
Bergkristalle Müller 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%
Bergkristalle Müller GmbH scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Bergkristalle Müller GmbH 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

Grund 57
6474 Amsteg

At a glance

Legal form
Limited Liability Company
UID
CHE-394.247.779
Founded
2014 · 12 years
Last commercial register change
January 15, 2026
Employees
11 to 20
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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