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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryRetail & CommerceRetail - Watches & JewelryWinterthurArkenstein Edelsteine & Schmuck Inhaber M. Brupbacher
Arkenstein Edelsteine & Schmuck Inhaber M. Brupbacher Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Arkenstein Edelsteine & Schmuck is the trade in precious stones, in particular the procurement, examination, certification and sale of precious stones, as well as the manufacture and sale of jewelry pieces with precious stones.

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Offering

Products & services

Industry:Retail - Watches & Jewelry
✓ Offered5
Gemstones
Sales of precious and semi-precious stones, especially coloured gemstones; additionally, a small selection of diamonds in the online shop.
Sourcing and certification of gemstones
Sourcing of requested stones outside the assortment; on request, also certification of the stones, in particular for goldsmiths and jewellery manufacturers.
Cutting and polishing of gemstones
Cutting and polishing of rough stones or gemstones to enhance brilliance or to prepare stones for new jewellery pieces.
Presentation of the gemstone collection
Personal presentation of individual stones or the collection at customers' premises, including without obligation to purchase.
Jewellery projects
Support in implementing jewellery pieces with set gemstones; collaboration with goldsmiths in Switzerland and abroad.
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Arkenstein Edelsteine & Schmuck Inhaber M. Brupbacher

Trust & reputation

ranQ Trust Score of Arkenstein Edelsteine & Schmuck Inhaber M. Brupbacher

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

Arkenstein Edelsteine & Schmuck Inhaber M. Brupbacher 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%
Arkenstein Edelsteine & Schmuck Inhaber M. Brupbacher scores 69.6 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.79.212%
  • 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%
Arkenstein Edelsteine & Schmuck Inhaber M. Brupbacher scores 83.3 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).83.322%
Arkenstein Edelsteine & Schmuck Inhaber M. Brupbacher 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%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

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

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Location

Neuburgstrasse 75
8408 Winterthur

At a glance

Legal form
Sole proprietorship
UID
CHE-250.053.488
Founded
2018 · 8 years
Last commercial register change
July 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.67.06%
  • 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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