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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTesting & Inspection CentersLa Chaux-De-Fondsbureau de contrôle des ouvrages en métaux précieux
bureau de contrôle des ouvrages en métaux précieux Logo
Verified· 3 sourcesTrust Score
Summary

About the company

bureau de contrôle des ouvrages en métaux précieux is the federal office responsible for the control of precious metals and precious-metal изделия. It regulates and supervises the trade, testing, official control and hallmarking of items made from gold, silver, platinum and palladium.

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Products & services

Industry:Testing & Inspection CentersJewelry & Precious Metal Manufacturing
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3.8/5

bureau de contrôle des ouvrages en métaux précieux

Government Institutions
✓ Offered6
Assay and Hallmarking of Precious Metal Goods
Assay and official hallmarking of watch cases, precious metal, multimetal and plated goods; verification of fineness marks, maker’s marks and required material designations.
Assay Mark Registration and Renewal
Registration and renewal of maker’s marks for precious metal, multimetal and plated goods; deadlines, fees, required documents and use of PREZIUS.
Melting and Testing of Precious Metals
Permits and procedures for melting and testing precious metals; smelter licences, individual permits, trade assayer authorisation and import rules for melt products.
Professional Purchase of Used Precious Metals
Registration or authorisation for professional purchase of used precious metals; transition deadlines, due-diligence duties, forms and renewal of buyer licences.
Trading in Bank Precious Metals
Additional authorisation and supervision for professional trading in bank precious metals; application, supporting documents, group relationships and anti-money-laundering obligations.
Precious Metal Analysis and Laboratory Accreditation
Analysis of gold, silver, platinum and palladium under ISO/IEC 17025; accredited testing laboratory with laboratory status and accreditation-related contact details.
Trust & reputation

ranQ Trust Score of bureau de contrôle des ouvrages en métaux précieux: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

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Data basis 58% · As of October 2026

bureau de contrôle des ouvrages en métaux précieux 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%
bureau de contrôle des ouvrages en métaux précieux scores 52.8 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.25.012%
  • 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%
bureau de contrôle des ouvrages en métaux précieux 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%
bureau de contrôle des ouvrages en métaux précieux scores 56.7 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 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.13.34%
Qualifications+0.00

bureau de contrôle des ouvrages en métaux précieux reaches a ranQ Trust Score of 3.8 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 58%, 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.

Press

Media

October 30, 2020Media
A Brügg, des métaux précieux passés au crible
letemps.ch

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Location

Avenue Léopold-Robert 67
2300 La Chaux-De-Fonds

At a glance

Legal form
Public sector institution
UID
CHE-102.753.424
Founded
2025 · 1 year
Last commercial register change
July 17, 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.97.06%
  • 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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