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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryJewelry & Precious Metal ManufacturingLes AcaciasDavid Cottier-Angeli
David Cottier-Angeli Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of David Cottier-Angeli's company encompasses the conservation of artworks, the development and manufacture of colored alloys from precious metals such as gold, silver, and platinum, as well as the design and manufacture of jewelry pieces. Additionally, the company also offers services in the field of professional training, teaching, and research.

AI-generated
Offering

Products & services

Industry:Jewelry & Precious Metal Manufacturing
✓ Offered7
Jewellery creation
Bespoke jewellery, finely matched jewels, creation of unique pieces; jeweller’s work from a manufacture and training in high jewellery.
Artworks conservation
Conservation and restoration of archaeological or contemporary objects, cleaning of earlier restorations, reconstruction of elements, consolidations, restoration of original functions, patinas and passivations.
Metal patination
Application of various metal patinas for sculptures and artists' creations, with mastery of patinas, passivations and surface effects on different alloys.
R&D of coloured alloys
Development of coloured alloys based on gold, silver and platinum according to customer specifications, with analytical control, validation, reproducibility, chemical stability and traceability.
Rotating display and robotics
Double-sided presentation mechanism for small objects, mobile display case controlled via a touchscreen or smartphone, designed to limit vibrations and show technical information.
Professional and technical training
Training and certificates in antique metals, crane safety, medico-legal decision-making, induction fields, archaeological conservation and archaeometallurgy.
Teaching and presentations
Teaching and presentations in old metallurgy, conservation of metals, public silversmithing, conferences and training of students, doctoral candidates and conservators.
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4.1/5

David Cottier-Angeli

Trust & reputation

ranQ Trust Score of David Cottier-Angeli: 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.

David Cottier-Angeli 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%
David Cottier-Angeli scores 78.5 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.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%
David Cottier-Angeli 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%
David Cottier-Angeli scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

David Cottier-Angeli 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

Hier entsteht die Karte
Route des Jeunes 5 c
1227 Les Acacias

At a glance

Legal form
Sole proprietorship
UID
CHE-106.646.112
Founded
1990 · 36 years
Last commercial register change
February 11, 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.
67.0
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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