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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryRetail & CommerceArt & Antique TradeGenevaAAA Numismatique, O. Chaponnière
AAA Numismatique, O. Chaponnière Logo
Verified· 3 sourcesTrust Score
Summary

About the company

AAA Numismatique, O. Chaponnière provides numismatic services and trades in coins, medals, banknotes, decorations, gemstones and precious metals. The firm carries out free expertises, buys and sells collections and investment gold, and organizes public and online auctions.

AI-generated
Offering

Products & services

Industry:Art & Antique Trade
✓ Offered4
Numismatic Trading and Appraisals
Coins, medals, banknotes and decorations from Switzerland, Europe, America and worldwide; free appraisals, plus purchase and sale of collections.
Auction Sales of Coins and Banknotes
Public and electronic auctions for collector coins, medals and banknotes; consignments, catalogues and online bidding through the sales platform.
Numismatic Publications
Reference books and catalogues on Swiss gold coins, banknotes and numismatic topics; available in the shop and to order.
Purchase and Appraisals of Precious Metals and Jewellery
Purchase and appraisals of diamonds, jewellery, silverware, gold objects, gemstones and investment gold in bars and common gold coins.
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4.4/5

AAA Numismatique, O. Chaponnière

Trust & reputation

ranQ Trust Score of AAA Numismatique, O. Chaponnière: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

AAA Numismatique, O. Chaponnière scores 84.0 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.76.824%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.92.510%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.95.08%
AAA Numismatique, O. Chaponnière 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%
AAA Numismatique, O. Chaponnière scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
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%
AAA Numismatique, O. Chaponnière scores 68.6 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 35.68.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

AAA Numismatique, O. Chaponnière reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.6 out of 5 stars from 37 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
4.6
of 5

Aggregated from 37 reviews across all connected sources

Sources
GGoogle4.637
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Knowledge

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Location

Avenue du Mail 15
1205 Geneva
Opening hours
Mon
08:45 - 12:30, 13:00 - 17:15
Tue
08:45 - 12:30, 13:00 - 17:15
Wed
08:45 - 12:30, 13:00 - 17:15
Thu
08:45 - 12:30, 13:00 - 17:15
Fri
08:45 - 12:30, 13:00 - 17:15
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-101.083.124
Founded
2000 · 26 years
Last commercial register change
February 28, 2012
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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