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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryRetail & CommerceOnline shopWinterthurLeu Numismatik AG
Leu Numismatik AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Leu Numismatik is the trade and auctioning of coins and numismatic objects, including ancient, medieval and modern coins. The company also offers a webshop, an auction platform and consulting services for collectors and interested parties.

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Products & services

Industry:Online shop
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Leu Numismatik AG

4
Auctions
Auctions for coins, medals, banknotes and related numismatic objects; online bidding, auction archive and registration access for bidding.
Web Shop
Web shop for numismatic items; online purchase of coins and related objects with shopping cart, payment and shipping information.
Consignment
Consignment of coins and numismatic objects for sale via the company’s own auction and trading channels.
Auction archive
Auction archive with registered access to past auctions, lots and bidding functions for logged-in users.
Trust & reputation

ranQ Trust Score of Leu Numismatik AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 100% · As of November 2026

Leu Numismatik AG scores 68.3 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.49.324%
  • 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%
Leu Numismatik AG scores 83.5 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.86.512%
  • 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%
Leu Numismatik AG scores 86.7 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).86.722%
Leu Numismatik AG scores 50.0 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 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

Leu Numismatik AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 3.9 out of 5 stars from 37 customer reviews. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
3.9
of 5

Aggregated from 37 reviews across all connected sources

Sources
GGoogle3.937
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

June 1, 2026Media
EID-MAR-Denar in Zürich: Münze des Caesar-Mörders für 420'000 Franken versteigert
20min.ch

Knowledge

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Comparisons

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Location

Stadthausstrasse 143
8400 Winterthur
Opening hours
Mon
09:00 - 17:00
Tue
09:00 - 17:00
Wed
09:00 - 17:00
Thu
09:00 - 17:00
Fri
09:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-394.131.510
Founded
2016 · 10 years
Last commercial register change
January 6, 2025
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.
100.0
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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