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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryRetail & CommerceJewellerAsconaCharly Zenger SA
Charly Zenger SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Charly Zenger SA offers watches and jewellery from various brands alongside its own jewellery designs. Its gemmological centre selects diamonds and gemstones and uses them to create jewellery to customers’ specifications.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Jeweller
✓ Offered5
Rolex watches
Rolex watches, sold by an authorized dealer in Ascona, Rolex collection, new models, Rolex accessories and maintenance.
Brand watches
Brand watches, collections and models of Oris, Hublot, TAG Heuer, Tudor, Breitling and Chopard in the boutiques in Ascona and Lugano.
Jewellery
Jewellery with rings, chokers, bracelets and earrings; collections by Ole Lynggaard Copenhagen, Wellendorff, Giberg, Charly Zenger, Pomellato, Girello, Chopard and FOPE.
Custom-made jewellery
Custom-made jewellery with selection and processing of diamonds and coloured gemstones, according to the customer's wishes; choice of carat, cut and clarity.
Boutique
Boutique in Ascona with sales points at Via Borgo 40 and Via Borgo 49, continuous opening hours Monday to Saturday, direct contact for Rolex and Watches & Jewelry.
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4.2/5

Charly Zenger SA

Trust & reputation

ranQ Trust Score of Charly Zenger SA: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of November 2026

Charly Zenger SA scores 68.5 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.70.224%
  • 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.63.210%
  • 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.70.08%
Charly Zenger SA scores 85.5 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%
Charly Zenger SA scores 86.7 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).86.722%
Charly Zenger SA scores 54.3 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 35.54.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Charly Zenger SA reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.5 out of 5 stars from 11 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.5
of 5

Aggregated from 11 reviews across all connected sources

Sources
GGoogle4.511
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Hier entsteht die Karte
Via Borgo 40
6612 Ascona
Opening hours
Mon
09:00 - 17:00
Tue
09:00 - 17:00
Wed
10:00 - 18:30
Thu
10:00 - 18:30
Fri
10:00 - 18:30
Sat
10:00 - 17:00
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.738.467
Founded
1987 · 39 years
Last commercial register change
October 15, 2020
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • TIAscona
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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