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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryIndustryJewelry & Precious Metal ManufacturingWinterthurErnst Schuppisser, Goldschmiede-Atelier
Ernst Schuppisser, Goldschmiede-Atelier Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Schuppisser Goldschmied Winterthur includes the manufacture and repair of gold jewelry, the trade in precious metals, the purchase of scrap gold, watches and silverware, as well as gemstone cutting. The company also offers consulting and service services such as size changes and the creation of handmade individual pieces.

AI-generated
Offering

Products & services

Industry:Jewelry & Precious Metal Manufacturing
✓ Offered5
New creations
Custom-made jewellery and one-offs according to individual ideas, crafted from existing or selected gemstones and precious metals.
Handmade one-of-a-kind pieces
Handcrafted jewellery one-offs with a wide selection of gemstones in various colours and sizes.
Service and repairs
Alterations, restoration and general repairs to jewellery items, including size changes in gold.
Precious metal trading
Purchase of precious metals in various forms, including scrap gold, watches and old silver cutlery; non-binding offers available.
Expert and professional advice
Personal advice on selecting gemstones, modifying existing jewellery pieces and assessing jewellery.
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4.4/5

Ernst Schuppisser, Goldschmiede-Atelier

Trust & reputation

ranQ Trust Score of Ernst Schuppisser, Goldschmiede-Atelier: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Ernst Schuppisser, Goldschmiede-Atelier scores 89.1 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.81.524%
  • 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.98.510%
  • 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.100.08%
Ernst Schuppisser, Goldschmiede-Atelier 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%
Ernst Schuppisser, Goldschmiede-Atelier 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%
Ernst Schuppisser, Goldschmiede-Atelier scores 0.3 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 35.0.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Ernst Schuppisser, Goldschmiede-Atelier reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 47 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
4.7
of 5

Aggregated from 47 reviews across all connected sources

Sources
GGoogle4.747
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Oberer Graben 24
8400 Winterthur
Opening hours
Mon
08:00 - 12:00, 13:30 - 18:00
Tue
08:00 - 12:00, 13:30 - 18:00
Wed
08:00 - 12:00, 13:30 - 18:00
Thu
08:00 - 12:00, 13:30 - 18:00
Fri
08:00 - 12:00, 13:30 - 18:00
Sat
08:00 - 15:00
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-108.160.180
Founded
1983 · 43 years
Last commercial register change
June 23, 2015
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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