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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryCrafts & TradesGoldsmithUnterägeriJean L. Studer + Michelle V. Studer
Jean L. Studer + Michelle V. Studer Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Jean L. Studer + Michelle V. Studer operate a goldsmith’s workshop that makes and trades in jewellery. Services include custom pieces, alterations and repairs, as well as buying and selling precious metals, gemstones and jewellery.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Goldsmith
✓ Offered5
Gold jewellery and one-of-a-kind jewellery
Gold jewellery, one-of-a-kind jewellery, rings, wedding rings, alliance rings and solitaires, earrings, men’s jewellery, pearls, silver and gemstones—made to your wishes or selected.
Jewellery repairs and refinishing
Repairs of all kinds to jewellery, including silver, platinum, costume jewellery and old gold; soldering chains, resizing rings, setting stones and refinishing jewellery.
Watch servicing and watch repairs
Battery replacement, minor watch service, pressure testing, overhauls and repairs of mechanical movements by watchmakers; also making individual watch parts.
Purchase of gold and precious metals
Buying gold, silver, platinum, palladium, jewellery, coins, bars, watches, diamonds and gemstones at current daily prices.
Second-hand jewellery
Checked second-hand jewellery in the showroom in Oberägeri, including rings, chains, bracelets, brooches, antique jewellery and vintage one-of-a-kind pieces.
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4.5/5

Jean L. Studer + Michelle V. Studer

Trust & reputation

ranQ Trust Score of Jean L. Studer + Michelle V. Studer: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of November 2026

Jean L. Studer + Michelle V. Studer scores 94.0 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.94.024%
  • 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.99.010%
  • 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.88.08%
Jean L. Studer + Michelle V. Studer scores 76.6 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.89.612%
  • 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%
Jean L. Studer + Michelle V. Studer 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%
Jean L. Studer + Michelle V. Studer scores 28.6 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 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Jean L. Studer + Michelle V. Studer reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 5.0 out of 5 stars from 48 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
5
of 5

Aggregated from 48 reviews across all connected sources

Sources
GGoogle548
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Zugerstrasse 17
6314 Unterägeri
Opening hours
Mon
Closed
Tue
10:00 - 12:00, 14:00 - 18:00
Wed
10:00 - 12:00, 14:00 - 18:00
Thu
10:00 - 12:00, 14:00 - 18:00
Fri
10:00 - 12:00, 14:00 - 17:45
Sat
10:00 - 16:00
Sun
Closed

At a glance

Legal form
General Partnership
UID
CHE-433.059.901
Founded
2015 · 11 years
Last commercial register change
January 8, 2015
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • ZGUnterägeri
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.79.06%
  • 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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