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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryRetail & CommerceRetail - Watches & JewelryLausanneDaniel de Guy S.A.
Daniel de Guy S.A. Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Daniel de Guy is the sale and personalization of luxury watches and jewelry, including rings, solitaires, diamond alliances, colored stones, tutti frutti, bracelets, earrings, signet rings, pendants and watches. The company also offers services such as personalization and repair of watches and jewelry.

AI-generated
Offering

Products & services

Industry:Retail - Watches & Jewelry
✓ Offered4
Luxury Watches (New and Pre-Owned)
Selected luxury watches, new and pre-owned, certified and authenticated; sourcing on request for various brands and models.
Custom Signet Rings
Custom signet rings with initials, coat of arms or personal symbols; choice of shape, metal, engraving and individual details.
Jewellery and Watchmaking Workshop
Repairs, transformations, refurbishment, polishing, rhodium plating, engraving and bead stringing, plus watch servicing, refurbishment and battery service.
Jewellery Financing
Installment financing for jewelry purchases via Heylight, up to CHF 10,000, with quick approval and monthly payments.
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4.5/5

Daniel de Guy S.A.

Trust & reputation

ranQ Trust Score of Daniel de Guy S.A.: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Daniel de Guy S.A. scores 89.4 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.81.624%
  • 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.99.510%
  • 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%
Daniel de Guy S.A. 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%
Daniel de Guy S.A. 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%
Daniel de Guy S.A. scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Daniel de Guy S.A. reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.7 out of 5 stars from 49 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 49 reviews across all connected sources

Sources
GGoogle4.749
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Rue Centrale 5
1003 Lausanne
Opening hours
Mon
09:30 - 18:30
Tue
09:30 - 18:30
Wed
09:30 - 18:30
Thu
09:30 - 18:30
Fri
09:30 - 18:30
Sat
09:30 - 17:00
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.461.618
Founded
1989 · 37 years
Last commercial register change
September 26, 2011
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.
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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