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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryRetail & CommerceRetail - Watches & JewelryMontreuxRoman Mayer SA
Roman Mayer SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Roman Mayer is a Swiss watch and jewelry retailer specializing in the sale and servicing of luxury watches and jewelry. The company's core activity encompasses the sale of watches and jewelry from renowned brands such as Patek Philippe, Chopard, Franck Muller, Omega, Longines, and others, as well as the creation of its own jewelry pieces by in-house designer Stéphanie Léchenne.

AI-generated
Offering

Products & services

Industry:Retail - Watches & Jewelry
✓ Offered9
Watchmaking
Brand watches from Patek Philippe, Chopard, Franck Muller, Longines, Jowissa, Rado, Omega, Tissot and Hamilton.
Jewellery
Jewellery by brands such as Anna O’, La Brune & La Blonde, dinh van, Fope, Fred, Frey Wille, Marco Bicego, Meister, Morganne Bello and Chopard.
Watch winders & accessories
Watch winders (remontoirs) and accessories from Bernard Favre Remontoirs, RDI Remontoirs, Sonja Quandt, Wolf 1834 and Chopard.
Advice / After-Sales Service (Watchmaking)
Full or partial servicing of mechanical watches with automatic or manual winding, restoring operation and accuracy.
Jewellery Advice / After-Sales Service
Repairs, alterations, creations, polishing, rhodium plating, size changes, resizing, setting and replacement of stones.
Jewellery creations
Design of bespoke jewellery and unique one-off pieces, set with coloured stones or diamonds, based on the client’s ideas.
Engagement & wedding rings
Engagement and wedding rings, selected in-store or created to measure, with personalisation and full production.
Birth / Baptism
Jewellery and gifts for newborns, in particular bracelets and items in 925 silver to celebrate a birth or a baptism.
Gemmology / Expertise
Advice on precious stones, gemmological expertise and valuations for estates or insurance.
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4.5/5

Roman Mayer SA

Trust & reputation

ranQ Trust Score of Roman Mayer SA: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Roman Mayer SA 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.82.624%
  • 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.100.010%
  • 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.95.08%
Roman Mayer 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%
Roman Mayer SA 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%
Roman Mayer SA scores 62.9 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 35.62.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Roman Mayer SA 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 74 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 74 reviews across all connected sources

Sources
GGoogle4.774
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Avenue du Casino 39
1820 Montreux
Opening hours
Mon
09:00 - 12:15, 13:30 - 18:30
Tue
09:00 - 12:15, 13:30 - 18:30
Wed
09:00 - 12:15, 13:30 - 18:30
Thu
09:00 - 12:15, 13:30 - 18:30
Fri
09:00 - 12:15, 13:30 - 18:30
Sat
09:00 - 12:15, 13:30 - 17:00
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-460.082.251
Founded
2011 · 15 years
Last commercial register change
July 7, 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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