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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryRetail & CommerceRetail - Watches & JewelryColombier NeSébastien Käser, Atelier Horloger
Sébastien Käser, Atelier Horloger Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company's core activity is the repair, maintenance and sale of watches and pendulums, including support for professional partners in the watch and jewelry industry. The company also offers a shipping service for watch repairs and sells watches from various brands, such as ELKA and MeisterSinger.

AI-generated
Offering

Products & services

Industry:Retail - Watches & Jewelry
✓ Offered9
Repair and revision of watches and clocks
Repair of old or modern watches and clocks, servicing, quick quotation, repair follow-up and handling in the workshop or by shipment.
Watch sales
Sale of watches in an online boutique, with models from various brands and series, offered to both private individuals and professionals.
Clock sales
Sale of clocks in an online boutique, with a selection of models available directly on the site.
Battery and strap replacement
Battery and strap replacement for watches of all brands, integrated into services for private customers.
Watch shipping service
Sending a watch to the workshop with a protective transport box, recommended shipping, detailed quotation, tracking number and return to the customer’s home address.
Services for watchmaking professionals
Services reserved for watch brands and jewelers/watchmakers, with workshop services for industry players.
Technical timepiece analysis
Technical analysis of timepieces for private individuals and professionals, with inspection and expert assessment in the workshop.
Watchmaking subcontracting for brands
Subcontracting and external support for watch brands, in particular for production requirements, inspection, or workshop processing.
Reconditioning and testing
Reconditioning, analyses and tests for watch series and parts, with follow-up and quality control.
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4.2/5

Sébastien Käser, Atelier Horloger

Trust & reputation

ranQ Trust Score of Sébastien Käser, Atelier Horloger: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Sébastien Käser, Atelier Horloger scores 75.1 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.76.724%
  • 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.68.910%
  • 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.78.08%
Sébastien Käser, Atelier Horloger scores 75.3 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.92.512%
  • 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%
Sébastien Käser, Atelier Horloger 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%
Sébastien Käser, Atelier Horloger scores 31.4 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 35.31.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Sébastien Käser, Atelier Horloger reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 14 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 14 reviews across all connected sources

Sources
GGoogle4.714
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Rue Haute 3
2013 Colombier Ne
Opening hours
Mon
Closed
Tue
09:00 - 12:00, 13:30 - 17:30
Wed
Closed
Thu
Closed
Fri
Closed
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-459.065.406
Founded
2014 · 12 years
Last commercial register change
April 4, 2018
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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