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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryIndustryJewelry & Precious Metal ManufacturingLa Chaux-De-FondsPromotion Services SA
Promotion Services SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Promotion Services SA provides manufacturing and production services for the watchmaking and jewelry sector, including prototyping, polishing, assembly and laser welding. Its services also cover research & development, processing of materials (gold, stainless steel, titanium, ceramic, platinum) and logistics/production coordination.

AI-generated
Offering

Products & services

Industry:Jewelry & Precious Metal Manufacturing
✓ Offered6
Components for watchmaking & jewellery
High-end components for watchmaking and jewellery, with solutions tailored to customers’ specific requirements and finished products.
Product development and prototyping
Research & development, laboratory, proof of concept (POC) and prototyping centre to validate the technical feasibility and the aesthetic concept of projects.
Custom production
Production of parts and finished products according to the client’s requirements, using suitable production tools, industrial coordination and monitoring of the production flow.
Polishing of watch components
Polishing of the parts that make up a watch, either on machines or by hand depending on the series, with several finishes such as mirror polish, block polish and black polish.
Inspection and assembly
Fitting and assembly of watch components, with micromechanical operations on certain watch trim parts, pushers, chassage/setting and complete strap mounting.
Production logistics and traceability
Order management, coordination of production sites, monitoring of lead times and full traceability from the start of manufacturing through to the finished product.
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3.8/5

Promotion Services SA

Trust & reputation

ranQ Trust Score of Promotion Services SA: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Promotion Services SA scores 54.8 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.69.624%
  • 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.35.310%
  • 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.35.08%
Promotion Services SA scores 70.4 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.64.612%
  • 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%
Promotion Services 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%
Promotion Services SA 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

Promotion Services SA reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 4.7 out of 5 stars from 3 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 3 reviews across all connected sources

Sources
GGoogle4.73
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Rue de Jérusalem 9
2300 La Chaux-De-Fonds
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:30
Tue
08:00 - 12:00, 13:30 - 17:30
Wed
08:00 - 12:00, 13:30 - 17:30
Thu
08:00 - 12:00, 13:30 - 17:30
Fri
08:00 - 12:00, 13:30 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-399.483.241
Founded
2021 · 5 years
Last commercial register change
August 4, 2021
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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