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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryIndustryWatch IndustryLa Chaux-De-FondsSTS Saulcy Traitement de Surface SA
STS Saulcy Traitement de Surface SA Logo
Verified· 4 sourcesTrust Score
Summary

About the company

STS Saulcy Traitement de Surface SA provides electroplating and surface treatment services, supplying technical and decorative metal coatings for the watchmaking sector. Services include varnishing, heat treatments, polishing, decorative finishing and in-house laboratory R&D; its electroplating and precision anodizing processes are also applied to other industrial sectors such as connectivity and medical devices.

AI-generated
Offering

Products & services

Industry:Watch Industry
✓ Offered5
Galvanoplastic plating
Galvanoplastic plating in bulk or in a rack, by chemical or electrolytic process, with technical or decorative coatings of common metals, precious metals and alloys.
Mechanical surface treatments
Polishing, sandblasting and decoration, including barrel polishing and watch decorations such as colimaçon work, soleil finishing, cerclage, perlage and Geneva stripes.
Lacquering
Application of lacquer using a micro-doser for a two-colour or definitive finish, on engravings or over the entire part by electrophoresis.
Heat treatments
Heat treatments in quenching and tempering furnaces to improve hardness, ductility and yield strength of metal parts.
Quality control and analysis laboratory
Process control, laboratory analyses and R&D with measurement equipment, pilot line and development of new processes.
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3.9/5

STS Saulcy Traitement de Surface SA

Trust & reputation

ranQ Trust Score of STS Saulcy Traitement de Surface SA: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 100% · As of October 2026

STS Saulcy Traitement de Surface SA scores 65.0 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.73.124%
  • 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.78.08%
STS Saulcy Traitement de Surface SA scores 69.0 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.70.07%
STS Saulcy Traitement de Surface SA scores 86.7 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).86.722%
STS Saulcy Traitement de Surface SA scores 41.5 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 35.82.94%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

STS Saulcy Traitement de Surface SA reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 3 customer reviews. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

February 7, 2018Media
Acrotec s'installe à Genève, par le biais de sa filiale STS
agefi.com

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Location

Rue du Nord 176
2300 La Chaux-De-Fonds
Opening hours
Mon
07:00 - 12:00, 13:30 - 16:30
Tue
07:00 - 12:00, 13:30 - 16:30
Wed
07:00 - 12:00, 13:30 - 16:30
Thu
07:00 - 12:00, 13:30 - 16:30
Fri
07:00 - 12:00, 13:30 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-152.807.080
Founded
2021 · 5 years
Last commercial register change
July 14, 2021
Employees
11 to 20
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.76.06%
  • 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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