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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryWatch IndustryLe SentierSTS 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 galvanic surface treatments and complementary finishing processes for the watchmaking sector and other industrial markets such as medical, automotive and connector industries. Services include technical and decorative coatings, varnishing, thermal treatments, polishing and surface decoration, supported by an in-house laboratory and formal quality/environmental certifications.

AI-generated
Offering

Products & services

Industry:Watch Industry
✓ Offered6
Galvanoplasty
Bulk or rack plating, via chemical or electrolytic process, application of metals to components to protect, enhance and improve certain technical properties.
Mechanical treatments
Polishing, sandblasting and watch decoration, with bulk polishing, colimaçonning, soleillage, ringing, perlage and Geneva stripes.
Varnishing
Varnish application with a micro-doser for two-tone or final treatment, deposition on engravings or on the entire part by electrophoresis.
Heat treatments
Quenching and tempering to improve the hardness, ductility and yield strength of metal parts.
Quality and continuous improvement
Process control and management, control equipment, ERP, corrective actions on the baths, continuous training of managers and operators.
Laboratory and R&D
Analyses in galvanoplasty, development and testing of new processes, pilot line, MEB, ICP, AAS, fluo X techniques and climate tests.
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4.1/5

STS Saulcy Traitement de Surface SA

Trust & reputation

ranQ Trust Score of STS Saulcy Traitement de Surface SA: 4.1 out of 5.0

Trust Score4.1/ 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 91.5 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.97.712%
  • 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.
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).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 4.1 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

May 13, 2018Media
L’entreprise romande STS Develier se diversifie dans l’horlogerie
agefi.com
February 7, 2018Media
Acrotec s'installe à Genève, par le biais de sa filiale STS
agefi.com

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Location

Rue Georges-Henri-Piguet 19
1347 Le Sentier
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
Corporation
UID
CHE-404.983.793
Founded
2012 · 14 years
Last commercial register change
September 18, 2026
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.100.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.100.03%
    • Full methodology

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