Galvanisation: Renowned quality


Since its establishment in 2006, STS has grown to become the leading surface treatment provider to the high-end watchmaking industry in Switzerland. STS combines the highest technical expertise with ethical and RJC certified values. The company is located in 4 sites in Switzerland: Le Sentier, La Chaux-de-Fonds,  Develier and Meyrin.


STS’s areas of expertise range from electroplating, varnish and decoration to vibratory finishing (thermal treatment, polishing, sandblasting).
In the field of electroplating, STS offers a complete range of technical and decorative coatings.

Several kinds of varnish can be applied and STS offers advice depending on your desired application.

The company also offers the decoration of horlogery small pieces: snailing, beading, sunburst and strapping.

STS is equipped with several furnaces for the thermal treatment of parts as well as the machine inventory giving us the ability to sandblast and polish these parts.

STS has already realised numerous projects in collaboration with the University of Franche Comté in France and EPFL in Switzerland. It is the only company in its industry to collaborate with universities and have an R&D department.


STS supplies the following markets:

  • Watch : finishing services for watchmaking components
  • Precision High-Tech : treated parts for connectic (automotive, aeronautic, electronic, etc.)

Industries served

Products & Services

The Management

Frederic Saulcy (to the left)


Elisabeth Saulcy (to the right)




Production sites


Core competencies


Rue Georges-Henri Piguet 19, P.O. Box 310
1347 Le Sentier, Switzerland
+41 (0)21 845 61 51