Testing and inspection body in
La Chaux-De-Fonds

METROLOGY.CH SA

Since 2015 · 1–10 empl.·4.8(4)

METROLOGY.CH SA is an accredited metrology laboratory providing calibration and testing. Its services include the verification, maintenance, adjustment and repair of measuring instruments, 3D measurement, consulting and training, as well as the sale and servicing of measurement equipment.

Métallo-Tests S.A.

Since 1987 · 1–10 empl.·5.0(3)

Métallo-Tests S.A. is a testing laboratory providing chemical analyses, material characterisation, and mechanical and climatic ageing tests. Accredited to ISO/IEC 17025, it also performs material approvals and quality controls for the watch and jewellery industries and other sectors.

bureau de contrôle des ouvrages en métaux précieux

Since 2025 · 1–10 empl.

bureau de contrôle des ouvrages en métaux précieux is responsible for the official control and hallmarking of precious-metal articles. Precious-metal watch cases are subject to mandatory control and hallmarking; these are optional for other precious-metal and multi-metal articles. The office also analyses gold, silver, platinum and palladium.

Obturis Sàrl

Since 2026 · 1–10 empl.

Obturis Sàrl carries out passive fire-protection and fire-stopping work. Its services include installing fire- and smoke-resistant walls and ceilings, sealing cable, pipe and ventilation penetrations, providing compliance certification, and planning fire-protection concepts and escape routes.

Conformelec Sàrl

1–10 empl.