Complete Mechanical Subcontracting in Neuchâtel

Louis Wiedmann SA is your trusted mechanical subcontractor in Neuchâtel since 1970. More than just a machining workshop, we offer a complete service: from material sourcing to finished, treated and delivered parts. A single point of contact for your entire mechanical production chain.

Mechanical subcontracting workshop Louis Wiedmann SA in Neuchâtel

Our Subcontracting Services

Material Sourcing

We manage raw material procurement: common metals (aluminium, steel, stainless steel), special and exotic alloys (titanium, Inconel, Hastelloy, beryllium copper) and high-performance plastics (PEEK, POM-C, PTFE).

Precision CNC Machining

3 and 4-axis milling (Fehlmann Picomax 56/56L, Fanuc Robodrill D21L), CNC turning (Schaublin CCN 180), surface grinding (Okamoto ACC520). Tolerances +/- 0.005 mm, max dimensions 620 x 320 x 250 mm.

Surface Treatments

Through our network of qualified partners: anodising, electroless nickel, hard chrome, stainless steel passivation, shot peening, polishing, epoxy coating. Each treatment matched to the part's final application.

Heat Treatments

Hardening, tempering, case-hardening, nitriding — performed by our specialist partners to guarantee the mechanical properties required by your specifications.

Quality Control & Delivery

Systematic dimensional inspection, measurement reports on request. Delivery throughout Switzerland, France and Germany.

Industries Served

Watchmaking — movement components, cases, dials, watchmaking tooling
Aerospace & Space — structural parts, fasteners, ESA and Ariane launcher components
Micro-electronics — heatsinks, sensor housings, connectors
Pharmaceutical & Medical — surgical instruments, production tooling, 316L stainless parts
Automation & Special Machines — custom mechanical components, fixtures, jigs
Scientific Research — experimental parts, measurement instruments, prototypes

Why Choose Us

Single point of contact — no need to manage multiple suppliers
55 years of experience — founded 1970, Swiss family company
Modern machine park — regular investment (latest machine: Fanuc 2025)
Flexibility — from single prototype to small and medium batches
Exotic alloys — proven expertise on difficult-to-machine materials
Central location — in the heart of Neuchâtel, fast delivery across Switzerland

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