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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryCrafts & TradesMetalworkWangen SzBruhin & Diethelm AG
Bruhin & Diethelm AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Bruhin & Diethelm AG is a contract manufacturer specialising in the machining of machine parts to customer drawings. Its services include machining large and long components, welded assemblies, heat and surface treatment, assembly, repairs and contract measurement.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Metalwork
✓ Offered9
Large parts and long parts machining
Mechanical machining of large parts and long parts up to 10'000 mm, with CNC milling, drilling, turning, carousel turning and long turning.
Welding constructions and welding
Welded constructions and welding work, including welding of rail vehicles and vehicle parts according to EN 15085-2 CL1.
Machinery, plant and prototype construction
Machinery construction, plant construction and prototype construction as part of the manufacturing offering for mechanical components and custom orders.
Contract measurements for large parts
Contract measurements for large parts in an air-conditioned measurement room with a coordinate measuring machine, for components up to 1200 x 2400 x 1000 mm.
Surface treatment
Surface treatment of workpieces as part of order processing, together with mechanical machining, heat treatment and assembly.
Heat treatment
Heat treatment of workpieces as part of order processing, from material procurement to assembly.
Assembly
Assembly according to BOMs and drawings as the final production step for custom components and assemblies.
Repairs
Repairs for selected customers as an additional service alongside mechanical machining and manufacturing.
Vocational training for polymechanic EFZ
Apprenticeship positions and trial internships for polymechanic EFZ, including apprentice training, vocational trainers and a training workshop.
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4.4/5

Bruhin & Diethelm AG

Trust & reputation

ranQ Trust Score of Bruhin & Diethelm AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of November 2026

Bruhin & Diethelm AG scores 79.3 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.79.124%
  • 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.67.110%
  • 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.95.08%
Bruhin & Diethelm AG scores 94.3 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.100.012%
  • 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.90.07%
Bruhin & Diethelm AG 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%
Bruhin & Diethelm AG scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Bruhin & Diethelm AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.8 out of 5 stars from 13 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 13 reviews across all connected sources

Sources
GGoogle4.813
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Leuholz 23
8855 Wangen Sz
Opening hours
Mon
07:30 - 11:30, 13:30 - 17:00
Tue
07:30 - 11:30, 13:30 - 17:00
Wed
07:30 - 11:30, 13:30 - 17:00
Thu
07:30 - 11:30, 13:30 - 17:00
Fri
07:30 - 11:30, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.373.204
Founded
1988 · 38 years
Last commercial register change
February 9, 2022
Employees
51 to 100

Active in 1 of 26 cantons

  • SZSchwyz
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.
100.0
6%
  • 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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