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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryElectrical IndustryWangen SzDonner + Pfister AG
Donner + Pfister AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Donner + Pfister AG is the development, manufacture and servicing of machines and solutions for the precision machining of gears, particularly in the area of grinding and measuring gears. This includes the production of grinding machines, portable measuring centers, testing machines and retrofit solutions for existing machines. The company also offers engineering services, service and support for its products.

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Offering

Products & services

Industry:Electrical IndustryMechanical Engineering Industry
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4.1/5

Donner + Pfister AG

✓ Offered5
Gear Grinding Machines
Retrofit and manufacture of MAAG 0° and 15/20° gear grinding machines, CNC control systems, modernization of existing machines, repairs and spare parts.
Measuring Centers
Optical and tactile gear measuring centers for gear tools and other applications, including retrofit, new systems, recorder and hob inspection machines.
Portable Measuring Centers
Portable precision gear measuring machines for large gears, including pitch, profile and profile-lead testers and gear re-engineering measurement units.
Engineering
Mechatronic engineering for mechanical 3D design, drive and automation technology, optical and tactile coordinate measuring technology, industrial software development, assembly and commissioning.
Service & Support
Repair and replacement service for MAAG gear measuring and grinding machines, component parts and indexing plates, plus grinding service for gear wheels with tooth flank modification.
Trust & reputation

ranQ Trust Score of Donner + Pfister AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Donner + Pfister AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
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CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Donner + Pfister AG scores 89.3 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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.70.07%
Donner + Pfister AG scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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).83.322%
Donner + Pfister AG scores 9.1 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.9.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Donner + Pfister AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, so the score is backed by part of the criteria. As of October 2026.

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

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Location

Kirchweg 5
8855 Wangen Sz

At a glance

Legal form
Corporation
UID
CHE-106.529.156
Founded
1989 · 37 years
Last commercial register change
October 8, 2020
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.
100.0
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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