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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryIndustryMechanical Engineering IndustryWinterthurI. Zimmermann Maschinenbau AG
I. Zimmermann Maschinenbau AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of I. Zimmermann Maschinenbau AG is the manufacture of turned and milled parts, including welding, as well as the provision of engineering services and CNC manufacturing in the field of general mechanical engineering.

AI-generated
Offering

Products & services

Industry:Mechanical Engineering Industry
✓ Offered7
CNC machining
CNC machining of turning and milling parts for general mechanical engineering, with CAD/CAM integration, a modern machine park and precise, efficient production.
Engineering
Development with manufacturing-optimised design from the first sketch, early coordination with production, support for prototypes and series production, including during order peaks.
Welding
Welding of components, in particular for rail vehicles, using MSG/MIG-MAG and TIG (WIG) processes for steel, aluminium and stainless steel.
Milling
Milling 3-, 4- and 5-axis parts on modern milling centres, including complex contours, robot assistance and precise production.
Turning
Turning of single parts, large components and series parts on CNC lathes with driven tools, for bar feeder and chuck machining up to the specified diameters.
Quality assurance
Quality inspection with modern measuring instruments, combined measuring station for roughness and contour, 3D measuring machine with swivel head, as well as ISO 9001 and welding certifications.
Clamping system (sigrip-K5)
Modular clamping system for 5-axis CNC milling machines with variable clamping travel, small interference contour and low acquisition costs.
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4.1/5

I. Zimmermann Maschinenbau AG

Trust & reputation

ranQ Trust Score of I. Zimmermann Maschinenbau AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

I. Zimmermann Maschinenbau AG scores 68.3 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.73.124%
  • 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.35.310%
  • 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%
I. Zimmermann Maschinenbau AG scores 89.3 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.70.07%
I. Zimmermann Maschinenbau AG scores 85.0 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).85.022%
I. Zimmermann Maschinenbau AG scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

I. Zimmermann Maschinenbau AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 3 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Im Hölderli 26
8405 Winterthur
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.938.600
Founded
1978 · 48 years
Last commercial register change
November 13, 2024
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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