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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsStein SgZimmermann Messtechnik AG
Zimmermann Messtechnik AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Zimmermann Messtechnik AG is the development and manufacture of solutions for cleanroom measurement technology, particularly particle measurements, as well as the sale and optimization of clean air technology systems (RLT systems) through its subsidiary Zimmermann Reinlufttechnik AG.

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Products & services

Industry:Specialized Construction Installations
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4.1/5

Zimmermann Messtechnik AG

4
Cleanroom metrology
Measurement work on cleanroom technical systems, including particle measurements, pressure differential measurements, compressed-air qualification, hygiene measurements, airflow visualisation, recalibrations, and measurement documentation.
Qualification and re-qualification of cleanroom systems
Qualification and re-qualification of cleanroom technical systems (IQ, OQ, PQ) in production facilities, operating theatres, laminar flow workbenches, and safety workbenches.
Maintenance and upkeep of ventilation systems
Maintenance, upkeep and commissioning of ventilation systems in the environment of cleanroom technical systems.
Consulting on cleanroom matters
Consulting on cleanroom-related issues, measurements, qualification, and the requirements for systems and rooms.
Trust & reputation

ranQ Trust Score of Zimmermann Messtechnik 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.

Zimmermann Messtechnik 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%
Zimmermann Messtechnik AG scores 85.5 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.55.07%
Zimmermann Messtechnik 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%
Zimmermann Messtechnik AG scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Zimmermann Messtechnik 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

Erlen 547
9655 Stein Sg

At a glance

Legal form
Corporation
UID
CHE-105.310.201
Founded
1999 · 27 years
Last commercial register change
June 7, 2022
Employees
1 to 10
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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