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

About the company

The core activity of Hermann Baumann AG, also known as 'Die Plattmacher', encompasses the execution of demolition, dismantling, disposal and clearance work, as well as the installation and maintenance of heating, plumbing, ventilation and air conditioning systems, including tank systems.

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Products & services

Industry:Specialized Construction Installations
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Hermann Baumann AG

✓ Offered4
Dismantling and disposal of heating and sanitary systems
Dismantling and disposal of heating boilers, heat pumps, water heaters, storage tanks and pipework; installation of new appliances and preparation for mounting.
Decommissioning and dismantling of fuel tank systems and tank rooms
Decommissioning, dismantling and proper disposal of oil tanks located underground and inside protective structures; removal of old installations and seals.
Clear-outs and disposals
Clear-outs of office buildings, private houses, apartments, cellars, garages and warehouses; dismantling of kitchens and wet rooms, removal of floor coverings and installations.
Dismantling and disposal of ventilation and air-conditioning systems
Dismantling and disposal of ventilation monoblocks, ventilation ducts, ventilation and air-conditioning units, and associated components.
Trust & reputation

ranQ Trust Score of Hermann Baumann 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.

Hermann Baumann 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%
Hermann Baumann AG scores 87.1 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%
Hermann Baumann 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%
Hermann Baumann AG scores 14.0 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 35.14.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Hermann Baumann 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

Dachslerenstrasse 15
8702 Zollikon

At a glance

Legal form
Corporation
UID
CHE-105.789.631
Founded
1988 · 38 years
Last commercial register change
August 20, 2025
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.85.03%
    • Full methodology

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