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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryIndustryBuilding materials manufacturerGeroldswildurlum AG
durlum AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of durlum GmbH is the planning, development, manufacture and distribution of metal ceilings, functional ceilings, lighting, lighting and daylight systems.

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Service area

Offering

Products & services

Industry:Building materials manufacturerElectronics manufacturer
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4.1/5

durlum AG

✓ Offered4
Metal Ceilings
Metal ceilings for modern architecture, including island ceilings, baffle ceilings, long-format panels and grid ceilings for interior fit-out projects.
Lighting Systems
Lighting systems for architecture and interiors, also available as integrated solutions with ceilings and designed to meet functional and aesthetic requirements.
Daylight Systems
Daylight systems for modern architecture, combining ceiling, light and spatial effects in project-based applications.
Ceiling and Lighting Systems
Integrated ceiling and lighting systems for architecture projects, where form, function and lighting effect are planned and implemented together.
Trust & reputation

ranQ Trust Score of durlum AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

durlum 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.
x
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%
durlum AG scores 85.5 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.55.07%
durlum 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%
durlum AG scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

durlum 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 November 2026.

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

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Location

Steinhaldenstrasse 28
8954 Geroldswil

At a glance

Legal form
Corporation
UID
CHE-102.948.494
Founded
1999 · 27 years
Last commercial register change
November 3, 2026
Employees
1 to 10

Active in 1 of 26 cantons

  • ZHZurich
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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