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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryCrafts & TradesMetalworkBurgdorfDiethelm AG Metallbau
Diethelm AG Metallbau Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Diethelm AG Metallbau is metal construction, particularly the manufacture and assembly of metal structures such as skylight constructions, windows and doors, canopies, fire protection elements, special glazing, custom-made products and security elements. This also includes locksmith work, conversions, renovations, repairs and maintenance of metal structures.

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Service area

Offering

Products & services

Industry:Metalwork
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Diethelm AG Metallbau

✓ Offered10
Metal construction work
Processing of aluminium, steel, stainless steel and non-ferrous metals; planning, fabrication and installation of metal construction solutions from a single source.
Ironwork
Ironwork for balconies, canopies, balustrades and staircases; custom metal structures for new builds, conversions and renovations.
Fire protection elements
Manufacturing of fire protection elements with fire protection certification; components made of steel and aluminium in cooperation with suppliers such as Jansen, Forster, Schüco and Wicona.
Entrances & windbreak vestibules
Custom-made entrance systems and windbreak vestibules in steel and aluminium; functional, durable solutions for residential and commercial properties.
Facades
Facade and building envelope solutions with consulting for beam-back facades, panel facades, curtain wall facades and structural glass facades made of aluminium, steel or stainless steel.
Balconies
Balcony annexes, balcony extensions, balcony balustrades, partition walls as well as custom balcony glazing and wind and privacy screen walls.
Canopies and seating area covers
Custom-made canopies and seating area covers for the entrance area or terrace, individually planned and implemented.
Balustrades
Balustrades in various designs, from picket balustrades to full-glass balustrades, using materials such as perforated sheet, Trespa, Eternit or wood.
Staircases
Staircase solutions in metal construction for indoor and outdoor areas, manufactured and installed as customer-specific ironwork.
Floor and ceiling lighting
Floor and ceiling lighting as a bespoke metal construction special solution in the field of metalworking/locksmith work.
Trust & reputation

ranQ Trust Score of Diethelm AG Metallbau: 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.

Diethelm AG Metallbau 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%
Diethelm AG Metallbau 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%
Diethelm AG Metallbau scores 86.7 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).86.722%
Diethelm AG Metallbau scores 2.6 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 35.2.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Diethelm AG Metallbau 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

Buchmattstrasse 52
3401 Burgdorf

At a glance

Legal form
Corporation
UID
CHE-114.854.090
Founded
2009 · 17 years
Last commercial register change
August 20, 2024
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • BEBurgdorf
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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