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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesMetal ConstructionWinterthurO. Hadorn AG
O. Hadorn AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Hadorn Metallbau is the planning, manufacture and assembly of metal structures, in particular: entrances and facades, stairs, railings, balcony and steel construction, canopies and shelters, and metal garden features. The company also offers metalwork and specialties and has its own workshop for the manufacture and repair of metal structures.

AI-generated
Offering

Products & services

Industry:Metal Construction
✓ Offered8
Entrances and façades
Entrances and façades made from Forster and Jansen profile systems, insulated or uninsulated, including fire-protection doors and fire-protection façades.
Staircases
Custom staircases, straight, spiral or curved, with treads made of grating, sheet metal, wood, stone, glass or concrete, as well as handrails in various materials.
Balustrades
Balustrades to your specification in steel, CNS, glass, wood or wire rope, with surface finish left raw, hot-dip galvanized or painted; also handrails and balcony balustrades.
Balconies and steelwork
Balconies with a steel load-bearing structure, hot-dip galvanized or painted, with floors of concrete, Mineralit, CPC concrete slabs, solid-core panels or wood; also steelwork to EN 1090 EXC2.
Canopies and shelters
Canopies, shelters, carports, bus waiting halls, bicycle shelters and vehicle shelters with coverings made of glass, sheet metal, solid-core panels or plastic.
Metalwork for the garden
Metalwork for the garden such as water basins, privacy screens, steel boundary elements, pergolas, espalier frames, site enclosures, gates and firewood racks.
Custom metalwork
Custom metalwork, including cladding, sliding glass partitions, shop windows, room dividers, glazing, fire-sealing closures, intermediate floors and stair runs.
Specialities
Special metalwork in steel, stainless steel (chromium steel), aluminium and brass, including urn niches, community graves, parts of viewing towers, lights and special garden objects.
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4.2/5

O. Hadorn AG

Trust & reputation

ranQ Trust Score of O. Hadorn AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 100% · As of October 2026

O. Hadorn AG scores 74.7 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.85.424%
  • 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.68.910%
  • 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.50.08%
O. Hadorn AG scores 92.3 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.82.07%
O. Hadorn AG scores 86.7 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).86.722%
O. Hadorn AG scores 22.2 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 35.34.34%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

O. Hadorn AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 14 customer reviews. 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 14 reviews across all connected sources

Sources
GGoogle514
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

March 30, 2022Media
Gewerbepreis in Winterthur – Die Nominierten für den KMU Max stellen sich vor
tagesanzeiger.ch

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Location

Im Hölderli 20
8405 Winterthur
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-101.371.988
Founded
1975 · 51 years
Last commercial register change
June 25, 2024
Employees
21 to 50
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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