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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesMetal ConstructionWinterthurMetallbau Achim Müller, www.der-metallbauer.ch
Metallbau Achim Müller, www.der-metallbauer.ch Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Metallbau Müller is the planning, manufacturing and assembly of metal structures, including: Metal construction (design and manufacturing of metal parts and structures), Steel construction (planning and execution of steel structures), Gate construction (manufacturing and assembly of gates and gate systems), Glazing (installation of glass surfaces in metal frames), Fire-resistant doors (manufacturing and assembly of fire-resistant doors), Special solutions (individual metal construction solutions for specific requirements), and Repairs and maintenance of metal structures. The company also offers comprehensive services, including consulting, planning and assembly, and places emphasis on quality, reliability and customer service.

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Offering

Products & services

Industry:Metal Construction
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4.3/5

Metallbau Achim Müller, www.der-metallbauer.ch

✓ Offered7
Metal fabrication
Handrails, staircases, balcony extensions, doors, gates, entrance canopies and roof coverings; burglary protection, metal and glass façade cladding, welded structures, consultation, planning and installation.
Gate construction
Garage doors, hinged lift doors, sliding gates, folding gates, sectional doors, roller doors, fast-acting doors and courtyard sliding gates; gate drives as well as consultation, planning, fabrication, installation, maintenance and service contracts.
Glazing
Shopfront glazing, new and repaired glazing, insulated glazing units, safety glazing, winter garden glazing, industrial glazing and roof glazing.
Steel construction
Fabrication and installation of steel building structures for industry, commercial and private use; development, planning, construction and operation of steel structures.
Fire doors
Fire doors, fire gates, fire-resistant glazing and fire-retardant doors according to VKF standards; plus service and maintenance contracts.
Repairs
Maintenance, upkeep and repair of doors, windows, gates, automatic doors and gates, metal structures, handrails, parapets, roof coverings and glazing.
Custom solutions
Individual special metal fabrication solutions based on consultation and project experience; tailor-made solutions for exceptional requirements.
Trust & reputation

ranQ Trust Score of Metallbau Achim Müller, www.der-metallbauer.ch: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

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Data basis 96% · As of October 2026

Metallbau Achim Müller, www.der-metallbauer.ch scores 84.3 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.80.524%
  • 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.90.410%
  • 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.88.08%
Metallbau Achim Müller, www.der-metallbauer.ch scores 78.5 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%
Metallbau Achim Müller, www.der-metallbauer.ch scores 85.0 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).85.022%
Metallbau Achim Müller, www.der-metallbauer.ch scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Metallbau Achim Müller, www.der-metallbauer.ch reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 34 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
4.7
of 5

Aggregated from 34 reviews across all connected sources

Sources
GGoogle4.734
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Steigstrasse 4
8406 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 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-112.639.215
Founded
2005 · 21 years
Last commercial register change
October 31, 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.67.06%
  • 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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