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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryCrafts & TradesMetal ConstructionPfynMüller Stahlbau AG
Müller Stahlbau AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Müller Stahlbau AG is a steel construction company that designs, fabricates and assembles steel structures for industrial, commercial and residential projects. Services include steel and plant construction, metalwork/locksmith services, certified welding and project-related planning and on-site assembly.

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Products & services

Industry:Metal Construction
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Müller Stahlbau AG

6
Industrial construction
Structural engineering design and fabrication, industrial hall construction with foundation connections, integration of technical plant structures, on-site assembly for production, storage and machine halls.
Commercial construction
Custom steel structures for workshops, sales rooms, office buildings and small businesses; also extension projects, conversions and hall construction with short construction times.
Residential construction
Steel and locksmith works for single-family and multi-family houses, including steel staircases, railings, balcony systems, carports, shelters, privacy screens and fencing.
Steel & plant construction
Steel structures and plant frameworks for industrial and private projects; custom-made designs, assemblies and site-executed works during construction.
Certified welding work
Certified welding work to international standards, using MAG, MIG, WIG and E-Hand processes for load-bearing components, special designs and complex connections.
Metalwork & locksmithing
Made-to-measure products based on plans, small production series for construction projects, repair and maintenance work, as well as construction-phase assemblies in steel and metal.
Trust & reputation

ranQ Trust Score of Müller Stahlbau AG

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

Müller Stahlbau 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%
Müller Stahlbau AG scores 82.3 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.92.512%
  • 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%
Müller Stahlbau AG scores 83.3 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).83.322%
Müller Stahlbau AG scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

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

Knowledge

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Comparisons

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Location

Berghofstrasse 5b
8505 Pfyn

At a glance

Legal form
Corporation
UID
CHE-160.830.230
Founded
2014 · 12 years
Last commercial register change
June 9, 2017
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.70.03%
    • Full methodology

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