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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryCrafts & TradesMetalworkBubendorfMühlemann Bau GmbH
Mühlemann Bau GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Mühlemann Bau GmbH plans, fabricates and installs custom metal and glass structures. Its services include railings, stairs, balconies, canopies, glazing, industrial metalwork and technical custom fabrications, with structures planned in 3D.

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Service area

Offering

Products & services

Industry:Metalwork
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4.0/5

Mühlemann Bau GmbH

✓ Offered2
Metal construction
Individually designed, fabricated and installed metal solutions for residential, commercial and industrial projects; including robust structures, precise workmanship and full project support.
Railings & handrails
Metal railings and handrails, planned and fabricated individually, with professional installation for functional and aesthetic solutions.
Trust & reputation

ranQ Trust Score of Mühlemann Bau GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

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Data basis 96% · As of November 2026

Mühlemann Bau GmbH scores 80.1 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.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.78.08%
Mühlemann Bau GmbH scores 57.1 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.39.612%
  • 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%
Mühlemann Bau GmbH 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%
Mühlemann Bau GmbH scores 2.3 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 35.2.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Mühlemann Bau GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 14 customer reviews. The data basis is 96%, 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.

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.

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Location

Wattwerkstrasse 2
4416 Bubendorf
Opening hours
Mon
06:30 - 18:30
Tue
06:30 - 18:30
Wed
06:30 - 18:30
Thu
06:30 - 18:30
Fri
06:30 - 18:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-482.335.928
Founded
2024 · 2 years
Last commercial register change
December 24, 2024
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • BLBubendorf
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.
88.0
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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