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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesWängimüller & partner ag
müller & partner ag Logo
Verified· 3 sourcesTrust Score
Summary

About the company

müller & partner ag is a trades company for sanitary, heating and tiling work that offers renovations, bathroom remodels, new-build projects, and service and repair work. The firm handles project planning and coordination of all trades, provides virtual‑reality visualizations and a single point of contact throughout the project.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered4
Bathroom renovation & remodeling
Tailor-made bathroom renovations and remodeling, including optimized room layout, material selection, 3D planning and virtual reality visualisation, as well as clean implementation from a single source.
Service & repairs
Service and repair work for plumbing and heating, such as blocked drains, leaking taps, boiler descaling, heating faults and maintenance work.
Heating systems
Planning, replacement and installation of heating systems, from heat pumps and gas heating to district heating and combinations with solar technology, including support with grants.
Tiling work
Planning and professional installation of tile surfaces in kitchen, bathroom, living areas and on the terrace, including material selection, removal of old coverings and preparation of the substrate.
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4.5/5

müller & partner ag

Trust & reputation

ranQ Trust Score of müller & partner ag: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of October 2026

müller & partner ag scores 91.2 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.88.924%
  • 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.93.810%
  • 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.95.08%
müller & partner ag 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%
müller & partner ag scores 85.0 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).85.022%
müller & partner ag scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

müller & partner ag reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.9 out of 5 stars from 39 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
4.9
of 5

Aggregated from 39 reviews across all connected sources

Sources
GGoogle4.939
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Murgstrasse 15
9545 Wängi
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 11:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.634.267
Founded
1990 · 36 years
Last commercial register change
May 20, 2021
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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