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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesJoineryMumpfA.S.M. Müller
A.S.M. Müller Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of ASM Müller is the execution of carpentry and joinery work, including the manufacture and installation of windows, doors, glazing, insect screens, flooring, wooden ceilings, roofs, walls, repair work and furniture.

AI-generated
Offering

Products & services

Industry:Joinery
✓ Offered9
Windows / Doors
Renovations of older buildings and new builds with windows and doors made of wood, wood-metal, plastic, plastic-metal and aluminium; including adjustment, hardware, seals and re-sealing of glass units.
Furniture
Furniture made to customer requirements, in particular bed surrounds, corner benches, built-in wardrobes, cloakrooms, tables and meter fronts as custom-made items.
Floor coverings
Renovations of older buildings and new builds with floor coverings in cork, parquet, laminate, vinyl and terrace flooring; including installation in new buildings or extensions.
Roofs / Walls
Small roofs and wall elements for renovations and new builds, including entrances, garden sheds, privacy screens, seating areas, windbreaks, as well as room dividers, wall cladding and WC partition walls.
Wooden ceilings
Replacement and installation of ceiling coverings in old buildings, new builds and extensions; ceiling coverings made of panels and Täfer, including panel and Täfer ceilings.
Insect protection
Custom-made units in various RAL colours for hinged doors, swing doors, sliding systems, roller shutters, tension frames and window-well covers (light shaft covers).
Repair work
Special cases of all kinds, including repairs to furniture, wooden components and railings; documented on the page with before/after examples.
Broken glass
Repairs for broken glass and glass damage, in particular after break-ins, stress cracks and storm damage.
Creative work
Special customer requests and custom-made items, for example railings, restored pieces, bookends, cat houses, brackets and other individual custom orders.
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3.9/5

A.S.M. Müller

Trust & reputation

ranQ Trust Score of A.S.M. Müller: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

A.S.M. Müller scores 62.0 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.70.824%
  • 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.27.910%
  • 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%
A.S.M. Müller scores 78.5 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%
A.S.M. Müller 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%
A.S.M. Müller scores 4.6 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 35.4.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

A.S.M. Müller reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 2 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
5
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Hauptstrasse 32
4322 Mumpf

At a glance

Legal form
Sole proprietorship
UID
CHE-113.367.226
Founded
2007 · 19 years
Last commercial register change
January 17, 2007
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.
67.0
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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