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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionFreidorf TgA. Müller AG
A. Müller AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

A. Müller AG is a construction company carrying out building construction and sports‑field projects, providing services such as renovations, new builds, concrete and façade repair, core drilling, and hazardous‑material screening and remediation. The company also installs seamless resin floor and wall systems, parking‑deck coatings and artificial turf for industrial, recreational and sports facilities.

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Products & services

Industry:Building Construction
✓ Offered
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4.3/5

A. Müller AG

9
New construction
New construction of residential and commercial buildings in structural works, from planning through execution.
Renovation and conversion
Conversion and renovation work in structural works, carried out professionally and on schedule.
Customer masonry and finishing work
Customer masonry work including masonry, plastering, sealing, injection, excavation, drainage, plastering, tiling and landscaping.
Facade and concrete repair
Repair of building fabric and envelope to protect against environmental impacts, salt exposure and water ingress.
Hazardous material remediation
Hazardous material remediation with professional execution, ongoing supervision, controlled clearance and documented disposal.
Hazardous material inspection
Building inspection with material sampling, risk assessment, recommended measures and a remediation concept including disposal routes.
Core drilling and anchoring
Impact-free drilling in concrete, masonry and natural stone, plus starter reinforcement and post-installed anchor rods for structural strengthening.
Floor covering removal
Efficient removal of parquet, tile and plastic floor coverings with a stripper and complementary floor grinder.
Plastic and resin floor coverings
Plastic and resin floor coverings for sports halls, playgrounds, sports fields, artificial turf, and residential, bathroom, balcony, garage and industrial areas.
Trust & reputation

ranQ Trust Score of A. Müller AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 100% · As of October 2026

A. Müller AG scores 82.6 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.78.524%
  • 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.78.610%
  • 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.100.08%
A. Müller AG scores 90.9 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.70.07%
A. Müller AG 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%
A. Müller AG scores 21.0 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 35.28.64%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.13.34%
Qualifications+0.00

A. Müller AG 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 21 customer reviews. 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 21 reviews across all connected sources

Sources
GGoogle4.721
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

October 19, 2024Media
«Eine Pioniertat»: Bei der Thurgauer Baufirma A. Müller tritt der Patron kürzer
tagblatt.ch

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Location

Käsereistrasse 5a
9306 Freidorf Tg
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-102.072.867
Founded
1992 · 34 years
Last commercial register change
June 11, 2025
Employees
11 to 20
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.85.03%
    • Full methodology

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