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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesRoofingRheineckArthur Müggler & Co. AG
Arthur Müggler & Co. AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Arthur Müggler & Co. AG is a company that provides planning, installation and maintenance services for the building envelope. Its services include roofing (pitched and flat roofs), façade construction, building maintenance, photovoltaic systems, energy consulting and technical assessments.

AI-generated
Offering

Products & services

Industry:Roofing
✓ Offered6
Roofing
Pitched and flat roofs, roof refurbishments, repairs and new builds for building envelopes; carried out with proper planning, installation and long-term maintenance.
Facade construction
Facades for building envelopes, with build-up, design and energy-efficient execution for durable and functional exterior shells.
Building maintenance
Maintenance and upkeep of the building envelope, regular care and service from the cellar to the roof to preserve building fabric and value.
PV systems
Photovoltaic systems from planning to installation, including façade or in-roof solutions for generating solar power.
Energy consulting
Energy consulting for building envelopes, with analysis of savings potential, funding options and site-specific solutions to improve energy efficiency.
Expert reports
Expert reports for building envelopes, including condition analysis, assessment of potential and risks, and an independent evaluation of the need for renovation.
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4.1/5

Arthur Müggler & Co. AG

Trust & reputation

ranQ Trust Score of Arthur Müggler & Co. AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 100% · As of October 2026

Arthur Müggler & Co. AG scores 83.2 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.85.924%
  • 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.80.810%
  • 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.78.08%
Arthur Müggler & Co. AG scores 61.3 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.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.82.07%
Arthur Müggler & Co. AG scores 86.7 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).86.722%
Arthur Müggler & Co. AG scores 40.0 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 35.60.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.20.04%
Qualifications+0.00

Arthur Müggler & Co. AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.9 out of 5 stars from 23 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.9
of 5

Aggregated from 23 reviews across all connected sources

Sources
GGoogle4.923
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

May 13, 2026Media
Vom Käselaib zur Sonnenenergie
rheintaler.ch

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Location

Dietrichsguetstrasse 14
9424 Rheineck
Opening hours
Mon
07:30 - 11:30, 13:00 - 17:00
Tue
07:30 - 11:30, 13:00 - 17:00
Wed
07:30 - 11:30, 13:00 - 17:00
Thu
07:30 - 11:30, 13:00 - 17:00
Fri
07:30 - 11:30, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-248.833.927
Founded
2024 · 2 years
Last commercial register change
August 26, 2024
Employees
21 to 50
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.
76.0
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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