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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryCrafts & TradesSheet metal workerFlawilSchönenberger + Müller AG
Schönenberger + Müller AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Schönenberger + Müller AG is a building-envelope contractor. Its services include metalwork, pitched and flat roofing, façade construction, lightning protection and building maintenance, as well as photovoltaic system installation.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Sheet metal worker
✓ Offered8
Sheet metal work
Sheet metal work for building envelopes made of zinc, copper and stainless steel; gutters, downpipes and complete metal roof and façade constructions.
Pitched roofing
Pitched roofs with thermal insulation and weatherproof execution; consulting, installation and protection against heat, cold, rain, snow and storm.
Flat roofing
Flat roofs with cold-roof, inverted-roof, plus-roof and warm-roof constructions; areas suitable for green roofing, protection of the building envelope and expert workmanship.
Façade construction
Façade construction with load-bearing structure, thermal insulation, substructure with rear ventilation and front-mounted façade cladding; protection against wind, weather and noise.
Natural slate
Natural slate work for roofs and façades; various covering types, a natural appearance and long-lasting execution with building-biological properties.
Lightning protection
Lightning protection systems for houses and building envelopes; professional installation, consulting and minimizing damage caused by lightning strikes.
Building maintenance
Building maintenance for pitched roofs, flat roofs, metal constructions and façades; maintenance and cleaning work, inspections and various repairs.
Photovoltaic system
Photovoltaic systems with roof-mounted systems, integrated mounting and freestanding installations; precise installation and consulting for the use of solar energy.
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3.9/5

Schönenberger + Müller AG

Trust & reputation

ranQ Trust Score of Schönenberger + Müller AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 54% · As of November 2026

Schönenberger + Müller AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Schönenberger + Müller AG scores 59.0 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.50.012%
  • 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%
Schönenberger + 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.
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%
Schönenberger + Müller AG scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Schönenberger + Müller AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Oberstrasse 67
9230 Flawil
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 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-149.038.085
Founded
2023 · 3 years
Last commercial register change
February 13, 2025
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • SGFlawil
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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