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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesKonolfingenMüller Polybau AG
Müller Polybau AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Müller Polybau AG is the planning, execution and maintenance of building envelopes, particularly in the areas of: Roofing (roof renovation, new roof construction), Photovoltaics (solar systems on pitched roofs, facades and flat roofs), Facades (design and execution of facades), Sheet metal work (metal work for roofs and facades), Flat roofs and floor coverings, Lightning protection (protection of buildings from lightning strikes), Scaffolding (construction of scaffolding for renovation and new construction work), Building maintenance (maintenance and upkeep of buildings), and Building envelope cleaning (cleaning of facades and roofs). The company thus offers a comprehensive range of services for the building envelope and positions itself as a specialist for roof and wall.

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Products & services

Industry:Specialized Construction Activities
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Müller Polybau AG

✓ Offered9
Roofing
Thermal insulation, underlays and roofing coverings with tiles, fibre cement, natural slate or sheet metal; roof windows, screed floor insulation and snow-retention systems for renovations and new builds.
Photovoltaics
Photovoltaic systems for the entire building envelope, as integrated or surface-mounted installations on pitched roofs, on flat roofs and as a solar façade; including consulting for projects involving the building envelope.
Facades
Facade cladding with fibre-cement boards, composite panels, sheet metal or wood; design according to the selected system, material, size, installation method, surface and colour.
Sheet metal work
Sheet metal work on conversions and new builds, including gutters, downspouts, coverings, drainage channels, chimney linings, chimney caps, cladding, window sills and drip edges.
Flat roofs and ground coverings
Thermally insulated flat roofs, terrace and balcony waterproofing, below-grade waterproofing, as well as protective and load-bearing layers and connections made with liquid plastic.
Lightning protection
Installation of external lightning protection systems for buildings; as a GVB-recognised specialist company for lightning protection systems, the company advises and installs the corresponding systems.
Scaffolding
Erection of scaffolding in accordance with current regulations, in particular facade scaffolds, stair access platforms and roof edge guardrails for safe work on construction sites.
Building maintenance
Roof inspections including leak-proofness and damage checks, cleaning of the roof and roof drains, and necessary repairs; also available as a subscription.
Building envelope cleaning
Cleaning of roofs and facades to remove algae, moss and lichens; suitable for tiles, fibre cement, concrete, exposed masonry and porous facade cladding.
Trust & reputation

ranQ Trust Score of Müller Polybau AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Müller Polybau AG scores 52.3 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.53.524%
  • 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.35.310%
  • 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.70.08%
Müller Polybau AG scores 89.3 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.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%
Müller Polybau 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 Polybau 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 Polybau AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 3.3 out of 5 stars from 3 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
3.3
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle3.33
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Freimettigenstrasse 17
3510 Konolfingen

At a glance

Legal form
Corporation
UID
CHE-109.816.505
Founded
2003 · 23 years
Last commercial register change
June 30, 2026
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.70.03%
    • Full methodology

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