ranQ
ranQ
ranQ
DirectoryIndustriesPlacesKnowledgeComparisonsSoon
Sign inCheck visibility
ranQHSG Startup LabelRecognised by the
HSG Startup Label

The leading AI company directory, built to boost AI visibility.

DEENFRIT
Product
  • Pricing
  • Directory
  • Industries
  • Trust Score
Company
  • About
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryPlastics IndustryLangenthalBernhard Polybau AG
Bernhard Polybau AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Bernhard Polybau AG provides planning, installation and maintenance services for building envelopes, including flat, pitched and metal roofs, façades, solar systems and sheet‑metal work.

AI-generated
Offering

Products & services

Industry:Plastics Industry
✓ Offered12
Solar system
Solar systems and photovoltaics on flat, pitched and façade roofs; planning, installation, commissioning, registrations, subsidy applications and solar façades.
Flat roof
Flat roof construction and flat roof refurbishment; thermal insulation, roof greening, protection against moisture and combination with solar systems and maintenance.
Pitched roof
Pitched roof construction and pitched roof refurbishment; roof coverings, thermal insulation, underlay solutions, roof windows and combination with photovoltaics.
Metal façade
Metal façades for new builds and refurbishment; planning and installation with aluminium, stainless steel or copper, in custom shapes and colours.
Sheet metal works
Sheet metal works for roofs and façades; sheet cladding, gutter systems, downpipes, connections, edge trims and metal work on the building envelope.
Planning & consulting
Planning and consulting for the building envelope; building permit application, material selection, energy refurbishment measures, funding and CAD planning with ArchiCAD.
Maintenance
Maintenance and servicing of roofs, façades and photovoltaic systems; inspections, cleaning, repairs, drone inspections and service subscription.
Energy storage
Energy storage and battery storage for photovoltaic systems; increase self-consumption, store electricity, use backup power and retrofit storage.
Sandwich façade
Sandwich façades with an insulation core for façades and roofs; planning and installation for new builds and refurbishment, with thermal insulation and weather protection.
Fibre-cement façade
Fibre-cement façades for new builds and refurbishment; façade cladding with durable, weather-resistant material, including asbestos remediation for existing buildings.
Metal roof
Metal roofs for industrial and residential buildings; planning, installation and refurbishment with long-lasting, low-maintenance metal roofing systems.
Lightning protection
Lightning protection systems for new and existing buildings; planning, installation and implementation of systems according to standards, including funding contributions.
LeadhubOutbound Leads by COHAGA

Looking for direct email addresses and phone numbers?

Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

Discover Leadhub
4.5/5

Bernhard Polybau AG

Trust & reputation

ranQ Trust Score of Bernhard Polybau AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 100% · As of October 2026

Bernhard Polybau AG scores 87.2 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.86.424%
  • 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.82.910%
  • 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.95.08%
Bernhard Polybau AG scores 93.9 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.82.07%
Bernhard Polybau 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%
Bernhard Polybau AG scores 47.2 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 35.94.34%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

Bernhard Polybau AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.9 out of 5 stars from 25 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 25 reviews across all connected sources

Sources
GGoogle4.925
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

April 11, 2025Media
Kilian Friederich GmbH spannt mit Bernhard Polybau AG zusammen
aarauer-nachrichten.ch

Knowledge

No knowledge articles yet

Once Bernhard Polybau AG has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

Bernhard Polybau AG in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank Bernhard Polybau AG by reviews, experience and specialisations.

Is this your company?

Claim the company profile of Bernhard Polybau AG to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Gaswerkstrasse 63
4900 Langenthal

At a glance

Legal form
Corporation
UID
CHE-105.876.572
Founded
1980 · 46 years
Last commercial register change
February 20, 2025
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.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.85.03%
    • Full methodology

    Similar companies

    CA
    Contec AG
    Uetendorf
    RC
    Rotaver Composites AG
    Ramsei
    CA
    Colasit AG
    Spiez
    GC
    Geiger Cytec Systems AG
    Wangen An Der Aare
    TS
    TechnoFormage SA
    Biel/Bienne
    KV
    Kappeler Verpackungs-Systeme AG
    Urtenen-Schönbühl
    PA
    proframe ag
    Liebefeld
    FM
    Folientechnik Maurer
    Lauperswil