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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureInterior ConstructionBennauBiberbau AG
Biberbau AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Biberbau AG is a construction and timber company that manufactures and installs windows, doors and glazing, and provides façade and wood-construction services. The firm operates its own window production (certified with the FFF quality mark) and also supplies balcony glazing, shutters, balcony railings, interior finishing and comprehensive building-envelope services.

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Products & services

Industry:Interior Construction
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4.6/5

Biberbau AG

7
Window construction
Windows and doors, renovation windows and new-build windows, PVC windows, PVC-aluminium windows, roof windows, as well as installation and production in Biberbrugg.
Front doors
Entry doors, door panels, models and configurator, with advice on design, security and custom specifications.
Timber construction
Timber structures, timber system construction, timber-concrete composite systems, roof windows, façade adaptations and building envelopes made with timber element construction.
Glazing
Patio and balcony glazing, frameless glazing for outdoor areas, installation with matching systems.
Window shutters
Aluminium window shutters and aluminium louvers for renovations, available in different colours and shapes, low-maintenance and durable.
Balcony railings
Balcony railings in various materials, including glass railings and systems for privacy or an unobstructed view.
Interior fit-out
Interior fit-out made of wood, stair construction, terrace flooring, interior doors and insulation for living and interior spaces.
Trust & reputation

ranQ Trust Score of Biberbau AG: 4.6 out of 5.0

Trust Score4.6/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Biberbau AG scores 94.9 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.93.124%
  • 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.95.110%
  • 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%
Biberbau AG scores 81.5 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.70.212%
  • 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.90.07%
Biberbau 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%
Biberbau AG scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Biberbau AG reaches a ranQ Trust Score of 4.6 out of 5.0 — rated «Excellent». The rating draws, among other things, on 5.0 out of 5 stars from 41 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
5
of 5

Aggregated from 41 reviews across all connected sources

Sources
GGoogle541
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Industriestrasse 2
8836 Bennau
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-151.311.439
Founded
2020 · 6 years
Last commercial register change
July 31, 2026
Employees
51 to 100
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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