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

About the company

Bilgerig AG is a plastering company offering interior and exterior plastering, insulation, drywall construction, acoustic ceilings and fire protection solutions. The company works on renovation, refurbishment and new-build projects and also provides decorative surface finishes and stucco work.

AI-generated
Offering

Products & services

Industry:Interior Construction
✓ Offered6
Plastering work
Plastering work for interior and exterior areas on walls, ceilings and facades; base and levelling renders, smooth renders, abrasion textures and trowel-applied finishes.
Insulation
Facade insulation and rendered external thermal insulation; advice on building renovations and use of grants.
Drywall construction
Drywall construction for interior design, partition walls, ceiling soffits, windows, reveals, built-in niches, and attic and cellar rooms with insulation.
Acoustic ceilings
Acoustic ceilings and ceiling systems to improve sound conditions and speech intelligibility; seamless ceilings, various surfaces and cooling elements.
Fire protection ceilings and fire protection walls
Fire protection ceilings and fire protection walls for safety and fire resistance; advice on materials, constructions and statutory regulations.
Stucco and decorative elements
Stucco work and decorative wall elements; ceiling rosettes, stucco mouldings, curtain rails, Stucco Veniziano and decorative renders.
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3.9/5

Bilgerig AG

Trust & reputation

ranQ Trust Score of Bilgerig AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Bilgerig AG scores 57.4 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.63.124%
  • 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.49.510%
  • 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.50.08%
Bilgerig AG scores 82.3 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.92.512%
  • 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%
Bilgerig 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%
Bilgerig 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

Bilgerig AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 4.2 out of 5 stars from 6 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
4.2
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle4.26
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Landstrasse 4
5436 Würenlos
Opening hours
Mon
07:30 - 17:15
Tue
07:30 - 17:15
Wed
07:30 - 17:15
Thu
07:30 - 17:15
Fri
07:30 - 17:15
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-238.061.442
Founded
2014 · 12 years
Last commercial register change
September 17, 2026
Employees
1 to 10
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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