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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,837 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureInterior ConstructionRiffenmattBerger Holzbau GmbH
Berger Holzbau GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Berger Holzbau GmbH is the provision of services in the field of timber construction, particularly: planning and construction management of new and renovation projects, timber construction work, carpentry work, roofing work, interior finishing, including the manufacture of doors, gates, windows, floors and stairs, as well as kitchen and bathroom renovations. The company thus offers a comprehensive range of services in the field of timber construction and carpentry.

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Offering

Products & services

Industry:Interior Construction
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4.0/5

Berger Holzbau GmbH

Timber Construction & Carpentry
✓ Offered8
New builds
Single-family homes, multi-family houses, agricultural buildings, commercial buildings, shelters and timber-built roof structures; from planning to execution.
Conversions, extensions and storey additions
Conversions, extensions, storey additions, renovation of roof attics as well as installation of dormers and roof windows; including consultation, planning, building permit application and coordination of all work.
Renovations
Renovation and refurbishment of existing buildings, farmhouses and barns with careful handling of building fabric, materials and historic character.
Timber façades
Timber façades and shingle façades with insulating, protective and long-lasting properties; also replacement of damaged façade components and various surface treatments.
Interior fit-out
Custom interior fit-out with flooring, wall and ceiling linings, made-to-measure built-ins and room designs in rustic, traditional or modern style.
Doors, gates and windows
Planning, manufacturing, delivery and installation of entrance doors, interior doors, gates and windows; also made-to-measure items, trade doors and professional window installation.
Wood floors and stairs
Custom wood floors, parquet and wooden staircases; planning, construction and installation of various stair types such as stringer stairs, spindle stairs, spiral stairs and space-saving stairs.
Kitchen and bathroom fit-out
Planning and installation of kitchens and bathrooms in cooperation with kitchen furniture and sanitary professionals; from kitchen installation to the custom dream bathroom.
Trust & reputation

ranQ Trust Score of Berger Holzbau GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Berger Holzbau GmbH scores 59.7 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.73.124%
  • 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.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.50.08%
Berger Holzbau GmbH scores 86.7 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%
Berger Holzbau GmbH scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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).83.322%
Berger Holzbau GmbH scores 42.9 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 35.42.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Berger Holzbau GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 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
5
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Sahlen 56
3156 Riffenmatt
Opening hours
Mon
07:30 - 18:00
Tue
07:30 - 18:00
Wed
07:30 - 18:00
Thu
07:30 - 18:00
Fri
07:30 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-114.138.473
Founded
2008 · 18 years
Last commercial register change
January 12, 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.
88.0
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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