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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceImmenseeD.W.F. Holzbau AG
D.W.F. Holzbau AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of D.W.F. Holzbau AG is timber construction, particularly the planning and execution of timber construction work, including agricultural buildings, element construction, carports/pergolas, roof structures, conversions, roofing, public buildings and facades. The company also offers comprehensive solutions that include timber construction, roofing, scaffolding and sheet metal work.

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Offering

Products & services

Industry:Building MaintenanceTimber Construction & Carpentry
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D.W.F. Holzbau AG

Roofing
✓ Offered8
Agricultural buildings
Storage halls, livestock buildings, commercial halls and sheds in timber construction; planning, prefabrication in the workshop and installation on site for agricultural operators.
Timber element construction
Timber element construction for single-family and multi-family houses as well as upward extensions; prefabricated elements are assembled on site and made watertight quickly.
Roof structures
Roof structures for flat and pitched roofs, including concealed or visible load-bearing framework structures, as well as roof dormers in various shapes.
Building conversions
Building conversions with advice and planning, energy-technical retrofits, modern interior layout adaptations, additions to existing older components, and conversions of buildings worth preserving and protected monuments.
Roofing
Roofing with tiles, fibre-cement boards (Eternit) or sheet metal; installation and replacement of roof windows, as well as upgrading with solar shading systems for pitched roofs and other roofing systems.
Facades
Ventilated facades and facade claddings made of Eternit, compact-core panels, metal or wood; facades for massive structures as well, with improved heat protection and indoor comfort.
Public buildings
Timber construction projects for the public sector, in particular school buildings, gymnasiums, fire stations, retirement homes and bridges; execution of major construction projects.
Carports / Pergolas
Carports and pergolas as well as bicycle shelters; weather protection for vehicles and bicycles, open or covered seating areas, sometimes with glass roofs, side screens or winter gardens.
Trust & reputation

ranQ Trust Score of D.W.F. Holzbau AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

D.W.F. Holzbau AG scores 65.9 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.75.024%
  • 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.40.910%
  • 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.70.08%
D.W.F. Holzbau 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%
D.W.F. Holzbau 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%
D.W.F. Holzbau AG scores 34.3 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 35.34.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

D.W.F. Holzbau AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 4 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 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Rütlimattweg 1
6405 Immensee

At a glance

Legal form
Corporation
UID
CHE-114.914.929
Founded
2009 · 17 years
Last commercial register change
March 11, 2021
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

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