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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureTimber Construction & CarpentryWollerauHausenbaur Holzbau ag
Hausenbaur Holzbau ag Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Hausenbaur Holzbau ag is a timber construction company offering element construction, carpentry and joinery services, interior finishing, energetic renovations, and façade, roof and staircase work.

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Offering

Products & services

Industry:Timber Construction & Carpentry
✓ Offered
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4.2/5

Hausenbaur Holzbau ag

9
Timber construction
Timber construction for new builds, conversions and all work around the building material wood; professional implementation using modern timber construction methods.
Timber element construction
Timber element construction for new builds, extensions and add-ons; prefabricated components for a short build time, clean installation and precise execution.
Interior fit-out
Interior fit-out using wood in different options as well as gypsum drylining boards; made-to-measure room design for aesthetics and living comfort.
Energy-efficient renovation
Energy-efficient renovations with insulation made from sheep’s wool, hemp, Holzflex and mineral wool; improvement of building structure, living comfort and energy consumption.
Façade construction
Façades with solid timber and other materials; consultation on suitable façade design with long-lasting weather protection.
Stair construction
Custom-made wooden stairs for living spaces; functional and well-shaped stairs with safe walking comfort and individual design.
Roof window installation
On-site consultation and professional, efficient installation of roof windows for natural light in living spaces.
Timber deck / terraces
Planning and implementation of timber decks for terraces, gardens or water areas with long-lasting timbers and a suitable surface.
Solid wood joinery
Solid wood furniture such as tables, sideboards and cabinets; handcrafted production of durable furniture pieces made from real wood.
Trust & reputation

ranQ Trust Score of Hausenbaur Holzbau ag: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Hausenbaur Holzbau ag scores 75.4 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.81.624%
  • 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.58.610%
  • 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.78.08%
Hausenbaur Holzbau ag scores 78.6 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.75.012%
  • 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%
Hausenbaur 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.
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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).85.022%
Hausenbaur Holzbau 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

Hausenbaur 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 9 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 9 reviews across all connected sources

Sources
GGoogle59
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Sihleggstrasse 1
8832 Wollerau
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-415.781.963
Founded
2019 · 7 years
Last commercial register change
August 25, 2025
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.
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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