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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceEbertswilBrönnimann Holzbau AG
Brönnimann Holzbau AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Brönnimann Holzbau AG is timber construction, particularly: traditional timber construction, element construction, facades, renovation and conversion, roofing, roof service and repairs, roof windows, parquet flooring, and terrace decking. The company also offers services in the field of building biology, such as healthy building and living, electromagnetic pollution, radiesthesia, and Feng-Shui.

AI-generated
Offering

Products & services

Industry:Building MaintenanceTimber Construction & Carpentry
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Brönnimann Holzbau AG

✓ Offered11
Planning
Cadwork with BIM, structural analysis, building physics, fire protection, building and terrain surveys, planning, project management and building submissions for timber construction projects.
Traditional timber construction
Classic roof truss and demanding engineered timber construction, versatile timber structures tailored to individual preferences.
Element construction
Timber system construction with customised implementation, designed in 3D and precisely prefabricated in the factory.
Renovation and conversion
Renovations and conversions to enhance the property, create new rooms and optimise the energy balance.
Roofing
Roof re-coverings, repairs and roof maintenance for long-lasting protection of the building.
Roof service and repairs
Inspection of tiles, gutters and drains, removal of moss and plant growth, roof cleaning and rapid repairs after severe weather or a roof fire.
Roof windows
Installation of roof windows, Velux products and light tunnels, as well as sun protection and external roller shutters.
Facades
Timber and Eternit facades for constructive wood protection and protection against weather exposure.
Parquet
New installation, maintenance and cleaning of wooden floors and parquet for interior spaces.
Terrace decking
Terrace decks made of Douglas fir, spruce, larch or certified tropical hardwood for individually designed outdoor living spaces.
Healthy building and living
Building biology consulting focused on pollutant-free materials, sufficient air exchange and healthy living and working spaces.
Trust & reputation

ranQ Trust Score of Brönnimann Holzbau AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Brönnimann Holzbau AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
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CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Brönnimann Holzbau AG scores 74.1 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.64.612%
  • 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%
Brönnimann Holzbau AG 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%
Brönnimann Holzbau AG scores 65.7 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 35.65.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Brönnimann Holzbau AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Moosstrasse 9
8925 Ebertswil

At a glance

Legal form
Corporation
UID
CHE-138.568.982
Founded
2021 · 5 years
Last commercial register change
May 22, 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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