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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureTimber constructionChabreyKaufmann Construction Bois Sàrl
Kaufmann Construction Bois Sàrl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Kaufmann Construction Bois Sàrl carries out carpentry, roofing, timber construction and renovation work. Its services also include technical studies, construction management, photovoltaic system installation and screw foundation installation.

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Presence

Service area

Offering

Products & services

Industry:Timber construction
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Kaufmann Construction Bois Sàrl

✓ Offered4
Construction work
Carpentry and roofing, wood framing, walls, ceilings and interior parquet floors, roof windows, facades, staircases, wooden terraces, insulation, structural and energy renovations.
Engineering office
Energy calculations, U-value, energy subsidy applications, studies and project proposals, advice for individuals and architects, tender documents, site supervision, structural calculations, and 2D and 3D plans.
Photovoltaic system installation
Installation of photovoltaic systems, including on roofs and other associated construction projects.
Krinner foundation screws
Reusable screw foundations, with no excavation and no concrete, for buildings, terraces, garden sheds and photovoltaic panels.
Trust & reputation

ranQ Trust Score of Kaufmann Construction Bois Sàrl: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 54% · As of November 2026

Kaufmann Construction Bois Sàrl 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%
Kaufmann Construction Bois Sàrl scores 65.0 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.58.012%
  • 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.55.07%
Kaufmann Construction Bois Sàrl scores 86.7 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).86.722%
Kaufmann Construction Bois Sàrl scores 4.9 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 35.4.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Kaufmann Construction Bois Sàrl reaches a ranQ Trust Score of 3.9 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 November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Knowledge

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Location

Route de la Croix 38
1589 Chabrey
Opening hours
Mon
07:00 - 17:30
Tue
07:00 - 17:30
Wed
07:00 - 17:30
Thu
07:00 - 17:30
Fri
07:00 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-406.820.535
Founded
2022 · 4 years
Last commercial register change
January 27, 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.88.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

    Active in 1 of 26 cantons · 1 municipality

    • VDVully-les-Lacs

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