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

About the company

The core activity of Zimmerei Bertschy is the planning, consulting and execution of timber construction projects, including element construction, conversions, renovations, interior finishing, terrace floors and building envelopes. The company offers comprehensive services from the idea to the completion of timber construction projects.

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Products & services

Industry:Building MaintenanceInterior Construction
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Zimmerei Bertschy GmbH

Timber Construction & Carpentry
✓ Offered7
Timber construction
Timber interior fit-out, roof storey additions, dormers, wooden balconies and wooden carports; planning and execution of roof shapes and roof structures.
Element construction
Prefabrication and construction of timber element houses and sealed timber shell; airtight construction and thermal insulation for energy-efficient living.
Alterations and renovations
Complete conversions, floors and walls, façade insulation and cladding, raising of roof trusses, roof superstructures, attic conversions and Velux roof windows.
Building envelope
Modernisation and renovation of building envelopes with work on façades, insulation, protection against heat, frost and moisture, and improvement of indoor climate and energy performance.
Interior fit-out
Modernisation of interior spaces, targeted or complete repair and renewal of the building fabric, building renovation with added value and higher energy efficiency.
Terrace flooring
Wood decks and terrace flooring with advice on timber types, shapes and colours; substructure, care and protection against weather impacts.
Timber framing
Carpentry and timber framing renovations; apprenticeship in skilled trades, workshop operation and project-based timber work around the building trades.
Trust & reputation

ranQ Trust Score of Zimmerei Bertschy GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Zimmerei Bertschy GmbH 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%
Zimmerei Bertschy GmbH scores 83.0 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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.55.07%
Zimmerei Bertschy 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%
Zimmerei Bertschy GmbH scores 17.1 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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

Zimmerei Bertschy GmbH 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

Dorfschaftstrasse 6
1712 Tafers

At a glance

Legal form
Limited Liability Company
UID
CHE-101.515.980
Founded
1999 · 27 years
Last commercial register change
November 28, 2022
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.
88.0
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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