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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureTimber Construction & CarpentryFischingenBertsch Bau GmbH
Bertsch Bau GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Bertsch Bau GmbH is the execution of work in the field of timber construction, particularly in the areas of new construction, renovation and refurbishment. This specifically includes the planning and project management of projects, such as conversions, extensions, ceilings and floors, as well as collaboration with regional partner companies to implement projects of high quality and on schedule.

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Offering

Products & services

Industry:Timber Construction & Carpentry
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4.0/5

Bertsch Bau GmbH

✓ Offered5
Timber construction
Work in new builds, conversions and renovations in timber construction; including planning and construction management for individual projects.
Conversions
Conversions in timber construction, documented with reference projects and listed as a separate service area.
Extensions
Extensions in timber construction, with project examples such as a carport, and handled as a separate area.
Ceilings
Ceiling work in timber construction, with completed projects such as an acoustic ceiling.
Floors
Flooring work in timber construction, with reference projects such as a vinyl floor.
Trust & reputation

ranQ Trust Score of Bertsch Bau GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

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Data basis 54% · As of October 2026

Bertsch Bau 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%
Bertsch Bau GmbH scores 70.2 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.70.212%
  • 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%
Bertsch Bau 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%
Bertsch Bau GmbH scores 3.4 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 35.3.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Bertsch Bau GmbH reaches a ranQ Trust Score of 4.0 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

Hauptstrasse 31
8376 Fischingen

At a glance

Legal form
Limited Liability Company
UID
CHE-226.514.603
Founded
2020 · 6 years
Last commercial register change
October 14, 2024
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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