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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionBichelseeRedBau GmbH
RedBau GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of RedBau GmbH is the execution of construction projects, particularly in the areas of renovations, demolitions, sealing works and building refurbishments. The company offers services such as rebar punching, adhesive reinforcement, rebar derusting, sealing works (e.g. joint tapes, injections, liquid plastics, floor coatings) and masonry refurbishments.

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Offering

Products & services

Industry:Building Construction
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RedBau GmbH

Building Maintenance
Site Preparation
Masonry Work
✓ Offered6
Conversion
Conversion of residential houses and office premises, including planning or implementation of alterations in the existing building stock.
Masonry restoration
Masonry restoration for damp walls, mould, peeling plaster or paint; targeted restoration measures in the masonry.
Concrete restoration
Concrete restoration including rust removal from reinforcement and renewal of affected sections in case of leaking or corroded concrete.
Waterproofing works
Waterproofing works with joint sealing tapes, injections, liquid plastic and floor coatings for leaking structural components and surfaces.
Deconstruction
Deconstruction as preparation for conversions, including demolition and preparatory work before the planned redesign.
Reinforcement
Strengthening of buildings with shear-through reinforcement and bonded reinforcement for the structural upgrading of the external envelope.
Trust & reputation

ranQ Trust Score of RedBau GmbH

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

RedBau 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.
x
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%
RedBau GmbH scores 75.7 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.83.012%
  • 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%
RedBau GmbH scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
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%
RedBau GmbH scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

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

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Location

Hauptstrasse 24a
8363 Bichelsee

At a glance

Legal form
Limited Liability Company
UID
CHE-396.548.944
Founded
2017 · 9 years
Last commercial register change
August 30, 2021
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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