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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureGeneral ContractorsKaltbrunnSTEINER UMBAUTEN
STEINER UMBAUTEN Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Steiner Umbauten is the planning, consulting, coordination and execution of conversions, renovations and interior fittings, including carpentry, roofing and bathrooms, with a focus on regional and high-quality solutions.

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Offering

Products & services

Industry:General ContractorsInterior Construction
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4.0/5

STEINER UMBAUTEN

Timber Construction & Carpentry
✓ Offered6
Interior fit-out
Interior fit-out for living spaces, advice on shaping the home, and implementation of custom fit-outs with solutions suited to everyday life.
Bathrooms and wellness oases
Bathroom makeovers and bathroom design, implementation of functional bathrooms with material selection, design, sustainability, and solutions tailored to your needs.
Floor and wall coverings
Consulting and installation of floor and wall coverings made of ceramic, wood or concrete, with selection of materials, shapes and colours.
Windows and doors
Window and door solutions focused on functionality, energy efficiency, safety and sound insulation, including the selection of suitable materials and glazing.
Wood panel ceilings
Wood panel ceilings and wooden cladding in different types of wood, colours and installation methods for designing and visually upgrading rooms.
Roofing and roof structures
New roofs, conversions, repairs and renovations of roof structures, including for complex roof shapes and roof damage.
Trust & reputation

ranQ Trust Score of STEINER UMBAUTEN: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

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Data basis 54% · As of October 2026

STEINER UMBAUTEN 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%
STEINER UMBAUTEN scores 72.7 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.86.512%
  • 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%
STEINER UMBAUTEN 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%
STEINER UMBAUTEN scores 5.7 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 35.5.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

STEINER UMBAUTEN 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

Bachtel 318
8722 Kaltbrunn

At a glance

Legal form
Sole proprietorship
UID
CHE-135.054.540
Founded
2016 · 10 years
Last commercial register change
February 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.
67.0
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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