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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesFlooring & TilingUnterseenThomas Steiner GmbH
Thomas Steiner GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Thomas Steiner GmbH encompasses the planning, realization, and sale of: * Stove construction (storage heaters) * Fireplace construction * Slab work (ceramic, floor and wall coverings, wet areas, natural coverings) * Seamless coatings. The company offers skilled craftsmanship services for the design of living spaces, particularly for the installation of stoves, fireplaces, and slab coverings.

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Offering

Products & services

Industry:Flooring & Tiling
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4.1/5

Thomas Steiner GmbH

✓ Offered
4
Stove construction
Stove construction for tiled storage stoves, wood cooking ranges and whole-house heating systems; from planning through to realization and installation.
Tiling work
Tiling work for floor and wall coverings, ceramic tiles, mosaic, natural stone coverings as well as barrier-free and walk-in showers.
Fireplace and chimney construction
Fireplace and chimney construction with radiant fireplaces, warm-air fireplaces and fireplace stoves; planning, realization and advice for living rooms.
Seamless coverings
Seamless floor and wall coverings for residential and commercial premises as well as wet areas; seamless, easy-to-clean surfaces.
Trust & reputation

ranQ Trust Score of Thomas Steiner 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.

Thomas Steiner 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%
Thomas Steiner GmbH scores 78.5 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.89.612%
  • 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%
Thomas Steiner 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%
Thomas Steiner GmbH scores 11.1 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 35.11.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Thomas Steiner 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

Weissenaustrasse 19
3800 Unterseen

At a glance

Legal form
Limited Liability Company
UID
CHE-321.019.892
Founded
2015 · 11 years
Last commercial register change
August 17, 2018
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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