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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsWallbachKaufmann Kaminbau GmbH
Kaufmann Kaminbau GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Kaufmann Thomas Kaminbau GmbH is the planning, implementation and maintenance of chimneys, fireplace ovens and sheet metal work. The company offers comprehensive solutions for private individuals, planners, architects and heating companies, combining traditional craftsmanship with modern building protection.

AI-generated
Offering

Products & services

Industry:Specialized Construction Installations
✓ Offered3
Chimney construction
Fireplaces and stoves for private individuals, planners, architects and heating companies; project planning and execution for new builds and conversions.
Fireplace stoves
Fireplace stoves for living spaces and cosy living ambience; consulting and implementation in connection with chimneys, stoves and fire installations.
Sheet metal work
Sheet metal work for new builds, renovations and special solutions; precise and reliable execution in the field of sheet metal and roofing.
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4.1/5

Kaufmann Kaminbau GmbH

Trust & reputation

ranQ Trust Score of Kaufmann Kaminbau GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Kaufmann Kaminbau GmbH scores 71.4 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.76.724%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.45.610%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.88.08%
Kaufmann Kaminbau GmbH scores 83.0 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.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%
Kaufmann Kaminbau GmbH scores 85.0 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).85.022%
Kaufmann Kaminbau GmbH scores 12.3 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 35.12.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Kaufmann Kaminbau GmbH reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 5 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle55
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Schybenstuckweg 42
4323 Wallbach

At a glance

Legal form
Limited Liability Company
UID
CHE-107.600.271
Founded
1998 · 28 years
Last commercial register change
May 2, 2019
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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