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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesThalheim An Der ThurKarl Erb Sanitär-Haustechnik AG
Karl Erb Sanitär-Haustechnik AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Karl Erb Sanitär-Haustechnik AG is a sanitary and building-services company providing plumbing repairs, bathroom renovations, new-build installations, water-supply works and maintenance services. The company offers consulting, planning and project coordination for private and larger construction projects.

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Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered3
Sanitary services
Plumbing installations, repairs, bathroom conversions, new builds and water supply; consultation, planning and job coordination incl. 24-hour standby outside opening hours.
Bathroom planning and bathroom renovations
Planning and construction of new bathrooms, bathroom renovations and bespoke bathroom design with the Badplaner; focus on functionality, comfort and technical implementation.
Service order and standby duty
Service requests by e-mail or WhatsApp as well as 24-hour standby outside opening hours for urgent matters and faults.
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4.1/5

Karl Erb Sanitär-Haustechnik AG

Trust & reputation

ranQ Trust Score of Karl Erb Sanitär-Haustechnik AG: 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.

Karl Erb Sanitär-Haustechnik AG 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%
Karl Erb Sanitär-Haustechnik AG scores 89.3 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.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.70.07%
Karl Erb Sanitär-Haustechnik AG 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%
Karl Erb Sanitär-Haustechnik AG scores 48.6 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 35.48.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Karl Erb Sanitär-Haustechnik AG 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.

Knowledge

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Location

Hier entsteht die Karte
Im Obmann 6
8478 Thalheim An Der Thur

At a glance

Legal form
Corporation
UID
CHE-106.980.479
Founded
1983 · 43 years
Last commercial register change
December 5, 2025
Employees
11 to 20
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.100.06%
  • 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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