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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesCastrischJoachim Graf Sanitär-Heizung-Service
Joachim Graf Sanitär-Heizung-Service Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of the company 'Joachim Graf Sanitär Heizung Service' is the provision of services in the field of sanitary and heating technology, including the installation, maintenance and repair of sanitary facilities and heating systems.

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Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered3
Sanitary Installations
Sanitary installations, repairs and service work on water lines, fittings and sanitary systems for residential and commercial buildings.
Heating Installations
Heating installations, maintenance and repairs for building heating systems; includes ongoing servicing of existing systems.
Repair and Service Work
Repair and service work for sanitary and heating systems, including maintenance, fault correction and minor repairs.
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Joachim Graf Sanitär-Heizung-Service

Trust & reputation

ranQ Trust Score of Joachim Graf Sanitär-Heizung-Service

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

Joachim Graf Sanitär-Heizung-Service 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%
Joachim Graf Sanitär-Heizung-Service scores 72.7 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.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%
Joachim Graf Sanitär-Heizung-Service 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%
Joachim Graf Sanitär-Heizung-Service 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.

Knowledge

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Location

Via Vitg 26
7126 Castrisch

At a glance

Legal form
Sole proprietorship
UID
CHE-380.093.228
Founded
2016 · 10 years
Last commercial register change
February 23, 2016
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.67.06%
  • 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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