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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesSchafisheimDHS Dieter Häfeli Sanitäranlagen
DHS Dieter Häfeli Sanitäranlagen Logo
Verified· 3 sourcesTrust Score
Summary

About the company

DHS Dieter Häfeli Sanitäranlagen is a sanitary and heating company providing planning, consultation and execution of sanitary and heating projects. Services include bathroom renovations, water heaters, water-softening systems, piping works, and maintenance and repair tasks such as drain unblocking, boiler descaling and filter service.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered3
Plumbing
Planning, consultation and execution of plumbing projects; bathroom renovations, shower toilets, water heaters, water softening systems and service lines.
Heating systems
Renovation, conversion and new construction of heating systems; underfloor heating, gas boilers, oil-fired heating systems and heat pumps, as well as reliable maintenance and service.
Service
Maintenance and repair work in the plumbing sector; drain unblocking, descaling of boilers, fine filter service and other service work on plumbing and heating installations.
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4.3/5

DHS Dieter Häfeli Sanitäranlagen

Trust & reputation

ranQ Trust Score of DHS Dieter Häfeli Sanitäranlagen: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

DHS Dieter Häfeli Sanitäranlagen scores 79.1 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.77.924%
  • 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.74.910%
  • 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%
DHS Dieter Häfeli Sanitäranlagen scores 82.2 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.70.07%
DHS Dieter Häfeli Sanitäranlagen scores 85.0 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).85.022%
DHS Dieter Häfeli Sanitäranlagen scores 14.3 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 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

DHS Dieter Häfeli Sanitäranlagen reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 18 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
4.7
of 5

Aggregated from 18 reviews across all connected sources

Sources
GGoogle4.718
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Untere Schürz 10
5503 Schafisheim
Opening hours
Mon
07:30 - 12:00, 13:15 - 17:00
Tue
07:30 - 12:00, 13:15 - 17:00
Wed
07:30 - 12:00, 13:15 - 17:00
Thu
07:30 - 12:00, 13:15 - 17:00
Fri
07:30 - 12:00, 13:15 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-108.664.925
Founded
1997 · 29 years
Last commercial register change
September 12, 1997
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.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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