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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesSulz AgHP Wassertechnik GmbH
HP Wassertechnik GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of HP Wassertechnik GmbH is the development, manufacture and distribution of water softening systems, decalcification and treatment systems, as well as filtration systems for household and drinking water. The company also provides consulting, delivery and installation of these systems, particularly in Switzerland, Liechtenstein, Germany and Austria.

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Products & services

Industry:Plumbing & Building Services
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HP Wassertechnik GmbH

✓ Offered6
Water softening systems
Water softening systems for domestic and drinking water, including Eckstein water softeners, various system sizes, and full guarantee.
Water filter and filtration systems
Water filters and filtration systems for domestic and drinking water, including cartridges and point-of-use filter technology to improve taste, odour, and water quality.
Reverse osmosis systems
Reverse osmosis systems for commercial use and private households, for reducing sodium, sulphate, chlorine, sediments, and bacteria at a point of use.
Drinking water and water hardness check
Non-binding and free drinking water test on site, including inspection of the installation and the water hardness at the customer's home.
Consulting, quotation, installation and commissioning
Individual consulting, free quotation, complete installation and commissioning of the water softening system from one source.
Adjustment of water hardness
Free adjustment of water hardness according to the customer's wishes after installation or when later changes are requested.
Trust & reputation

ranQ Trust Score of HP Wassertechnik GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

HP Wassertechnik GmbH scores 77.5 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.80.624%
  • 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.55.910%
  • 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.95.08%
HP Wassertechnik GmbH scores 76.0 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.75.012%
  • 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%
HP Wassertechnik 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%
HP Wassertechnik GmbH scores 0.6 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 35.0.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

HP Wassertechnik 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 8 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 8 reviews across all connected sources

Sources
GGoogle58
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Bergstrasse 6
5085 Sulz Ag
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
09:00 - 17:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-343.105.258
Founded
2019 · 7 years
Last commercial register change
January 28, 2022
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.
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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