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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumberMeisterschwandenEWS Wüst AG
EWS Wüst AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

EWS Wüst AG offers water-treatment systems, including solutions for limescale protection and filters that reduce PFAS in drinking water. The company advises customers and supplies equipment for residential, commercial and industrial use.

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Service area

Offering

Products & services

Industry:Plumber
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4.0/5

EWS Wüst AG

✓ Offered6
Limescale protection systems without salt
Salt-free limescale protection for drinking water installations, pipes, boilers and household appliances; physical treatment instead of ion exchangers, without chemicals or wastewater.
Geysir limescale protection series
Limescale protection series with seed crystal technology for single-family homes, multi-family houses and larger systems; installation into the pipe system, low-maintenance, with DVGW certification mentioned.
Vulcan limescale protection series
Limescale protection series with seed crystal technology for single-family homes, multi-family houses, commercial and industrial buildings; simple installation on the pipe, without salt, without chemicals and with low maintenance.
Quotation preparation for limescale protection systems
Quotation on request for Vulcan, Geysir or both systems; collection of application area, building type, number of parties and specification for commercial or industrial use.
Installation of limescale protection devices
Installation by specialist EWS staff for Vulcan and Geysir devices, provided the connection is available; for larger devices, on request and after consultation.
B2B partner programme for installers
Partner programme for sanitary installers and specialist plumbing companies with limescale protection systems on attractive terms, plus customer acquisition, information and regional promotional campaigns.
Trust & reputation

ranQ Trust Score of EWS Wüst AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

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Data basis 54% · As of November 2026

EWS Wüst 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.
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%
EWS Wüst AG scores 67.5 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.58.012%
  • 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%
EWS Wüst AG 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%
EWS Wüst AG scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

EWS Wüst AG reaches a ranQ Trust Score of 4.0 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 November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Comparisons

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Location

Lindenmattstrasse 9
5616 Meisterschwanden

At a glance

Legal form
Corporation
UID
CHE-498.448.751
Founded
2022 · 4 years
Last commercial register change
June 2, 2022
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • AGMeisterschwanden
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.
100.0
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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