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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesResearch & DevelopmentWohlen AgHydro Service Schweiz AG
Hydro Service Schweiz AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Hydro Service Schweiz GmbH is the development and marketing of environmentally friendly water treatment technologies, particularly EAF technology (electroactive water treatment) for protection against limescale. The company offers products and solutions for various application areas such as residential, commercial, industrial and agricultural use, providing a chemical-free and cost-effective alternative to conventional water softening systems.

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Products & services

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4.3/5

Hydro Service Schweiz AG

✓ Offered5
Anti-limescale devices (Aquazino)
Anti-limescale devices for apartments, single-family homes and smaller multi-family buildings; various models for individual appliances, bathrooms, boilers and small residential properties.
Anti-limescale devices for large properties (Aquazino PRO)
Anti-limescale devices for multi-family houses, residential complexes, hotels, office buildings, public buildings, industry, commercial use and agriculture; larger models and individual protection concepts.
EAF technology
Electronic anti-limescale technology against deposits without chemicals and salt; influences crystal formation, reduces scale deposits and is documented with scientific proof of function.
Anti-limescale solutions for owner-occupied homes
Anti-limescale protection for home with protection for pipes, boilers, appliances and surfaces; easy retrofitting, maintenance-free operation, without chemicals and salt.
Anti-limescale solutions for large properties
Anti-limescale protection for large real-estate properties with protection for pipes, boilers and installations; value preservation, lower maintenance and individual concepts for larger projects.
Trust & reputation

ranQ Trust Score of Hydro Service Schweiz AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 100% · As of October 2026

Hydro Service Schweiz AG scores 76.8 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.68.424%
  • 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.78.610%
  • 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.100.08%
Hydro Service Schweiz AG scores 84.8 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.89.612%
  • 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%
Hydro Service Schweiz AG scores 86.7 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).86.722%
Hydro Service Schweiz AG scores 56.7 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 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.13.34%
Qualifications+0.00

Hydro Service Schweiz AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.4 out of 5 stars from 21 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.4
of 5

Aggregated from 21 reviews across all connected sources

Sources
GGoogle4.421
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

January 28, 2023Media
Durchbruch bei chemiefreiem Kalkschutz für Siedlungen und Einfamilienhäuser
nzz.ch

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Location

Postplatz 4
5610 Wohlen Ag
Opening hours
Mon
08:30 - 12:00, 13:30 - 17:00
Tue
08:30 - 12:00, 13:30 - 17:00
Wed
08:30 - 12:00, 13:30 - 17:00
Thu
08:30 - 12:00, 13:30 - 17:00
Fri
08:30 - 12:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-143.561.218
Founded
2015 · 11 years
Last commercial register change
June 16, 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.
100.0
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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