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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryMechanical Engineering IndustryGrellingenHydrocontrol GmbH
Hydrocontrol GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Hydrocontrol GmbH is the development, manufacture and distribution of water filter and osmosis systems, including accessories and spare parts, for the treatment and purification of drinking water.

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Offering

Products & services

Industry:Mechanical Engineering IndustryOnline Shops
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Hydrocontrol GmbH

✓ Offered6
Water filters / Reverse osmosis systems
Water filters and reverse osmosis systems for home and office, including benchtop units, direct-flow systems, portable countertop units and travel filters.
Shower filters
Shower filters and shower water filters for purifying shower water, including vitamin C filters, a mineral shower system and suitable replacement filters.
Accessories for reverse osmosis and water filtration systems
Connectors, hoses, valves, water connections, filter and membrane housings, seals, flow restrictors and other accessories for reverse osmosis systems.
Water testers and water analysis devices
TDS and EC measuring devices, 4-in-1 meters, water test kits and test liquids for checking water quality and conductivity.
Molecular hydrogen H2
Hydrogen generators and accessories for enriching drinking water with dissolved H2, including mobile units and replacement glass.
Anti-scale systems
Anti-scale solutions and water softening for water lines and household appliances, including water filters for washing machines and dishwashers.
Trust & reputation

ranQ Trust Score of Hydrocontrol GmbH: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Hydrocontrol GmbH scores 61.5 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.58.324%
  • 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.78.08%
Hydrocontrol GmbH scores 65.0 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.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%
Hydrocontrol 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%
Hydrocontrol GmbH scores 2.3 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 35.2.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Hydrocontrol GmbH reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 4.0 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
4
of 5

Aggregated from 8 reviews across all connected sources

Sources
GGoogle48
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Paradiesreben 6
4203 Grellingen
Opening hours
Mon
09:00 - 12:00, 13:30 - 17:00
Tue
09:00 - 12:00, 13:30 - 17:00
Wed
09:00 - 12:00, 13:30 - 17:00
Thu
09:00 - 12:00, 13:30 - 17:00
Fri
Closed
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-363.963.265
Founded
2022 · 4 years
Last commercial register change
July 26, 2024
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.
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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