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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryChemical IndustryPetit-Lancyh2o facilities sa
h2o facilities sa Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of h2o facilities SA is the treatment and management of water, particularly in the following areas: 1. **Water treatment**: The company treats both industrial and domestic wastewater in Switzerland and internationally. 2. **Pools and Spas**: h2o facilities SA designs and maintains pools and spas for private and public institutions. 3. **Fineamin Chemicals**: The company produces polyamines, a type of chemical used in water treatment. Overall, the company's focus is on water treatment and management, including the design and maintenance of pools and spas, as well as the production of chemicals for water treatment.

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Offering

Products & services

Industry:Chemical Industry
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4.3/5

h2o facilities sa

✓ Offered12
Water treatment
Water treatment for private individuals and professionals, new installations, maintenance, adjustment, replacement and troubleshooting of water softeners, reverse osmosis, demineralisation and neutralisation.
Construction and maintenance of pools and spas
Custom-built construction of pools and spas, design, installation, maintenance and monitoring of water treatment for private individuals and professionals in French-speaking Switzerland.
Water treatment products FINEAMIN and SANICLINE
Conditioning products for domestic hot-water systems, cooling towers, air conditioning and heating, complemented by the FINEAMIN and SANICLINE range.
Laboratory analysis
Water analysis to define the most suitable treatment for installations and professional uses.
Ultra-pure water
Production of highly demineralised water for demanding applications, in particular in professional and technical environments.
Water softeners
Water softeners for private individuals and professionals, installation, replacement and maintenance to reduce the effects of limescale.
Reverse osmosis / demineralised water
Reverse osmosis and demineralisation solutions to produce water suitable for demanding installations and technical uses.
Treatment of closed-loop systems
Treatment of closed-loop systems to preserve installation performance and limit problems related to water quality.
Cooling tower
Treatment and conditioning of cooling towers to optimise performance and secure installations.
Neutralisation of construction site water
Neutralisation of construction site water before discharge to ensure compliance.
Active carbon filters
Active carbon filters for water treatment for private individuals, as a complement to water softeners and other domestic installations.
Aqua Home
Faucet and system to obtain filtered, chilled, still or sparkling water directly at the point of use.
Trust & reputation

ranQ Trust Score of h2o facilities sa: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

h2o facilities sa scores 71.5 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.75.324%
  • 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.79.710%
  • 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.50.08%
h2o facilities sa scores 85.5 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.55.07%
h2o facilities sa 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%
h2o facilities sa scores 80.0 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 35.80.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

h2o facilities sa reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.6 out of 5 stars from 22 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
4.6
of 5

Aggregated from 22 reviews across all connected sources

Sources
GGoogle4.622
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Avenue des Grandes-Communes 8
1213 Petit-Lancy
Opening hours
Mon
07:00 - 12:00, 13:30 - 17:15
Tue
07:00 - 12:00, 13:30 - 17:15
Wed
07:00 - 12:00, 13:30 - 17:15
Thu
07:00 - 12:00, 13:30 - 17:15
Fri
07:00 - 12:00, 13:30 - 15:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-113.213.221
Founded
2006 · 20 years
Last commercial register change
July 30, 2025
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.
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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