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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentWater SupplySt. GallenRWSG Regionale Wasserversorgung St. Gallen AG
RWSG Regionale Wasserversorgung St. Gallen AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of RWSG Regionale Wasserversorgung St.Gallen AG is the extraction, treatment and distribution of drinking water from Lake Constance to partners and customers in the St.Gallen region. This includes the extraction of raw water, treatment and transportation of drinking water, ensuring a safe supply of drinking, service and firefighting water to over 150,000 people in the region.

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Industry:Water Supply
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4.0/5

RWSG Regionale Wasserversorgung St. Gallen AG

7
Drinking water supply
Supply of partners and customers with fresh drinking water from Lake Constance; intake of raw water, treatment and transport for more than 150'000 people in the region.
Non-potable water supply
Supply of non-potable water for the region; operation of the facilities for intake, treatment and transport as part of the regional water supply.
Firefighting water supply
Provision of firefighting water for the region; ensuring the corresponding water supply and the associated transport facilities.
Operation of the seawater works and high-pressure pumping station
Operation of the seawater works in Frasnacht and the Riet high-pressure pumping station in Goldach, including the associated transport facilities.
Water treatment
Treatment of raw water from Lake Constance as part of the region’s drinking water supply.
Water transport
Transport of treated water via the regional transport facilities to ensure supply security.
Cooperations in water supply
Entering into cooperation agreements with additional partners where this is appropriate, for networking and to increase cost-effectiveness and supply security.
Trust & reputation

ranQ Trust Score of RWSG Regionale Wasserversorgung St. Gallen AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 100% · As of October 2026

RWSG Regionale Wasserversorgung St. Gallen AG scores 56.5 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.68.224%
  • 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.17.610%
  • 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.70.08%
RWSG Regionale Wasserversorgung St. Gallen AG scores 89.3 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.70.07%
RWSG Regionale Wasserversorgung St. Gallen AG scores 86.7 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).86.722%
RWSG Regionale Wasserversorgung St. Gallen AG scores 45.0 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 35.20.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.70.04%
Qualifications+0.00

RWSG Regionale Wasserversorgung St. Gallen AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 customer reviews. 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 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

February 13, 2026Media
Grünes Licht für Riet II
st-galler-nachrichten.ch
February 11, 2026Media
Die Stadt St.Gallen braucht sichere Trinkwasserversorgung: Vorhaben ist jetzt einen wichtigen Schritt weiter
tagblatt.ch
July 30, 2025Media
St.Gallen: Trinkwassertarife werden austariert
tagblatt.ch
July 22, 2025Media
St.Gallen: Das Trinkwasser wird teurer
tagblatt.ch
April 8, 2024Media
Dimensionen von Seewasserwerk in Goldach sorgt für Überraschung
tagblatt.ch
January 25, 2024Media
Trinkwasser St.Gallen: Seewasserwerk im Riet geplant
tagblatt.ch
May 24, 2022Media
St.Galler Trinkwasserlücke: Nicht alle wollen neues Seewasserwerk
tagblatt.ch

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Location

St. Leonhard-Strasse 15
9001 St. Gallen

At a glance

Legal form
Corporation
UID
CHE-103.705.793
Founded
1993 · 33 years
Last commercial register change
May 15, 2026
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.100.06%
  • 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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