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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSustainability SectorZurichSVGW Fachverband für Wasser, Gas und Wärme
SVGW Fachverband für Wasser, Gas und Wärme Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The company's core activity is to ensure safety and quality in the areas of gas, water and heat, particularly through certification, inspection and consulting of plants and products, as well as promoting renewable energies and sustainable solutions.

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3.9/5

SVGW Fachverband für Wasser, Gas und Wärme

Offering

Products & services

Industry:Sustainability Sector
✓ Offered7
Certification
Product certification, person certification, and certification of utilities; plus ZIS subscriptions and ZIS Online as an online certification directory.
Courses & specialist conferences
Courses, training programmes, specialist conferences and events for the utility industry; offerings covering water, gas, heat, TISG and occupational safety.
Rules framework
Practice-oriented rules framework for the water, gas and heat industry; guidelines, specifications, consultations and shop access to all rules frameworks.
Occupational safety
Industry solution GW15001, guideline GW2 Part A, safety manual GW2 Part B, ASA system audit and advisory services, plus topics relating to gas, water and district heating systems.
Technical inspection and control (TISG)
Authorisation and inspection of pipeline systems, industrial and commercial gas installations, biogas plants, plants using renewable gases, gas filling stations and incidents involving damage.
Heat
Technical expertise for district heating, district cooling and anergy networks; guidelines, consultations, courses, occupational safety, network operator numbers and expert directory.
Membership
Become a member, member benefits, membership information, subscribe to the newsletter and access to further information for members.
Trust & reputation

ranQ Trust Score of SVGW Fachverband für Wasser, Gas und Wärme: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 100% · As of October 2026

SVGW Fachverband für Wasser, Gas und Wärme scores 50.2 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.61.524%
  • 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.35.310%
  • 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.35.08%
SVGW Fachverband für Wasser, Gas und Wärme scores 86.5 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.82.07%
SVGW Fachverband für Wasser, Gas und Wärme 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%
SVGW Fachverband für Wasser, Gas und Wärme scores 63.4 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.26.74%
Qualifications+0.00

SVGW Fachverband für Wasser, Gas und Wärme reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 4.0 out of 5 stars from 3 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
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle43
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

June 8, 2025Media
Wegen TFA: Wasser-Fachverband sorgt sich ums Grundwasser
srf.ch
December 6, 2024Media
Wasserversorger schlagen Alarm – die Schweiz lässt trotzdem immer mehr Pestizide wieder zu
watson.ch

Knowledge

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Comparisons

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Location

Grütlistrasse 44
8002 Zurich
Opening hours
Mon
09:00 - 17:00
Tue
09:00 - 17:00
Wed
09:00 - 17:00
Thu
09:00 - 17:00
Fri
09:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Association
UID
CHE-105.840.025
Founded
1988 · 38 years
Last commercial register change
April 28, 2026
Employees
21 to 50
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.73.06%
  • 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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