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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesVeveyGrisoni-Zaugg S.A.
Grisoni-Zaugg S.A. Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Grisoni-Zaugg S.A. provides sanitary, heating and sheet‑metal roofing (ferblanterie) services. Its activities include design, installation, maintenance, renovation and emergency repairs for residential, commercial and institutional clients, including specialised installations for laboratories and hospitals.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered4
Sanitary installations
Project studies, design and sanitary installation; maintenance and troubleshooting; turnkey bathroom renovations, collective showers, fit-outs for laboratories, hospitals and EMS.
Heating installations
Heating installations for apartment buildings, villas and mansions; heat pumps, thermal solar panels, wood, pellet, oil and gas boilers.
Sheet-metal roofing
New builds, conversions and roof renovations; installation of Velux, thermal and photovoltaic solar panels; maintenance, cleaning and moss treatments.
Maintenance and troubleshooting
Rapid 24/7 interventions for breakdowns or leaks; maintenance contracts to ensure the service life of the installations.
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4.1/5

Grisoni-Zaugg S.A.

Trust & reputation

ranQ Trust Score of Grisoni-Zaugg S.A.: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 100% · As of October 2026

Grisoni-Zaugg S.A. scores 70.0 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.54.224%
  • 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.83.810%
  • 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%
Grisoni-Zaugg S.A. scores 87.1 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%
Grisoni-Zaugg S.A. 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%
Grisoni-Zaugg S.A. scores 4.2 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 35.8.34%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

Grisoni-Zaugg S.A. reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.0 out of 5 stars from 26 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 26 reviews across all connected sources

Sources
GGoogle426
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

April 9, 2026Media
Fünf Familienunternehmen gründen zirkulit Beton AG
punkt4.info

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Location

Passage St-Antoine 7
1800 Vevey
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-462.138.460
Founded
1949 · 77 years
Last commercial register change
April 26, 2016
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.
76.0
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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