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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesVeveyGrisoni SA
Grisoni SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Grisoni SA provides sanitary, heating and metal-roofing (ferblanterie) services. It handles design, installation, maintenance and repair of plumbing and heating systems, roof covering and metalwork, and implements solar-thermal and heat-pump solutions for residential and institutional clients. The company also offers maintenance contracts and an emergency repair service.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered4
Sanitary installations
Project studies and specifications, design and planning, installations for residential buildings and villas, turnkey bathroom renovations, group showers and special fittings.
Heating
Heating installations for residential buildings and villas, heat pumps, thermal solar panels, flat-plate collectors or evacuated tube collectors, wood, oil and gas boilers.
Sheet metal work
New constructions, building transformations, roof renovations, installation of Velux, installation of thermal and photovoltaic solar panels, maintenance and treatments against moss.
Maintenance and emergency repairs
Rapid interventions 24/7 for breakdowns or leaks, with maintenance contracts to ensure the service life of the installations.
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4.2/5

Grisoni SA

Trust & reputation

ranQ Trust Score of Grisoni SA: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Grisoni SA 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 SA 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%
Grisoni 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%
Grisoni SA scores 8.0 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 35.8.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Grisoni SA reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.0 out of 5 stars from 26 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 26 reviews across all connected sources

Sources
GGoogle426
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Avenue Louis-Ruchonnet 29
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
Corporation
UID
CHE-101.782.110
Founded
1981 · 45 years
Last commercial register change
December 27, 2021
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.
100.0
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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