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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesBorgonovoGiovanoli & Willy SA Impianti sanitari, riscaldamenti e ventilazioni
Giovanoli & Willy SA Impianti sanitari, riscaldamenti e ventilazioni Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Giovanoli & Willy SA encompasses the planning, installation, maintenance and repair of: Sanitary and heating systems, Ventilation systems, Water supply and wastewater systems, Fire protection systems, Solar systems, Gas systems, Heat generation and distribution systems, Pump and heating systems for renewable energy. The company also offers emergency services and specializes in the realization of projects in the field of building technology, from small individual systems to larger systems for residential, commercial and public buildings.

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Products & services

Industry:Plumbing & Building Services
✓ Offered5
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Giovanoli & Willy SA Impianti sanitari, riscaldamenti e ventilazioni

Sanitary installations
New installations and renovations, repairs and maintenance, supply and installation of sanitary fixtures, drain pipes, fire protection systems, irrigation, drinking-water filtration, water supply networks and gas installations.
Heating
New installations and renovations, repairs and maintenance, heat generation and distribution systems, temperature control, heat pumps, pellet, gas and oil systems, underfloor heating and radiators.
Ventilation
New installations and renovations, repairs and maintenance, controlled apartment ventilation, ventilation for the bathroom and ventilation for the kitchen.
24/7 emergency service
Emergency interventions for sanitary installations, heating and ventilation, also available outside office hours.
Core drilling and concrete cutting
Core drilling and concrete cutting as a new service announced on the website.
Trust & reputation

ranQ Trust Score of Giovanoli & Willy SA Impianti sanitari, riscaldamenti e ventilazioni: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Giovanoli & Willy SA Impianti sanitari, riscaldamenti e ventilazioni scores 58.0 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.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.78.08%
Giovanoli & Willy SA Impianti sanitari, riscaldamenti e ventilazioni 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%
Giovanoli & Willy SA Impianti sanitari, riscaldamenti e ventilazioni scores 85.0 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).85.022%
Giovanoli & Willy SA Impianti sanitari, riscaldamenti e ventilazioni scores 4.6 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 35.4.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Giovanoli & Willy SA Impianti sanitari, riscaldamenti e ventilazioni 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. 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
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.

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Location

Via Canun 6
7604 Borgonovo

At a glance

Legal form
Corporation
UID
CHE-113.648.180
Founded
2007 · 19 years
Last commercial register change
September 6, 2024
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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