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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsStabioZambello SA
Zambello SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Zambello SA is a provider of services and solutions in the field of building technology, particularly in the areas of: Sanitary technology (installation and maintenance of sanitary facilities), Heating technology (installation and maintenance of heating systems), Air conditioning (installation and maintenance of air conditioning systems), Ventilation technology (installation and maintenance of ventilation systems), Renewable energies (installation of photovoltaic systems). The company also offers consulting services in the field of energy efficiency and environmental protection.

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Products & services

Industry:Solar & Photovoltaics
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Zambello SA

✓ Offered8
Heating systems
Design and installation of heating systems, with solutions for energy efficiency, lower operating costs and customised setups for every environment.
Sanitary systems
Design and installation of sanitary systems, from supply to installation, with solutions for home comfort and functionality.
Ventilation and air-conditioning systems
Design and installation of ventilation and environmental air-conditioning systems, with tailored solutions for indoor air quality and comfort in residential or workspaces.
Water and air treatment
Design and installation of water and air treatment systems, integrated with other building technology systems.
Water supply and gas installations
Design and installation of water supply systems, gas installations, burners and storage tanks, with integrated services for technical infrastructures.
Heat recovery
Solutions for heat recovery, integrated into technical installations to improve energy efficiency.
Alternative and solar energy solutions
Design and installation of solutions for alternative and solar energies, including applications aimed at saving energy.
Energy consulting
Advisory services to optimise energy consumption and reduce environmental impact, with recommendations for more efficient and sustainable solutions.
Trust & reputation

ranQ Trust Score of Zambello SA: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Zambello SA scores 62.3 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.65.024%
  • 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.49.510%
  • 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%
Zambello SA scores 85.5 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.55.07%
Zambello 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%
Zambello SA scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Zambello SA reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.3 out of 5 stars from 6 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
4.3
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle4.36
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Via Laveggio 4a
6855 Stabio
Opening hours
Mon
08:00 - 17:30
Tue
08:00 - 17:30
Wed
08:00 - 17:30
Thu
08:00 - 17:30
Fri
08:00 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-112.800.427
Founded
2006 · 20 years
Last commercial register change
February 7, 2023
Employees
1 to 10
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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