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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesPreonzoZaffiro Riccardo Sagl
Zaffiro Riccardo Sagl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Zaffiro Riccardo Sagl is the planning, installation and maintenance of various types of systems, including: sanitary and heating systems, heat pumps and photovoltaic systems, and energy-efficient building renovations. The company also provides consulting services related to energy efficiency and savings, and supports customers in selecting and installing systems that meet their specific needs.

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Products & services

Industry:Plumbing & Building Services
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Zaffiro Riccardo Sagl

✓ Offered6
Energy consulting and permit applications
Tailored energy consulting, economic calculation of the proposed solutions and management of permits with the competent authorities.
Heat pumps and photovoltaic systems
Design and installation of heat pumps and photovoltaic systems as part of energy renovations.
Sanitary systems
Assembly and installation of sanitary systems, including piping for potable water and drains, connection of sanitary fixtures and installation of taps and fittings.
Heating systems
Complete installation of heating systems, with heat pumps, heat emission systems and pipework.
System acceptance testing
Final acceptance testing of installed systems to verify functionality, safety and technical compliance.
Issuance of certificates for energy incentives
Issuance of the certificates required to obtain cantonal and federal incentives related to new systems.
Trust & reputation

ranQ Trust Score of Zaffiro Riccardo Sagl: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Zaffiro Riccardo Sagl has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
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CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Zaffiro Riccardo Sagl scores 83.0 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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%
Zaffiro Riccardo Sagl scores 81.7 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).81.722%
Zaffiro Riccardo Sagl scores 1.7 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.1.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Zaffiro Riccardo Sagl reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Hier entsteht die Karte
6523 Preonzo

At a glance

Legal form
Limited Liability Company
UID
CHE-104.983.188
Founded
1999 · 27 years
Last commercial register change
April 6, 2017
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.
88.0
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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