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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesElectrical Planning & InstallationCastel San PietroNicola Petraglio Sagl
Nicola Petraglio Sagl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Nicola Petraglio Sagl is the planning, installation and maintenance of various technical systems and installations, in particular: electrical systems (e.g. households, offices, industry), telephone systems, data networks and cables, security systems (e.g. alarm systems, surveillance cameras) and home automation systems. The company also offers consulting and service activities in these areas and is a partner of Swisscom.

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Products & services

Industry:Electrical Planning & Installation
✓ Offered10
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4.1/5

Nicola Petraglio Sagl

Electrical installations for residential and industrial facilities
Design and installation of electrical systems for homes, offices and production facilities, with solutions for energy management and electrical infrastructure.
Home automation
Design and installation of home automation systems to automate lighting, air conditioning, heating, telephones, appliances, alarms and video surveillance.
CCTV and alarm systems
Design and installation of video surveillance systems and wired and wireless alarm systems for residential and commercial environments.
Structured cabling and data lines
Design and implementation of cabling for structured networks, internet network and connectivity, network security management, laying, installation and testing.
Telephone systems
Design and installation of telephone systems for businesses, including on-site survey, needs assessment, components and accessories for implementation.
Electric vehicle charging systems
Planning and installation of charging solutions for electric vehicles, for domestic and business needs.
Lighting systems
Creation of customised lighting systems for different environments, according to functional and aesthetic requirements.
Sale of electrical materials and appliances
Sale of electrical materials and a selection of household appliances, with support on products and related supplies.
Lightning protection systems
Design and installation of protection systems against atmospheric discharges for installations and structures.
Swisscom consulting and support
Sales, consulting, installation and maintenance of Swisscom products and solutions in the Mobile, Connectivity & TV, Business Communication, IT & Hosted Services and Business Software sectors.
Trust & reputation

ranQ Trust Score of Nicola Petraglio Sagl: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Nicola Petraglio Sagl scores 67.8 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.69.424%
  • 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.55.910%
  • 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%
Nicola Petraglio Sagl scores 82.5 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.95.212%
  • 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%
Nicola Petraglio Sagl 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%
Nicola Petraglio Sagl scores 2.6 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 35.2.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Nicola Petraglio Sagl reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.5 out of 5 stars from 8 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
4.5
of 5

Aggregated from 8 reviews across all connected sources

Sources
GGoogle4.58
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Via alle Zocche
6874 Castel San Pietro
Opening hours
Mon
07:30 - 12:00, 13:30 - 18:00
Tue
07:30 - 12:00, 13:30 - 18:00
Wed
07:30 - 12:00, 13:30 - 18:00
Thu
07:30 - 12:00, 13:30 - 18:00
Fri
07:30 - 12:00, 13:30 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-460.632.370
Founded
2013 · 13 years
Last commercial register change
December 4, 2025
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.85.03%
    • Full methodology

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