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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesElectrical Planning & InstallationSt-Pierre-De-ClagesESC Electro Service SA
ESC Electro Service SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of ESC SA consists in providing services in the field of electrical engineering, including: installation of electrical systems and plants, home automation and building automation, telecommunications systems, installation of protection systems such as lightning protection and surge protection, sale of electrical appliances and household appliances, planning and consulting of electrical projects, conducting safety audits and creating safety reports (OIBT), and installation of charging stations for electric vehicles. The company thus offers a comprehensive range of services in the field of electrical engineering and positions itself as a full-service provider for electrical systems and plants.

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Products & services

Industry:Electrical Planning & Installation
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4.3/5

ESC Electro Service SA

Telecommunications
✓ Offered11
Electrical installations
Electrical installations for new builds and renovations, from the electrical distribution board to the last socket; bringing existing installations back into compliance and technical advice.
Telecommunications
Installations for telephony, television and high-speed Internet, in collaboration with Swisscom or Netplus, including new lines, devices and installation extensions.
Charging stations
Supply and installation of charging stations for home or professional parking spaces, with charging equipment and wall or floor mounting options.
Home automation
Home automation for lighting, shutters, heating, presence simulation and alarm transmission, with local or remote control.
Alarm systems
Installation, programming and maintenance of the Jablotron alarm system, with smoke detection functions, flood sensors and a temperature probe.
Photovoltaic solar installations
Autonomous or grid-connected photovoltaic solar installations, with or without a battery, mounted on the roof or integrated into the roof.
NIV inspection and compliance
NIV inspections and safety procedures for purchase, sale or requests from the electricity distributor, including bringing installations into compliance.
Electrical engineering office
Project and cost studies, tender documents, offers, electrical construction plans, diagrams, requests to utility providers and compliance with standards.
Surge protection systems
Protection of installations and sensitive equipment against lightning, overvoltage and inverters to limit damage caused by weather phenomena.
Lighting
Lighting project studies, electrical construction plans, offers, diagrams, requests to utility providers and consideration of applicable standards.
Household appliances
Sales, installation, repair and replacement of household appliances, with a selection from suppliers and advice on energy efficiency classes.
Trust & reputation

ranQ Trust Score of ESC Electro Service SA: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

ESC Electro Service SA scores 78.5 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.80.724%
  • 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.73.510%
  • 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.78.08%
ESC Electro Service SA scores 92.3 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.82.07%
ESC Electro Service 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%
ESC Electro Service SA scores 6.9 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 35.6.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ESC Electro Service SA reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.8 out of 5 stars from 17 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
4.8
of 5

Aggregated from 17 reviews across all connected sources

Sources
GGoogle4.817
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Route de Merdesson 3a
1955 St-Pierre-De-Clages
Opening hours
Mon
08:00 - 11:30, 13:30 - 16:30
Tue
08:00 - 11:30, 13:30 - 16:30
Wed
08:00 - 11:30, 13:30 - 16:30
Thu
08:00 - 11:30, 13:30 - 16:30
Fri
08:00 - 11:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-108.264.282
Founded
1995 · 31 years
Last commercial register change
March 7, 2024
Employees
21 to 50
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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