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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesElectrical Planning & InstallationGrolleyBlanc Sàrl Electricité et Téléphone
Blanc Sàrl Electricité et Téléphone Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Blanc Electricité is a service company specializing in the installation, maintenance, and repair of electrical systems and installations. The core activities include: installation of electrical systems, including electrical panels, household appliances, telecommunications, and charging stations; troubleshooting (repair) of electrical systems and installations; installation of security systems, such as fire detectors, lightning rods, and alarms; installation of control systems for lighting, heating, and ventilation; and telecommunications, including telephone, fax, and network infrastructure. The company also offers training positions in the fields of electricity and administration.

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Products & services

Industry:Electrical Planning & InstallationRetail - Electronic Devices
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Blanc Sàrl Electricité et Téléphone

✓ Offered6
General electrical installation
General electrical installation for new builds and renovations, with power sockets, connection points for lighting and sizing of the available power.
Electrical distribution boards
Manufacture and installation of electrical distribution boards for industry, businesses and private customers, with creation of new boards or renovation of existing installations.
Telecommunications
Installation of computer networks and commissioning of telephone installations, with analog or digital exchange, IP telephony, servers, cabling and Wi‑Fi optimisation.
EV charging stations
Installation of EV charging stations for electric vehicles in private garages or shared parking lots, with advice, commissioning and maintenance.
Troubleshooting
Troubleshooting of electrical installations, household appliances and telecommunication installations, with putting computers back in order where possible.
Household appliances
Delivery and installation of household appliances, with take-back of old appliances.
Trust & reputation

ranQ Trust Score of Blanc Sàrl Electricité et Téléphone: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Blanc Sàrl Electricité et Téléphone scores 65.8 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.67.424%
  • 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.58.610%
  • 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.70.08%
Blanc Sàrl Electricité et Téléphone scores 89.7 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%
Blanc Sàrl Electricité et Téléphone 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%
Blanc Sàrl Electricité et Téléphone scores 8.6 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 35.8.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Blanc Sàrl Electricité et Téléphone reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.4 out of 5 stars from 9 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
4.4
of 5

Aggregated from 9 reviews across all connected sources

Sources
GGoogle4.49
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Route du Sablion 2
1772 Grolley
Opening hours
Mon
07:30 - 11:45, 13:00 - 16:45
Tue
07:30 - 11:45, 13:00 - 16:45
Wed
07:30 - 11:45, 13:00 - 16:45
Thu
07:30 - 11:45, 13:00 - 16:45
Fri
07:30 - 11:45
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-107.767.310
Founded
1997 · 29 years
Last commercial register change
January 13, 2025
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.88.06%
  • 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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