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

About the company

The core activity of Dayer Electricité is the planning, installation, and maintenance of electrical systems and installations for private and commercial customers. This includes, in particular: installations of lighting, sockets, and heating systems; installations of telecommunications and multimedia services (internet, telephone, television); installations of networks and servers for businesses; installations of security systems (surveillance cameras); installations of renewable energy systems (solar panels); maintenance and repair of electrical systems and installations; and consulting and planning of electrical systems and installations for new buildings and renovations. The company also offers services in the field of energy efficiency and optimization.

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Products & services

Industry:Electrical Planning & Installation
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Dayer & Fils Electricité Sàrl

✓ Offered
4
Domestic electrical installations
Lighting and socket installations, heating, remote control, appliance connection, renewable and solar energy, energy-consumption optimisation, OIBT inspections, studies and project planning.
Industrial electrical installations
Low-voltage power supply and distribution, connection of machines and motors, monitoring, access control, small automation for lighting, heating and ventilation.
Multimedia and computer networks
Domestic multimedia, internet, television, telephone, camera, cabling and setup of computer networks for SMEs, multi-site connectivity, remote work, WiFi and telephone exchanges.
Remote heating control
Remote command and control of heating, integrated into electrical installations and regulation systems.
Trust & reputation

ranQ Trust Score of Dayer & Fils Electricité Sàrl: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Dayer & Fils Electricité Sàrl scores 71.4 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.76.724%
  • 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.45.610%
  • 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.88.08%
Dayer & Fils Electricité Sàrl scores 83.0 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%
Dayer & Fils Electricité Sàrl 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%
Dayer & Fils Electricité Sàrl scores 12.3 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 35.12.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Dayer & Fils Electricité Sàrl reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 5 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
5
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle55
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

La Poya de la Lé 2
1987 Hérémence
Opening hours
Mon
07:30 - 12:00, 13:30 - 17:30
Tue
07:30 - 12:00, 13:30 - 17:30
Wed
07:30 - 12:00, 13:30 - 17:30
Thu
07:30 - 12:00, 13:30 - 17:30
Fri
07:30 - 12:00, 13:30 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-109.656.058
Founded
2002 · 24 years
Last commercial register change
January 26, 2026
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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