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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesSecurity systemsChâtel-St-DenisEF Energies Sàrl
EF Energies Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

EF Energies Sàrl provides electrical installation and maintenance services. Its activities include new installations and renovations, automation and security systems, as well as solar panels, battery storage and electric vehicle charging stations.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Security systemsElectrician
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3.9/5

EF Energies Sàrl

Photovoltaics
✓ Offered4
Electrical installation
New installation, compliance upgrades and renovation; lighting, electrical distribution board, cabling for the computer network, fire detection, sensors and alerts.
Automation and motorisation
Home automation, security systems, gate automation and access control; installation, maintenance, anti-intrusion alarms, video surveillance and intercoms.
Sustainable solutions
Solar panels, energy storage and charging stations; yield studies, installation and commissioning, batteries, administrative management and subsidies.
Troubleshooting and after-sales service
Rapid troubleshooting, after-sales service and preventive maintenance; interventions for electrical breakdowns, malfunctions, regular inspections and preventive repairs.
Trust & reputation

ranQ Trust Score of EF Energies Sàrl: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of November 2026

EF Energies Sàrl scores 59.9 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.56.824%
  • 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.52.910%
  • 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%
EF Energies Sàrl scores 77.2 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.86.512%
  • 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%
EF Energies Sàrl scores 86.7 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).86.722%
EF Energies Sàrl scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

EF Energies Sàrl reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 3.9 out of 5 stars from 7 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
3.9
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle3.97
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Route des Misets 40
1618 Châtel-St-Denis
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-297.727.779
Founded
2016 · 10 years
Last commercial register change
December 20, 2016
Employees
1 to 10

Active in 4 of 26 cantons · 61 municipalities

  • Lake Geneva region
  • FRFribourg
  • District de la Gruyère
  • District du Gros-de-Vaud
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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