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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesElectrical Planning & InstallationRiehenESR Elektro Sahli Riehen GmbH
ESR Elektro Sahli Riehen GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

ESR Elektro Sahli Riehen GmbH is an electrical services company that plans, installs and maintains electrical installations, photovoltaic systems, network and smart‑home solutions, lighting installations and EV charging infrastructure, and provides fault repair and safety documentation.

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Offering

Products & services

Industry:Electrical Planning & Installation
✓ Offered
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4.1/5

ESR Elektro Sahli Riehen GmbH

7
Electrical installations
Electrical installations for conversions and renovations in households, commercial and industrial premises; rectification of defects and safety attestations (SiNa) according to applicable regulations.
Customer service
Customer service for faults, power outages and defective lighting; troubleshooting, repair, maintenance and defect remediation after safety checks.
Network solutions
Planning, installation and maintenance of structured networks for households and businesses; data cabling, WLAN solutions and fault analysis for connection problems.
Photovoltaic systems
Advice, planning, installation and maintenance of photovoltaic solutions for sustainable energy.
Smart Home
Networking of lighting, heating and blinds with smart home systems such as KNX, Feller Wiser and ABB Free@Home; controllable via app.
Lighting
Lighting solutions for living spaces, gardens and commercial premises; new installations and retrofitting existing luminaires to LED technology.
E-Mobility
Advice, installation and maintenance of charging infrastructure for home, multi-family buildings and businesses; including grid connection, load management and integration into existing energy systems.
Trust & reputation

ranQ Trust Score of ESR Elektro Sahli Riehen GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

ESR Elektro Sahli Riehen GmbH scores 77.2 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.71.624%
  • 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.76.210%
  • 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.95.08%
ESR Elektro Sahli Riehen GmbH scores 70.2 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.70.212%
  • 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%
ESR Elektro Sahli Riehen GmbH 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%
ESR Elektro Sahli Riehen GmbH scores 14.3 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 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ESR Elektro Sahli Riehen GmbH 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 19 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 19 reviews across all connected sources

Sources
GGoogle4.519
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Keltenweg 18
4125 Riehen
Opening hours
Mon
07:00 - 16:30
Tue
07:00 - 16:30
Wed
07:00 - 16:30
Thu
07:00 - 16:30
Fri
07:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-361.092.197
Founded
2020 · 6 years
Last commercial register change
April 21, 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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