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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesElectrical Planning & InstallationWinterthurElektro Gerteis AG
Elektro Gerteis AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Elektro Gerteis AG is the provision of services in the field of electrical installation, including: electrical installation, service and repair, e-mobility, multimedia systems, smart home, electrical planning, electrical inspections, and lighting. The company offers these services to private and business customers and is headquartered in Winterthur, Switzerland.

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Products & services

Industry:Electrical Planning & Installation
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4.2/5

Elektro Gerteis AG

✓ Offered8
Electrical installation
Planning, design engineering and installation of power and low-current systems for residential properties, commercial and industrial buildings, as well as new-build and renovation projects; small installations, inspections, repairs and advice on household appliances.
Service/Repair
Small installations, service work and repairs; mounting of luminaires, replacement of light sources, installation of multimedia cabling and troubleshooting of electrical faults.
Electrical planning
Consulting, planning and development of electrical installations using planning software; taking into account current and future needs for new builds and renovations.
Electrical inspections
Inspections of electrical installations in accordance with statutory requirements; rectification of defects and issuing of the safety certificate.
Smart home
Intelligent control of electrical applications in buildings; operation of lighting, shutters, ventilation and security systems via touch panel, switches, smartphone, web browser or radio.
E-mobility
Advisory services and complete solutions for home charging stations and wallboxes; combination with photovoltaic systems and design of a suitable, future-proof charging infrastructure.
Multimedia systems
Multimedia cabling for telephone, TV, radio and internet; planning and installation to reduce cables and support wireless systems, as well as to enable flexible use of rooms.
Lighting
Lighting concepts for residential space and workplaces; selection of suitable luminaires and light sources, as well as installation and maintenance of lighting.
Trust & reputation

ranQ Trust Score of Elektro Gerteis AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 100% · As of October 2026

Elektro Gerteis AG scores 77.0 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.68.624%
  • 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.82.910%
  • 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.95.08%
Elektro Gerteis AG scores 85.5 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%
Elektro Gerteis AG scores 86.7 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).86.722%
Elektro Gerteis AG scores 26.5 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 35.22.94%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.30.04%
Qualifications+0.00

Elektro Gerteis AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.4 out of 5 stars from 25 customer reviews. 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 25 reviews across all connected sources

Sources
GGoogle4.425
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

March 10, 2026Media
Spielplatzbauer, Kaffeerösterinnen und fünf weitere Firmen kämpfen um den KMU-Max
tagesanzeiger.ch
March 2, 2026Media
KMU-Preis in Winterthur: Eine dieser Firmen wird das beliebteste KMU 2026
tagesanzeiger.ch

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Location

Zürcherstrasse 96
8406 Winterthur
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-140.059.738
Founded
2011 · 15 years
Last commercial register change
December 13, 2016
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.
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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