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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesElectrical Planning & InstallationSuhrE. Widmer AG
E. Widmer AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of EWAG / E. Widmer AG is the provision of services in the field of electrical installations, including high and low voltage areas, for residential, commercial and industrial construction. This includes, among other things: installations, automation, lighting, communication, planning, security, support, repair and customer work, as well as the sale of electrical devices and accessories. The company offers these services as a "house electrician" and thus covers a wide range of needs in the field of electrical engineering.

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Products & services

Industry:Electrical Planning & Installation
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4.2/5

E. Widmer AG

✓ Offered11
Electrical installations for residential buildings
Electrical installations for single-family and multi-family homes, conversion work on power and low-voltage systems, customer service and maintenance work, plus lighting installations and lighting refurbishment.
Electrical installations for commercial and industrial sites
Electrical installations for commercial, industrial and public facilities, new builds, conversions, extensions and refurbishments, plus installations for heating, ventilation, cooling and network systems.
Service, maintenance and emergency support
Regular maintenance of electrical systems, fault clearance, repairs, monitoring of maintenance intervals, plus on-call and emergency service around the clock.
Low-voltage and network installations
Copper and fibre-optic connections, telephony, network cabling, network cabinets, TV and satellite cabling, intercom systems, access control, fire alarm and alarm systems.
Building automation
Lighting control, blind control, room climate integration, presence and absence simulation, security systems, fault messages by SMS, email or phone, PLC control and remote access.
Electrical planning
Consulting, tender documents, installation plans, equipment plans, electrical diagrams and as-built documentation for new builds and conversions.
E-mobility charging solutions
Planning and installation of charging stations for homes, businesses, properties and publicly accessible parking spaces, including single chargers, multi-space systems, charge management and load management.
Photovoltaic systems and battery storage
Photovoltaic systems, battery storage solutions, backup power systems, energy management systems and ZEV solutions for self-consumption optimisation and electricity storage.
Electrical appliance testing
Advice on test intervals, visual inspection, measurement and functional checks, test labels, documentation, results evaluation, inventory list, plus repair and cleaning of tested devices.
Household appliance service
Advice, delivery and installation of new household appliances, disposal of old appliances, repairs, replacement devices in case of failure, also with on-call service.
Lighting solutions
Planning and advice for LED, OLED and intelligent lighting, floor, wall, ceiling and pendant luminaires, recessed spots, track systems, plus outdoor, hall and shop window lighting.
Trust & reputation

ranQ Trust Score of E. Widmer AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

E. Widmer AG scores 67.3 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.54.424%
  • 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.81.910%
  • 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.88.08%
E. Widmer AG scores 92.3 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%
E. Widmer AG 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%
E. Widmer AG scores 60.0 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 35.60.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

E. Widmer AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.0 out of 5 stars from 24 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
of 5

Aggregated from 24 reviews across all connected sources

Sources
GGoogle424
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Tramstrasse 47
5034 Suhr
Opening hours
Mon
07:00 - 11:45, 13:00 - 17:00
Tue
07:00 - 11:45, 13:00 - 17:00
Wed
07:00 - 11:45, 13:00 - 17:00
Thu
07:00 - 11:45, 13:00 - 17:00
Fri
07:00 - 11:45, 13:00 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-101.071.641
Founded
1996 · 30 years
Last commercial register change
March 20, 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.
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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