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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryCrafts & TradesElectricianWidnauAdolf Tanner AG Elektrofachgeschäft
Adolf Tanner AG Elektrofachgeschäft Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Adolf Tanner AG Elektrofachgeschäft is an electrical service and retail company. The firm provides strong- and weak-current installations, telephone, network, multimedia and TV installations, lighting concepts, security and central vacuum systems, sales and repair of household appliances, as well as planning/quotations, service and Smart Home solutions (e.g. Loxone, KNX).

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Service area

Offering

Products & services

Industry:Electrician
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Adolf Tanner AG Elektrofachgeschäft

Consulting
Personal consulting, gathering of wishes and needs, clarifying details and preparing a clear quotation before planning.
Planning
Planning of electrical installations with experience and know-how, so that systems can be adapted to current needs even in the future.
Execution
Implementation of electrical work and customer requirements by motivated and competent employees.
Electrical installations
Power and low-voltage installations as well as telephone, network, multimedia and TV installations.
Service and repair work
Service and repair work for installations and equipment, including maintenance during ongoing operation.
Lighting concepts
Planning and implementation of lighting concepts for residential and commercial properties.
Security systems
Installation of security systems as part of electrical installations.
Central vacuum systems
Planning and installation of central vacuum systems as part of home technology.
Household appliances: sales and repairs
Sales and repair of household appliances of all brands.
Smart home systems
Smart home solutions with Loxone, KNX, Smartfox and similar systems.
Planning and costing
Planning of electrical projects and preparation of quotations and cost estimates.
Apprenticeship training
Training of electrical installers and assembly electricians, as well as trial apprenticeships and short applications.
Trust & reputation

ranQ Trust Score of Adolf Tanner AG Elektrofachgeschäft: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of November 2026

Adolf Tanner AG Elektrofachgeschäft scores 66.1 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.71.724%
  • 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.77.410%
  • 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.35.08%
Adolf Tanner AG Elektrofachgeschäft scores 89.3 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.70.07%
Adolf Tanner AG Elektrofachgeschäft 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%
Adolf Tanner AG Elektrofachgeschäft scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Adolf Tanner AG Elektrofachgeschäft reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.5 out of 5 stars from 20 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
4.5
of 5

Aggregated from 20 reviews across all connected sources

Sources
GGoogle4.520
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Bahnhofstrasse 32
9443 Widnau
Opening hours
Mon
07:15 - 12:00, 13:15 - 17:15
Tue
07:15 - 12:00, 13:15 - 17:15
Wed
07:15 - 12:00, 13:15 - 17:15
Thu
07:15 - 12:00, 13:15 - 17:15
Fri
07:15 - 12:00, 13:15 - 16:15
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.800.249
Founded
1978 · 48 years
Last commercial register change
September 2, 2025
Employees
11 to 20

Active in 1 of 26 cantons

  • SGSt. Gallen
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.100.06%
  • 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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