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

About the company

Elektro Tanner AG provides electrical installation services including consultation, planning and execution for high- and low-voltage systems. Services include telephone, network, multimedia and TV installations, lighting concepts, security systems, central vacuum systems, sale and repair of household appliances, and smart home solutions (e.g. Loxone, KNX).

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Products & services

Industry:Electrical Planning & Installation
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3.9/5

Elektro Tanner AG

✓ Offered
7
Electrical installations
Electrical installations for strong- and weak-current systems, telephone, network, multimedia and TV installations, security systems, and central vacuum cleaner systems.
Advisory, planning and quotations
Advice prior to planning, recording of wishes and needs, thorough electrical design as well as quotation and tender preparation for new or adapted installations.
Execution, service and repairs
Execution of electrical work, service and repairs, including a 24h on-call duty service for customers in Widnau and the surrounding area.
Lighting concepts
Lighting concepts for private and commercial installations, from planning through implementation.
Smart home systems
Smart home solutions with Loxone, KNX, Smartfox and other components for controlling and automating building functions.
Household appliances: sales and repairs
Sales and repairs of household appliances of all brands.
Installation and maintenance of security systems
Installation and maintenance of security systems as part of the electrical installations.
Trust & reputation

ranQ Trust Score of Elektro Tanner AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 100% · As of October 2026

Elektro Tanner AG 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%
Elektro Tanner AG scores 74.1 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.64.612%
  • 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%
Elektro Tanner AG 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%
Elektro Tanner AG scores 19.1 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 35.31.44%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.6.74%
Qualifications+0.00

Elektro Tanner AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 4.5 out of 5 stars from 20 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.5
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.

Press

Media

April 24, 2024Media
40 Jahre bei der Firma Elektro Tanner AG
rheintaler.ch

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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-478.409.564
Founded
2021 · 5 years
Last commercial register change
March 12, 2026
Employees
11 to 20
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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