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

About the company

The core activity of Ervotronic AG includes the planning, design, installation and maintenance of multimedia systems, in particular sound systems, as well as the provision of services in the field of repair and maintenance of electronic devices, including the support of passenger information systems for Swiss railways and bus stops.

AI-generated
Offering

Products & services

Industry:Electrical Planning & Installation
✓ Offered10
Consulting
Consulting on multimedia, network and sound reinforcement solutions, tailored to wishes and needs; includes solution proposals for individual requirements.
Design
Design of networks, multiroom systems and sound reinforcement systems; includes dossier preparation for larger projects and subsequent repairs.
Installation
Installation of electronic devices and multimedia systems, from the television to home automation; also for devices regardless of purchase from Ervotronic.
Service
Maintenance of individual devices and systems; including individual maintenance contracts, consulting and ongoing support after purchase.
Repairs
Repairs of defective devices in the company’s workshop or on site; with a cost estimate and repairs regardless of place of purchase.
Sale of consumer electronics
Sale of consumer electronics in the retail shop, from batteries and flat-screen displays to networked home entertainment systems.
Rental of audio and event technology
Rental of sound reinforcement, mixing console, microphone and amplifier technology, as well as large screen displays and other equipment for events.
Sound reinforcement systems
Planning and implementation of sound reinforcement systems for multi-purpose buildings, gymnasiums, swimming facilities, churches, concert halls for singing and other rooms.
Multimedia systems
Planning, calculation, installation, commissioning and custom adaptation of fully networked multimedia systems.
Service for Funkwerk passenger information systems
Nationwide support for passenger information systems at railway stations and bus stops, including spare-parts stocking, analysis, on-site repairs and training.
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4.3/5

Ervotronic AG

Trust & reputation

ranQ Trust Score of Ervotronic AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Ervotronic AG scores 82.6 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.82.524%
  • 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.68.910%
  • 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.100.08%
Ervotronic 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%
Ervotronic 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%
Ervotronic AG scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Ervotronic AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.9 out of 5 stars from 14 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
4.9
of 5

Aggregated from 14 reviews across all connected sources

Sources
GGoogle4.914
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Mövenstrasse 2
8855 Wangen Sz
Opening hours
Mon
08:30 - 12:00, 13:30 - 17:00
Tue
08:30 - 12:00, 13:30 - 17:00
Wed
08:30 - 12:00, 13:30 - 17:00
Thu
08:30 - 12:00, 13:30 - 17:00
Fri
08:30 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.890.566
Founded
1983 · 43 years
Last commercial register change
August 31, 2010
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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