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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesElectrical Planning & InstallationWinterthurVOLTA Elektro und Telecom AG
VOLTA Elektro und Telecom AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of VOLTA Elektro und Telecom AG is the provision of services in the field of electrical installations, telecom and patient call systems. Specifically, this includes the planning, installation and maintenance of electrical systems, telecommunications systems and patient call systems for private and business customers in the Winterthur and Turbenthal regions.

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Offering

Products & services

Industry:Electrical Planning & InstallationTelecommunications
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VOLTA Elektro und Telecom AG

✓ Offered4
Electrical installations
Design and execution of electrical installations and building cabling for new builds, extensions and conversions; building automation, security technology, multimedia and customised lighting solutions.
Telecommunications
Internet connections with VDSL or All IP, IT networks from planning to installation, telephone equipment, answering machines, fax machines and PABX systems with Voice over IP.
Patient call systems
Planning and installation of patient call systems for homes, hospitals and retirement residences; supplemented with person locating, personal protection, DECT telephone systems, call for disoriented persons and alerting.
Maintenance and repairs
Maintenance and repairs of electrical installations and household electrical appliances, as well as a 24-hour service for quick fault rectification.
Trust & reputation

ranQ Trust Score of VOLTA Elektro und Telecom AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

VOLTA Elektro und Telecom AG scores 74.0 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.84.824%
  • 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.67.110%
  • 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.50.08%
VOLTA Elektro und Telecom 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%
VOLTA Elektro und Telecom AG scores 85.0 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).85.022%
VOLTA Elektro und Telecom AG scores 28.6 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 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

VOLTA Elektro und Telecom AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 13 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
5
of 5

Aggregated from 13 reviews across all connected sources

Sources
GGoogle513
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Gewerbestrasse 4
8404 Winterthur
Opening hours
Mon
07:15 - 12:00, 13:00 - 16:45
Tue
07:15 - 12:00, 13:00 - 16:45
Wed
07:15 - 12:00, 13:00 - 16:45
Thu
07:15 - 12:00, 13:00 - 16:45
Fri
07:15 - 12:00, 13:00 - 16:45
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.874.923
Founded
1979 · 47 years
Last commercial register change
May 23, 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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