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

About the company

The core activity of Otto Zenger AG is the provision of electrical services, including installation, planning, consulting and service, as well as the sale of electrical appliances. The company positions itself as a regionally anchored electrical installation company with a focus on solution-oriented and customer-centric work.

AI-generated
Offering

Products & services

Industry:Electrical Planning & Installation
✓ Offered7
Consulting / Planning
Consulting and planning for electrical projects, early project support, and development of solutions tailored to today’s and future needs.
Electrical Installations
Electrical installations in residential, industrial and commercial properties, for new builds and renovations; from power distribution boards to building automation.
Communication
Solutions and services for communication infrastructure, voice and data transmission, tailored to customer needs, as a Swisscom partner.
Eco Energy
Planning, implementation and maintenance of photovoltaic systems and e-mobility solutions, including advice on home charging stations and inspection of existing installations.
Electrical Service
Troubleshooting, maintenance of electrical infrastructures and electrical large appliances, including outside normal business hours for failures of systems, equipment and devices.
Household Appliances
Consulting, delivery, installation and disposal of old appliances; as well as sales and service of household and large electrical appliances.
ELITE Service
Advice, range, delivery and installation of brand-name appliances, as well as maintenance and care throughout the entire service life.
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4.0/5

Otto Zenger AG

Trust & reputation

ranQ Trust Score of Otto Zenger AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Otto Zenger AG scores 59.3 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.75.024%
  • 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.40.910%
  • 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.35.08%
Otto Zenger AG 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%
Otto Zenger 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%
Otto Zenger 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

Otto Zenger AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 4 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 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Huberstrasse 2
3008 Bern
Opening hours
Mon
07:00 - 12:00, 13:30 - 17:00
Tue
07:00 - 12:00, 13:30 - 17:00
Wed
07:00 - 12:00, 13:30 - 17:00
Thu
07:00 - 12:00, 13:30 - 17:00
Fri
07:00 - 12:00, 13:30 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-101.817.116
Founded
1968 · 58 years
Last commercial register change
September 21, 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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