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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesRepair of Machinery & Electronic DevicesBolligenWittwer Elektro Service
Wittwer Elektro Service Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Wittwer Elektro Service is the provision of services in the field of electrical installations, including installation, renovation, repair and inspection of electrical systems, as well as the sale and maintenance of household appliances.

AI-generated
Offering

Products & services

Industry:Repair of Machinery & Electronic Devices
✓ Offered4
Electrical installations
Electrical installations, repairs, conversions and refurbishment of electrical installations for flats, buildings and other facilities; including IT installations, telephony, intercom systems, roller blind installations and lighting.
Household appliances
Advice when purchasing new household appliances, replacement of existing units and professional disposal of old devices; for steamers, ovens, hotplates, washing machines, tumble dryers, cooker hoods, refrigerators and wine coolers.
Electrical inspection
Organisation of safety consultations and periodic inspections of the electrical installations; preparation of the safety certificate as well as rectification of reported defects and forwarding of the notification of rectification.
Renewable energy solutions
Photovoltaic systems with partner company, charging stations for electric cars, heat pump installations and heat pump boilers.
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4.2/5

Wittwer Elektro Service

Trust & reputation

ranQ Trust Score of Wittwer Elektro Service: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Wittwer Elektro Service scores 79.4 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.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.95.08%
Wittwer Elektro Service scores 78.5 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%
Wittwer Elektro Service 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%
Wittwer Elektro Service scores 7.1 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 35.7.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Wittwer Elektro Service reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.6 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 October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.6
of 5

Aggregated from 20 reviews across all connected sources

Sources
GGoogle4.620
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Bolligenstrasse 86
3065 Bolligen
Opening hours
Mon
07:30 - 11:45, 13:30 - 17:00
Tue
07:30 - 11:45, 13:30 - 17:00
Wed
07:30 - 11:45, 13:30 - 17:00
Thu
07:30 - 11:45, 13:30 - 17:00
Fri
07:30 - 11:45, 13:30 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-108.406.777
Founded
1996 · 30 years
Last commercial register change
February 13, 2025
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.
67.0
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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