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

About the company

ZWIWO AG provides electrical installation and maintenance services, including service and repair work, electrical installations for new builds and renovations, E‑Mobility solutions, distribution panels, KNX building automation, structured cabling, network installations, telephone systems (PBX), lighting, and planning and consulting for electrical installations.

AI-generated
Offering

Products & services

Industry:Electrical Planning & Installation
✓ Offered9
Electrical installations
Electrical installations for new builds, renovations and offices; from sockets to the complete system, including maintenance and repairs.
Service and repair work
Service work related to electrical installations in residential, commercial and industrial buildings; fault finding, troubleshooting, replacement of switches and luminaires, charging stations, rectification of defects.
Consulting/Planning
Consulting and planning for repair, renovation and new-build work; transparent planning, practical recommendations and implementation according to customer requirements.
E-mobility
Installation of charging solutions for home, company parking lots and larger sites; secure, efficient and scalable charging infrastructure.
Low-voltage installations
Installation of low-voltage systems such as intercom systems, networks and KNX automation.
Lighting
Planning and installation of lighting solutions with modern controls for private and commercial use.
Building automation
Building automation with KNX, Wiser and Casambi for comfort, flexibility and networked control in the home.
Electrical distribution boards
Replacement of outdated electrical distribution boards with modern, standards-compliant systems with minimal downtime.
Rectification of defects
Rectification of defects from periodic inspections; implementation based on the defect report and notification to the inspection body.
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4.4/5

ZWIWO AG

Trust & reputation

ranQ Trust Score of ZWIWO AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

ZWIWO AG scores 83.4 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.79.424%
  • 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.83.810%
  • 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%
ZWIWO 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%
ZWIWO 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%
ZWIWO AG scores 62.9 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 35.62.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ZWIWO AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 26 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
4.7
of 5

Aggregated from 26 reviews across all connected sources

Sources
GGoogle4.726
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Winterthurstrasse 13
8413 Neftenbach
Opening hours
Mon
07:00 - 12:00, 13:15 - 17:00
Tue
07:00 - 12:00, 13:15 - 17:00
Wed
07:00 - 12:00, 13:15 - 17:00
Thu
07:00 - 12:00, 13:15 - 17:00
Fri
07:00 - 12:00, 13:15 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.788.695
Founded
1969 · 57 years
Last commercial register change
September 14, 2018
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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