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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryIndustryElectronics manufacturerStein Am RheinWenger + Wirz AG
Wenger + Wirz AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Wenger + Wirz AG provides electrical and building technology services. Its activities include electrical installations, telematics, building automation, electric mobility and self-consumption systems, as well as planning, consulting, inspections, safety, maintenance and repairs.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Electronics manufacturer
✓ Offered8
Electrical installations
Electrical installations for residential buildings, commercial buildings, production sites and workshops, as well as lighting, power, network, fire detection and security systems.
Building services
Smart building services with building automation, smart home, KNX, Loxone, WAGO and Siemens Logo for networking, visualization, remote access and control.
Telematics
Telecommunications, VoIP, telephone systems, internet connections, cloud solutions, mobile integrations, UCC, LAN/WLAN networks, VPN, backup, Microsoft 365 and remote support.
E-mobility
Charging infrastructure for electric vehicles at home, at the workplace and in public parking areas, including advice, planning, permits, installation, programming and maintenance.
ZEV systems
ZEV systems for self-consumption communities with advice, planning, site clarifications, metering devices, electrical installations, programming, cloud connections, billing and maintenance.
Service & maintenance
Service, fault finding, repairs, maintenance and servicing for electrical systems with maintenance contracts tailored to needs.
Planning & consulting
Analysis, consulting, concept and strategy, cost estimates, tendering, detailed planning, specialist site management, cost control and as-built documentation.
Inspection & safety
Periodic, independent and final inspections, safety documentation, grid analyses, expert reports, thermography, energy consulting, device testing and maintenance.
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4.1/5

Wenger + Wirz AG

Trust & reputation

ranQ Trust Score of Wenger + Wirz AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 100% · As of November 2026

Wenger + Wirz AG scores 76.3 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.72.324%
  • 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.84.710%
  • 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.78.08%
Wenger + Wirz AG scores 69.7 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.75.012%
  • 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%
Wenger + Wirz AG scores 88.3 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).88.322%
Wenger + Wirz AG scores 40.0 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 35.80.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

Wenger + Wirz AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.5 out of 5 stars from 27 customer reviews. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.5
of 5

Aggregated from 27 reviews across all connected sources

Sources
GGoogle4.527
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

November 28, 2023Media
R. Graf & Co. AG fusioniert mit der Wenger + Wirz AG
schaffhausen24.ch

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Location

Neugass 9/11
8260 Stein Am Rhein
Opening hours
Mon
07:15 - 12:00, 13:30 - 17:00
Tue
07:15 - 12:00, 13:30 - 17:00
Wed
07:15 - 12:00, 13:30 - 17:00
Thu
07:15 - 12:00, 13:30 - 17:00
Fri
07:15 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-162.775.085
Founded
2019 · 7 years
Last commercial register change
October 1, 2019
Employees
1 to 10

Active in 1 of 26 cantons

  • SHSchaffhausen
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.
76.0
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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