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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesElectrical Planning & InstallationRümlangElektro Zollinger Inhaber Birrer
Elektro Zollinger Inhaber Birrer Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Elektro Zollinger Inhaber Birrer is an electrical contractor focused on electrical installations, service, and maintenance. The company also provides solutions for new builds, renovations, smart home systems, networks, e-mobility, and operates an online shop for electrical materials.

AI-generated
Offering

Products & services

Industry:Electrical Planning & Installation
✓ Offered11
Electrical installations
Electrical installations for new builds, conversions and renovations, including subdistribution and main distribution boards, rough-in conduit work and code-compliant execution.
Smart home and building control
Smart-home solutions and building controls for lighting, blinds, heating and other functions, operated via touch panels or mobile devices.
EV charging stations
Planning and installation of EV charging stations, including integration into existing or new electrical systems.
Wi‑Fi and network installations
Wi‑Fi and LAN extensions, commissioning of existing systems, and installation of access points, fibre and network infrastructure.
Maintenance and service
Fault tracing, lamp replacement or LED conversion, fan replacement, and commissioning and functional checks of electrical appliances and connections.
Construction temporary power and industrial work
Installation and rental of construction temporary power supplies from 16A to 1600A or larger, including industrial work and heavy power connections.
Renovations and conversions
Electrical work for renovations and conversions, including kitchen remodelling and distribution board modifications.
New-build installations
Electrical installations for new builds, including main and subdistribution boards, rough-in conduit work and equipment for single-family homes.
LED lighting
LED lighting for warehouses, outdoor areas, bathrooms and interiors, including tube retrofit and other luminaire solutions.
Special controls and systems
Special controls and systems, such as flood and groundwater alarm systems with acoustic, optical and GSM/LTE-supported alerts.
Restaurant and catering conversions
Electrical work for restaurant and catering conversions, including rough construction work in the hospitality sector.
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4.0/5

Elektro Zollinger Inhaber Birrer

Trust & reputation

ranQ Trust Score of Elektro Zollinger Inhaber Birrer: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Elektro Zollinger Inhaber Birrer scores 80.5 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.75.524%
  • 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.80.810%
  • 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%
Elektro Zollinger Inhaber Birrer scores 52.6 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.39.612%
  • 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%
Elektro Zollinger Inhaber Birrer 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%
Elektro Zollinger Inhaber Birrer scores 31.4 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 35.31.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Elektro Zollinger Inhaber Birrer reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.6 out of 5 stars from 23 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 23 reviews across all connected sources

Sources
GGoogle4.623
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Ifangstrasse 3
8153 Rümlang
Opening hours
Mon
07:15 - 12:00, 13:00 - 17:00
Tue
07:15 - 12:00, 13:00 - 17:00
Wed
07:15 - 12:00, 13:00 - 17:00
Thu
07:15 - 12:00, 13:00 - 17:00
Fri
07:15 - 12:00, 13:00 - 15:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-289.372.935
Founded
2024 · 2 years
Last commercial register change
December 19, 2024
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.67.06%
  • 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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