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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryCrafts & TradesElectricianThalwilElektro-Naef AG
Elektro-Naef AG Logo
Verified· 3 sourcesOwner confirmed
Last updatedSeptember 25, 2026

Contact

Summary

About the company

The core activity of the company Elektro Naef is the planning, consulting, installation and commissioning of electrical systems and installations for buildings, including: * Electrical installations * Lighting systems * W-LAN * door automation * shading control * Photovoltaic systems AC * Building automation solutions * Smart home solutions * electric vehicle charging stations * e-Mobility Best quality for the left bank of Lake Zurich. Thalwil, Oberrieden, Horgen, Wädenswil, Rüschlikon, Kilchberg, Gattikon, Adliswil, Langnau am Albis

AI-generated
Presence

Service area

Offering

Products & services

Industry:Electrician
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Trust Score4.5/5

Elektro-Naef AG

Photovoltaics
IT service provider
✓ Offered3
Electrical installations
Electrical installations for new builds and renovations, building refurbishment and conversion of older properties; lighting design, bathroom and kitchen upgrades, and connection of kitchen appliances.
Building services
Building services with safety technology, building automation, smart home, e-mobility, photovoltaics, as well as vehicle charging stations and battery storage.
Telecommunications
Telecommunications solutions with IT networks, telephone systems, VoIP solutions and modern WLAN infrastructure.
Trust & reputation

ranQ Trust Score of Elektro-Naef AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of November 2026

Elektro-Naef AG scores 88.8 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.85.524%
  • 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.97.410%
  • 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.88.08%
Elektro-Naef 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%
Elektro-Naef AG scores 90.0 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).90.022%
Elektro-Naef AG scores 12.9 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 35.12.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.05

Elektro-Naef AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.8 out of 5 stars from 45 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 45 reviews across all connected sources

Sources
GGoogle4.845
★TrustpilotSoon
PProvenExpertSoon

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

Credentials

Certifications & memberships

VSEI, HGV-Thalwil, Gewerbeverein
Knowledge

Articles about Elektro-Naef AG

No articles have been published yet.

Comparisons

Elektro-Naef AG in comparison

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Industry comparisons are coming soon

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Contact

Location

Bönirainstrasse 13
8800 Thalwil
Opening hours
Mon
08:00 - 17:00
Tue
09:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.941.870
Founded
1975 · 51 years
Last commercial register change
March 10, 2021
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

    Active in 1 of 26 cantons · 10 municipalities

    • ZHAdliswil
    • ZHAeugst am Albis
    • ZHHausen am Albis
    • ZHHorgen
    • ZHLangnau am Albis
    • ZHOberrieden
    • ZHRüschlikon
    • ZHStallikon
    • ZHThalwil
    • ZHWädenswil