ranQ
ranQ
ranQ
DirectoryIndustriesPlacesKnowledgeComparisonsSoon
Sign inCheck visibility
ranQHSG Startup LabelRecognised by the
HSG Startup Label

The leading AI company directory, built to boost AI visibility.

DEENFRIT
Product
  • Pricing
  • Directory
  • Industries
  • Trust Score
Company
  • About
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesElectrical Planning & InstallationBernAerni Elektro AG
Aerni Elektro AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The company's core activity includes consulting, planning, installation and service in the field of strong and weak current installations, including: project planning, lighting installations, power and heat installations, electrical safety, building automation, e-mobility, energy management, service and maintenance, emergency services, communication installations, security, and renovation. The company thus offers comprehensive services in the field of electrical engineering and building technology.

AI-generated
Offering

Products & services

Industry:Electrical Planning & Installation
✓ Offered12
Electrical design and planning
Advisory services, project design and planning of electrical installations for new builds and conversions, renovations and heritage conservation projects.
Lighting installations
Advice on luminaires and controls, as well as installation of lighting systems for comfort, wayfinding, workstations, safety and emergency situations.
Power and heating installations
Installation and connection of household appliances, air-conditioning units, heat pumps, ventilation systems, refrigeration systems, as well as machines and equipment for production and industrial facilities.
Electrical safety
Periodic checks of electrical installations, organisation of independent inspections, as well as protection against overvoltage, residual-current faults and fire.
Building automation
Smart home and bus system solutions with KNX, digitalSTROM and Twiline for lighting, shading, security, heating/air conditioning, energy, as well as audio and video.
e-Mobility
Charging infrastructure and charging stations for private individuals, companies, single-family homes, multi-family homes and public parking garages.
Energy management
Controls for self-generated power using PV systems, battery storage, self-consumption, ZEV, load peak management and charging of electric vehicles.
Service and maintenance
Repair, maintenance and testing of power and low-current installations, fault rectification and regular servicing.
Emergency service
Electrical on-call emergency service for the City of Bern and surrounding municipalities, with a central on-call phone number and standby availability outside office hours.
Communication installations
FTTH installations, LAN cabling, WLAN networks as well as intercom and video intercom systems for private individuals and companies.
Security installations
Fire alarm systems, access controls, video surveillance and biometric systems for buildings and facilities.
Electrical retrofit installations
Electrical installations for conversions, for example rough-in work, conduit routing for distribution boards and switch points.
LeadhubOutbound Leads by COHAGA

Looking for direct email addresses and phone numbers?

Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

Discover Leadhub
4.3/5

Aerni Elektro AG

Trust & reputation

ranQ Trust Score of Aerni Elektro AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 100% · As of October 2026

Aerni Elektro AG scores 79.5 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.78.124%
  • 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.76.210%
  • 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%
Aerni Elektro AG scores 92.3 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.82.07%
Aerni Elektro AG scores 86.7 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).86.722%
Aerni Elektro AG scores 33.6 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 35.57.14%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

Aerni Elektro AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 19 customer reviews. 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 19 reviews across all connected sources

Sources
GGoogle4.719
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

August 12, 2014Media
Aerni Elektro ist seit 100 Jahren unter Strom
bernerzeitung.ch

Knowledge

No knowledge articles yet

Once Aerni Elektro AG has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

Aerni Elektro AG in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank Aerni Elektro AG by reviews, experience and specialisations.

Is this your company?

Claim the company profile of Aerni Elektro AG to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Weissensteinstrasse 33
3008 Bern
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-102.007.568
Founded
1975 · 51 years
Last commercial register change
February 6, 2024
Employees
21 to 50
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

    Similar companies

    AS
    A. Steiger Elektro AG
    Bern 8
    EP
    Elektro Paganini AG
    Ittigen
    EW
    Elektro Wüthrich + Flückiger GmbH
    Rohrbach
    BE
    Berner Elektroplanung GmbH
    Gümligen
    SE
    Schulze Elektro AG
    Wyssachen
    BB
    Beat Bürgin Elektro AG
    Spiegel B. Bern
    W+
    WANZENRIED + HESS AG
    Bern
    EL
    Elektro Linder AG
    Lyss