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 & InstallationGommiswaldHärz AG
Härz AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Härz AG includes the planning, execution and maintenance of electrical installations, building automation, renewable energies, security technology, IT and telematics for private, commercial and industrial customers throughout Switzerland. This also includes specific services such as photovoltaics, electromobility, smart home, emergency power supply, switchgear, laser engraving, garden lighting, building earthing and device testing.

AI-generated
Offering

Products & services

Industry:Electrical Planning & Installation
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
4.1/5

Härz AG

Solar & Photovoltaics
✓ Offered12
Electrical Installations
Electrical installations for private and commercial customers, including power cables, power connections, lighting, low-voltage installations, switchgear, earthing and service.
Solar PV & Energy Solutions
Advising, planning and implementing photovoltaic systems, including roof-mounted, integrated, flat-roof, industrial, façade and off-grid systems, as well as power storage, emergency power storage, thermal storage and energy consulting.
PV Maintenance and Repairs
Inspecting, cleaning, monitoring and repairing photovoltaic systems, including thermography, system check, maintenance, replacement of defective modules, care of roof greening and snow retention systems.
Electric Mobility
Turnkey electric mobility solutions for single-family homes, multi-family homes, commercial properties and public areas, from planning and installation to operation and service.
Bidirectional EV Charging
Intelligent charging systems for bidirectional charging in single-family homes, multi-family homes, as well as for SMEs and institutions.
Building Automation
End-to-end building automation solutions with KNX, DALI, EnOcean, visualisation, ModBus, M-Bus, remote maintenance, energy management, load management, door intercom systems and multimedia.
Smart Home
Smart home solutions for networked electrical installations, with control of lighting, solar shading, security, heating, ventilation, energy management and multimedia.
Equipment Testing, Rental Service & Training
Equipment testing, electrical inspections, repairs, rental service for test devices, and training for independent equipment testing.
Uninterruptible Power Supply (UPS)
Sizing and installing UPS systems and emergency power generators for single-family homes, multi-family homes, as well as commercial and industrial buildings.
Switchgear
Planning, building and commissioning switch and control systems for residential, commercial and industrial construction, as well as providing service and maintenance.
Security Technology
Tailor-made security systems including burglary and alarm reporting systems, access control, fire detection systems, smoke and heat exhaust, safety lighting, video surveillance and time recording.
IT & Telematics
Communication and networking solutions with communication cabling, mobile communication, switching and routing, IT security, VoIP, UCC, plus consulting, service and maintenance.
Trust & reputation

ranQ Trust Score of Härz AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Härz AG scores 72.2 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.71.024%
  • 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.70.510%
  • 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%
Härz AG scores 76.5 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.70.212%
  • 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.70.07%
Härz AG scores 83.3 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).83.322%
Härz AG scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Härz 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 15 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
4.5
of 5

Aggregated from 15 reviews across all connected sources

Sources
GGoogle4.515
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

No knowledge articles yet

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

Get started
Comparisons

Härz AG in comparison

Soon

Industry comparisons are coming soon

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

Is this your company?

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

Secure profile

Location

Ernetschwilerstrasse 23
8737 Gommiswald
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:00
Tue
08:00 - 12:00, 13:30 - 17:00
Wed
08:00 - 12:00, 13:30 - 17:00
Thu
08:00 - 12:00, 13:30 - 17:00
Fri
08:00 - 12:00, 13:30 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-293.859.703
Founded
2020 · 6 years
Last commercial register change
December 9, 2025
Employees
11 to 20
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

    EE
    Elektro Engler AG
    Rorschacherberg
    EF
    Elektro Frei Rheintal AG
    Grabs
    AE
    Artho Elektro + Telematik GmbH
    Henau
    EC
    Elektro Control Lengwiler GmbH
    Mörschwil
    TE
    TechCom electro ag
    Gossau Sg
    KE
    Kobler Energie AG
    Oberriet Sg
    BE
    Baumann Electro AG
    St. Gallen
    EE
    Elektro Egli AG, Gommiswald
    Uznach