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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsMuhenELZ AG
ELZ AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activities of ELZAG include the following areas: * Electrical installations * Telematics * Photovoltaics * Household appliances and services * Building automation and Smart Home solutions (under the smarango brand) * Security and surveillance * IT and networks * Multimedia * Energy efficiency and planning * Repair and consulting services The company thus offers a wide range of services and products in the fields of electrical engineering, energy efficiency and Smart Home solutions.

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Offering

Products & services

Industry:Solar & Photovoltaics
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4.1/5

ELZ AG

✓ Offered12
Electrical installations
Planning and execution of electrical projects for residential and commercial construction as well as industrial facilities, including new builds, renovations and service work.
Photovoltaics
Photovoltaic systems for single-family homes, multi-family buildings and industrial companies, including consultation, planning, installation, maintenance and service.
Battery storage systems
Battery storage systems for photovoltaic installations, with consultation, planning, installation, integration and maintenance for better use of solar power.
Self-consumption optimisation
Solutions for optimising self-consumption of solar power, with energy management, storage integration and adjustment of consumption schedules.
Telematics
Telephony, IT & networks, multimedia as well as security & monitoring, including consultation, planning, installation, extensions and fault rectification.
Telephony solutions
VoIP telephone systems, DSL connections, communication servers, cabling, delivery of the components as well as fault rectification, modernisation and training.
IT and network solutions
Installation and configuration of Internet connections, PCs and peripherals, software, data backup, security solutions and ongoing service.
Security and monitoring solutions
Alarm and security systems, video surveillance, door entry/intercom systems and Ajax solutions for security, fire protection and monitoring.
Building automation
Networked control of lighting, shading, ventilation, heating and monitoring using KNX, Zeptrion, PLCs (SPS) and smart home functions.
Smart Home solutions (smarango)
Connected smart home solutions for controlling lighting, security, multimedia and energy efficiency in the home.
Lighting concepts
Tailored lighting planning for living and working areas with recessed spotlights, wall lights, direct or indirect lighting and dimming or scene controls.
Household appliances & services
Consultation, sales and service for small and large household appliances of all brands, including showroom, replacement units and extended warranties.
Trust & reputation

ranQ Trust Score of ELZ AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 88% · As of October 2026

ELZ AG scores 57.1 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.54.524%
  • 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.63.210%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
ELZ AG scores 87.1 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%
ELZ AG 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%
ELZ AG scores 54.3 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 35.54.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ELZ AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 3.9 out of 5 stars from 11 customer reviews. The data basis is 88%, 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
3.9
of 5

Aggregated from 11 reviews across all connected sources

Sources
GGoogle3.911
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Hauptstrasse 85
5037 Muhen

At a glance

Legal form
Corporation
UID
CHE-109.500.054
Founded
2002 · 24 years
Last commercial register change
March 21, 2025
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.85.03%
    • Full methodology

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