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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryElectrical IndustryMünchensteinErnst Selmoni AG
Ernst Selmoni AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Ernst Selmoni AG develops and implements electrical engineering solutions, providing design, prefabrication, installation, automation and maintenance services for private and corporate clients.

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Offering

Products & services

Industry:Electrical Industry
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Ernst Selmoni AG

✓ Offered12
Electrical installation
Industrial installation, building technology installation and building services for business customers; planned, calculated, installed, commissioned and carries out maintenance work on production and industrial facilities.
Electrical building service
Electrical building service for private customers, including troubleshooting, repairs and support with electrotechnical matters in the house or flat.
Electrical engineering
Planning, calculation and project-based development of electrotechnical solutions for companies, workshops, office areas and complex construction projects.
Building automation
Automation solutions for buildings, including intelligent controls and networked systems for offices, industry and smart-building applications.
ICT and network installations
Network installations, building informatics and IT & network services for voice, data and communications infrastructure using copper and fiber-optic cabling.
Electrical inspection
Electrical inspections and safety tests for electrical installations, complemented by lightning and surge protection.
Lighting technology
Lighting solutions for private and business customers, including custom-made lighting and lighting design for buildings and rooms.
Switchgear construction
Switch cabinet construction for series production as well as plant construction with custom manufacturing and UL certifications.
Renewable energies and E-mobility
Photovoltaics and charging stations for electromobility; for business customers, additionally E-mobility solutions using renewable technologies.
Building informatics and communications technology
Voice and data networks, building informatics and fiber-to-the-home solutions for the digital infrastructure of buildings.
Automation and systems technology
Automation and systems technology for industrial applications, buildings and technical installations with project-based implementation.
Thermography, network analysis, equipment testing and calibration
Maintenance work and inspection services such as thermography, network analysis, equipment testing and calibration for electrical installations and equipment.
Trust & reputation

ranQ Trust Score of Ernst Selmoni AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 100% · As of October 2026

Ernst Selmoni AG scores 76.6 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.60.724%
  • 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.100.010%
  • 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%
Ernst Selmoni AG scores 89.3 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.70.07%
Ernst Selmoni 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%
Ernst Selmoni AG scores 48.6 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 35.97.14%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

Ernst Selmoni AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.2 out of 5 stars from 65 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.2
of 5

Aggregated from 65 reviews across all connected sources

Sources
GGoogle4.265
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

November 21, 2018Media
Selmoni zieht Stadtrand der Altstadt vor: Neuer Firmensitz soll 2020 stehen
bzbasel.ch
November 21, 2018Media
Selmoni baut seinen Hauptsitz im Baselbieter Filetstück
wochenblatt.ch

Knowledge

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Location

Aliothstrasse 4
4142 Münchenstein
Opening hours
Mon
07:00 - 12:00, 13:00 - 16:30
Tue
07:00 - 12:00, 13:00 - 16:30
Wed
07:00 - 12:00, 13:00 - 16:30
Thu
07:00 - 12:00, 13:00 - 16:30
Fri
07:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.306.699
Founded
1964 · 62 years
Last commercial register change
October 2, 2026
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

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