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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,888 companies indexed · Last updated: today
DirectoryCrafts & TradesElectrical Planning & InstallationAarwangenKäser AG, Elektro + Telekommunikation
Käser AG, Elektro + Telekommunikation Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Käser AG, Elektro + Telekommunikation provides electrical installations, telematics/telecommunication systems and building-technology services. The company also delivers photovoltaic systems, electromobility solutions, planning and maintenance services, as well as control and security systems.

AI-generated
Offering

Products & services

Industry:Electrical Planning & Installation
✓ Offered9
Electrical installations
High-voltage and low-voltage installations for residential buildings, industry, commerce and public buildings; lighting and power installations, networks, fire alarm, emergency lighting and security systems.
Telematics
Telecommunications solutions with VoIP, PBX, remote maintenance, data networks, fibre-optic (LWL) connections and conventional telephone systems for home and workplace.
Building services
Building automation with Loxone and KNX, smart home, visualizations, active networks and cloud connections for controllable heating, windows and shutters.
Photovoltaics
Planning and installation of photovoltaic systems for solar power generation, self-supply and energy use of outdoor areas; including a solar calculator on the website.
ZEV systems
Association for self-consumption with consulting, planning, site clarifications, load management, programming, cloud connections, billing and maintenance.
E-mobility
Charging infrastructure for electric vehicles with advice and planning, permits, electrical installation, cloud connections, programming and maintenance.
Service & maintenance
Individual service and maintenance contracts for systems, including maintenance and a 24/7 standby service in emergencies for industry, commerce and residential buildings.
Planning & consulting
Analysis, consulting, concept, cost estimate, tendering, detailed planning, specialist construction management, cost monitoring and audit documents for electrical projects.
Inspection & safety
Periodic, independent and final inspections, earthing measurements, electrical inspections, thermography, energy consulting, expert reports, safety attestations and grid analyses.
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3.9/5

Käser AG, Elektro + Telekommunikation

Trust & reputation

ranQ Trust Score of Käser AG, Elektro + Telekommunikation: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Käser AG, Elektro + Telekommunikation scores 56.6 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.57.924%
  • 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.58.610%
  • 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.50.08%
Käser AG, Elektro + Telekommunikation scores 73.4 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.75.012%
  • 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%
Käser AG, Elektro + Telekommunikation scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Käser AG, Elektro + Telekommunikation scores 51.4 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 35.51.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Käser AG, Elektro + Telekommunikation reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 4.0 out of 5 stars from 9 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
of 5

Aggregated from 9 reviews across all connected sources

Sources
GGoogle49
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Langenthalstrasse 77
4912 Aarwangen
Opening hours
Mon
07:15 - 11:45, 13:15 - 16:30
Tue
07:15 - 11:45, 13:15 - 16:30
Wed
07:15 - 11:45, 13:15 - 16:30
Thu
07:15 - 11:45, 13:15 - 16:30
Fri
07:15 - 11:45, 13:15 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-436.124.009
Founded
2019 · 7 years
Last commercial register change
September 16, 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.76.06%
  • 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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