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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTesting & Inspection CentersArlesheimZ Elektro-Check GmbH
Z Elektro-Check GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of elektro-check GmbH is the execution of electrical inspections, consulting and installation of electronic systems and devices. Specifically, this includes: periodic electrical inspections, acceptance tests, safety certificates, final inspections, lightning protection, device testing, expert opinions and consulting, acceptance and certification of PV systems. The company offers these services to both companies and private homeowners.

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Products & services

Industry:Testing & Inspection Centers
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4.0/5

Z Elektro-Check GmbH

Electrical Planning & Installation
✓ Offered8
Periodic electrical inspections
Periodic safety inspections and safety attestation for electrical installations in residential and commercial properties; inspections according to NIV, for new builds, transfers of ownership and at regular intervals.
Acceptance inspection
Acceptance inspections for newly installed electrical systems; independent inspection within six months after handover, according to the four-eyes principle and with reference to the safety attestation.
Safety attestation (SiNa)
Issuance of the safety attestation after completion of the electrical inspection; testing and documentation for periodic inspections, initial inspections, final inspections and acceptance inspections.
Final inspections
Independent final inspections before handing over completed systems to the owner; inspection based on the safety attestation and for quality assurance.
Lightning protection
Testing of lightning protection systems for compliance with standards and operational capability; inspection to protect people, buildings and systems against lightning strikes.
Equipment inspection
Equipment inspections according to SNR 462638 for machines, systems and electrical devices; recurring safety inspections to demonstrate safe operation.
Expertise and consulting
Expertises and consulting for private individuals, companies and electrical specialists; among other things on grid analysis, electrobiology, electrical thermography as well as load and power quality measurements.
PV acceptance & certification
Acceptance and certification of photovoltaic systems as well as electrical charging stations; installation inspections, EIV-/HKN certifications, training and consulting from planning to acceptance.
Trust & reputation

ranQ Trust Score of Z Elektro-Check GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Z Elektro-Check GmbH scores 73.2 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.72.124%
  • 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.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.95.08%
Z Elektro-Check GmbH scores 67.8 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.64.612%
  • 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%
Z Elektro-Check GmbH 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%
Z Elektro-Check GmbH scores 0.3 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.0.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Z Elektro-Check GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.6 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
4.6
of 5

Aggregated from 9 reviews across all connected sources

Sources
GGoogle4.69
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Eichenstrasse 3
4144 Arlesheim
Opening hours
Mon
07:00 - 18:00
Tue
07:00 - 18:00
Wed
07:00 - 18:00
Thu
07:00 - 18:00
Fri
07:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-228.515.660
Founded
2021 · 5 years
Last commercial register change
October 26, 2023
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.
88.0
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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