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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryCrafts & TradesElectricianBad RagazSeMa-Elektrokontrollen AG
SeMa-Elektrokontrollen AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

SeMa-Elektrokontrollen AG is an accredited inspection body and an independent control organisation holding control authorisation K-253231 (SIS 0219). It provides safety certificates and tests under the Low-Voltage Installation Ordinance (NIV), including periodic inspections, final and sample inspections, device testing and certification of photovoltaic systems, and issues measurement and test reports.

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Service area

Offering

Products & services

Industry:Electrician
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4.0/5

SeMa-Elektrokontrollen AG

✓ Offered3
Electrical inspections
Periodic inspections, final inspections, random sampling inspections and acceptance inspections of electrical installations; inspections upon change of ownership as well as a proof of safety for residential, commercial and industrial facilities.
Certification of photovoltaic systems
Certification of photovoltaic systems within the scope of electrical inspections; including testing and confirmation of the electrical safety of such systems.
Functional testing of devices
Functional testing of devices in connection with accredited inspections and proof of safety; in addition to the testing of electrical installations.
Trust & reputation

ranQ Trust Score of SeMa-Elektrokontrollen AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of November 2026

SeMa-Elektrokontrollen AG scores 60.4 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.65.024%
  • 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.35.310%
  • 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%
SeMa-Elektrokontrollen AG scores 79.8 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.79.212%
  • 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.55.07%
SeMa-Elektrokontrollen AG scores 86.7 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).86.722%
SeMa-Elektrokontrollen AG scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

SeMa-Elektrokontrollen AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.3 out of 5 stars from 3 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.3
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle4.33
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Marktbündtenstrasse 8
7310 Bad Ragaz
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-179.865.615
Founded
2018 · 8 years
Last commercial register change
July 18, 2025
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • SGBad Ragaz
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.100.03%
    • Full methodology

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