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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureNetwork constructionBaselEL-TECH Installationen GmbH
EL-TECH Installationen GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

EL-TECH Installationen GmbH carries out electrical installations for industrial, commercial, residential and other building projects, and provides related service and maintenance work. Its services also include power and low-voltage installations, industrial installations, ICT and fibre-optic infrastructure, structural fire protection, and equipment testing and analysis.

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Offering

Products & services

Industry:Network constructionElectrician
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4.2/5

EL-TECH Installationen GmbH

✓ Offered7
Electrical Installation
Power and low-voltage installations for lighting, building automation and security systems in industry, commercial premises, construction and private households.
Service & Maintenance
Fault rectification and maintenance service for electrical systems, including ongoing maintenance and support.
Industrial Installation
Installations for production halls and MSR wiring in an industrial environment.
ICT Infrastructure Installation
Installation of home networks and area-wide Wi‑Fi on business premises.
Fibre-optic Installation (LWL)
Fibre-optic installations from the home installation to the connection of sites over long distances.
Firestopping
Passive fire protection with planning, professional installation and maintenance.
Equipment Testing & Analysis
E-Check, network analyses, thermography and equipment testing for electrical systems and operating equipment.
Trust & reputation

ranQ Trust Score of EL-TECH Installationen GmbH: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of November 2026

EL-TECH Installationen GmbH scores 68.0 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.67.524%
  • 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.61.010%
  • 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.78.08%
EL-TECH Installationen GmbH scores 86.7 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%
EL-TECH Installationen GmbH 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%
EL-TECH Installationen GmbH scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

EL-TECH Installationen GmbH reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.4 out of 5 stars from 10 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
4.4
of 5

Aggregated from 10 reviews across all connected sources

Sources
GGoogle4.410
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Jacob Burckhardt-Strasse 52
4052 Basel
Opening hours
Mon
07:00 - 12:00, 13:00 - 16:00
Tue
07:00 - 12:00, 13:00 - 16:00
Wed
07:00 - 12:00, 13:00 - 16:00
Thu
07:00 - 12:00, 13:00 - 16:00
Fri
07:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-113.438.151
Founded
2007 · 19 years
Last commercial register change
March 16, 2020
Employees
11 to 20

Active in 1 of 26 cantons

  • BSBasel-City
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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