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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryCrafts & TradesElectricianAdliswilElektro Summa AG
Elektro Summa AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Elektro Summa AG is the provision of electrical installations and services for private individuals, administrations, and companies. This includes, in particular: electrical installations for new buildings and renovations, repairs and maintenance of electrical systems, installations of lighting systems, security technology, and smart home solutions, conversions to LED lighting and installation of emergency lighting, burglary prevention and video surveillance, installations of heat pumps and PV systems, electric vehicle charging management and building automation, telephone and television installations, as well as UKV and network installations. The company thus offers a wide range of electrical services tailored to the needs of its customers.

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Service area

Offering

Products & services

Industry:Electrician
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Elektro Summa AG

✓ Offered6
Electrical installations
Electrical installations for new builds and renovations, for residential construction—single- and multi-family houses, kitchens, bathrooms—complete renovations and industry; replacement of main distribution boards and metering.
Service & repairs
Installation and mounting of lamps, sockets, shutters and TV; replacement of fuses, as well as bathroom and roof fans; troubleshooting of general faults and moving services.
Lighting & energy efficiency
Lighting concepts, conversions to LED, emergency lighting, heat-pump installations, PV systems with partner companies and EV charging management for single- and multi-point solutions.
Smart home & automation
Building automation, control via smartphone, as well as telephone and TV installations; UKV and network installations for private and business customers.
Security technology
Video surveillance and alarm systems with partner companies, as well as intercom and video intercom systems for buildings and apartments.
Consulting and supplementary services
Advice for additional protection with residual current devices (RCDs), child safety, as well as sound systems (Sonos) and lamp, TV, telephone and internet installations during moves.
Trust & reputation

ranQ Trust Score of Elektro Summa AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 54% · As of November 2026

Elektro Summa AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Elektro Summa AG scores 64.1 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.50.012%
  • 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.55.07%
Elektro Summa AG 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%
Elektro Summa AG scores 2.6 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 35.2.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Elektro Summa AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Webereistrasse 59
8134 Adliswil

At a glance

Legal form
Corporation
UID
CHE-232.826.465
Founded
2023 · 3 years
Last commercial register change
October 18, 2023
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • ZHAdliswil
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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