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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryCrafts & TradesElectrical Planning & InstallationLiestalGysin-Debrunner AG
Gysin-Debrunner AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Gysin-Debrunner AG is the planning and execution of electrical installation work, including the planning, installation and maintenance of electrical systems in various areas such as residential construction, industry, commerce and household appliances.

AI-generated
Offering

Products & services

Industry:Electrical Planning & Installation
✓ Offered6
Electrical installations for residential construction
Electrical installations for single-family homes and condominiums, including planning, extensions, conversions and new builds; advice on lighting control, shading, audio systems and video intercom systems.
Electrical installations for industry & commercial
Calculation, planning and installation of industrial systems, including heating, refrigeration and ventilation systems, Ex-rated systems, lift/elevator systems, clean rooms, tank storage and production plants.
Service for electrical appliances and building services
Service for electrical appliances in building services, including extensions of lamps and sockets, kitchen and bathroom conversions, heating system refurbishments and устранение/repair of defects from safety inspections.
Communication systems
Planning and installation of fibre-optic cables, UKV networks, Ethernet and LAN cables, multimedia systems, R/TV and broadband systems, PBX/telephone systems as well as xDSL connections.
Consulting for electrical projects
Consulting on general issues, electrical projects, energy optimisations, lighting concepts, periodic inspections, safety checks and photovoltaic systems.
Household appliances with delivery and installation
Sale of household appliances with delivery to your home, installation, connection and commissioning, as well as professional disposal of the old appliance.
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4.1/5

Gysin-Debrunner AG

Trust & reputation

ranQ Trust Score of Gysin-Debrunner AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Gysin-Debrunner 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.
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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%
Gysin-Debrunner AG scores 92.3 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.82.07%
Gysin-Debrunner AG scores 83.3 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).83.322%
Gysin-Debrunner AG scores 13.4 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 35.13.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Gysin-Debrunner AG reaches a ranQ Trust Score of 4.1 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 October 2026.

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

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Location

Nelkenstrasse 12
4410 Liestal

At a glance

Legal form
Corporation
UID
CHE-102.484.603
Founded
1973 · 53 years
Last commercial register change
April 30, 2026
Employees
21 to 50
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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