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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryCrafts & TradesBuilding installationOberengstringenGB LKS GmbH
GB LKS GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of GB LKS GmbH is the planning, installation, maintenance and repair of ventilation systems and air conditioning systems for buildings. The company also offers consulting and service services to customers in the Oberengstringen region and surrounding areas.

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Service area

Offering

Products & services

Industry:Building installation
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4.0/5

GB LKS GmbH

✓ Offered4
Ventilation systems
Ventilation systems for apartments and buildings, including consultation, planning, implementation and professional maintenance.
Air conditioning
Air conditioning for buildings, including installation, maintenance and repair of air-conditioning units, as well as coordinated climate solutions.
Service & maintenance
Regular maintenance and inspection of air-conditioning and ventilation systems, including thorough cleaning, annual subscription and 24-hour service for faults.
Consulting
Consulting on suitable ventilation and air-conditioning systems for buildings, including free initial consultation and personal on-site assessment.
Trust & reputation

ranQ Trust Score of GB LKS GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 54% · As of November 2026

GB LKS GmbH 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%
GB LKS GmbH scores 70.2 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.70.212%
  • 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%
GB LKS GmbH scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
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%
GB LKS GmbH scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

GB LKS GmbH reaches a ranQ Trust Score of 4.0 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

Talstrasse 31
8102 Oberengstringen

At a glance

Legal form
Limited Liability Company
UID
CHE-206.346.656
Founded
2020 · 6 years
Last commercial register change
July 10, 2026
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • ZHOberengstringen
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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