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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureLandscapingOltingenGysin & Brenna AG
G&
Verified· 1 sourceTrust ScoreNo score yet

Gysin & Brenna AG

Summary

About the company

The purpose of the company is to provide services in the maintenance of buildings. Furthermore, the company aims to offer services in the field of design and maintenance of environments, provide services in the field of municipal work, mechanics, IT, manage and sell real estate, as well as trade and sell products from the construction industry. The company may establish branches in Switzerland and abroad, participate in other companies in Switzerland and abroad, acquire or merge with similar or related companies, and enter into any business and conclude contracts that are suitable to promote the purpose of the company or are directly or indirectly related to it. It may acquire, manage, encumber and dispose of properties, copyrights, patents and licenses of all kinds.

Commercial register, canton of BL·As of October 14, 2020View on Zefix
Presence

Service area

Trust & reputation

ranQ Trust Score of Gysin & Brenna AG

Trust Score
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A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Website authority, Media authority

Data basis 50% · As of November 2026

Gysin & Brenna 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 & Brenna AG scores 85.5 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.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.55.07%
Gysin & Brenna AG scores 60.0 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).60.022%
Gysin & Brenna AG has no value in the Visibility area of the ranQ Trust Score because no data is available. The area carries 8% 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
  • Website authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 50%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Website authority, Media authority. As of November 2026.

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

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Location

Hauptstrasse 50
4494 Oltingen

At a glance

Legal form
Corporation
UID
CHE-107.945.600
Founded
1980 · 46 years
Last commercial register change
October 14, 2020
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • BLOltingen
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%

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