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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureFacade constructionFullyBAU-SS Sàrl
BAU-SS Sàrl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

BAU-SS Sàrl specialises in windows, doors, sliding systems and glazed façades. Its services include technical planning, made-to-measure production, supply and installation, as well as adjustments and after-sales support for exterior joinery.

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Service area

Offering

Products & services

Industry:Facade constructionWindow construction
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4.0/5

BAU-SS Sàrl

✓ Offered6
Custom windows
Windows in PVC, aluminium and wood-aluminium, technical study, made-to-measure fabrication, supply, installation, adjustments and replacement of windows.
Custom entrance doors
Entrance doors designed and installed to measure, with natural wood, natural stone or aluminium finishes depending on the aesthetics and the technical constraints of the project.
Sliding glass bays
Sliding glass bays and made-to-measure HST systems, with threshold, ease-of-use and design options for large dimensions.
Aluminium glazed facades
Glazed facades of the curtain wall type, with fixed and integrated opening units, designed and coordinated according to the architectural plan and the project’s technical requirements.
External solar shading
External solar shading such as Z90 louvre systems and motorised solutions, chosen according to the architectural layout and the expected performance.
Fire-rated joinery
Fire-rated solutions EI30 and EI60 according to the project, with system, glazing, hardware and installation validated case by case.
Trust & reputation

ranQ Trust Score of BAU-SS Sàrl: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 54% · As of November 2026

BAU-SS Sàrl 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%
BAU-SS Sàrl scores 72.3 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.75.012%
  • 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%
BAU-SS Sàrl 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%
BAU-SS Sàrl 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

BAU-SS Sàrl 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

Chemin de Plaisance 40
1926 Fully

At a glance

Legal form
Limited Liability Company
UID
CHE-369.057.951
Founded
2019 · 7 years
Last commercial register change
April 24, 2023
Employees
1 to 10

Active in 6 of 26 cantons

  • FRFribourg
  • GEGeneva
  • JUJura
  • NENeuchâtel
  • VSValais
  • VDVaud
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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