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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureTimber Construction & CarpentryBiascaO.B. SA
O.B. SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of O.B. SA consists of carrying out works in the field of carpentry, roofing and sheet metal processing.

AI-generated
Offering

Products & services

Industry:Timber Construction & Carpentry
✓ Offered11
Timber framing
Timber structures for traditional house roofs, apartment buildings, industrial sheds, farmhouses, garages, arcades and walkways; also lofts, floor slabs, staircases, insulation and cladding.
Roof covering
Roof coverings for roofs with terracotta or concrete tiles, insulated metal sheet panels, flat Eternit sheets and cladding in lock-seam sheet metal.
Building sheet metalwork
Sheet metalwork carried out under in-house supervision, to provide the client or the designer with a complete solution.
Photovoltaic systems
Photovoltaic systems for integration on roofs and roof structures.
Facade cladding
Cladding for facades, ceilings and wood walls, with solutions also for terraces and balconies.
Modular houses
Modular prefabricated houses with custom design projects by architects or clients; also traditional solid-wood chalets.
Prefab chalets
Prefab wooden chalets presented as modular and traditional constructions in solid timber.
Internal and external stairs
Construction of internal and external wooden stairs, integrated into carpentry work and into the buildings.
Sound and acoustic insulation
Sound and acoustic insulation for roofs, walls and other carpentry-related work as well as for interior works.
Interior fit-out
Interior carpentry work and wood finishes for mansard roofs, walls, mezzanines, floor slabs and other internal works.
Technical consulting
Technical consulting for timber framing projects, roof covering and building sheet metalwork.
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4.1/5

O.B. SA

Trust & reputation

ranQ Trust Score of O.B. SA: 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.

O.B. SA 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%
O.B. SA scores 85.5 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.55.07%
O.B. SA 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%
O.B. SA scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

O.B. SA 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.

Knowledge

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Location

Via G. Pioda 97
6710 Biasca
Opening hours
Mon
07:00 - 12:00, 13:30 - 18:00
Tue
07:00 - 12:00, 13:30 - 18:00
Wed
07:00 - 12:00, 13:30 - 18:00
Thu
07:00 - 12:00, 13:30 - 18:00
Fri
07:00 - 12:00, 13:30 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-113.065.311
Founded
2006 · 20 years
Last commercial register change
July 22, 2020
Employees
1 to 10
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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