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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryIndustryBuilding materials manufacturerDavos FrauenkirchOBT Oberrauch AG
OBT Oberrauch AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

OBT Oberrauch AG operates in the construction materials and construction sectors, producing concrete and supplying sand, gravel and recycled materials. Its services also include transport, excavation and machinery work, snow clearance, demolition, construction-material recycling, and disposal of construction and excavation waste.

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Products & services

Industry:Building materials manufacturer
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OBT Oberrauch AG

✓ Offered7
Concrete
Concrete according to properties, non-standard concrete, coloured concrete, recycled concrete and Swiss-Block concrete block systems; advice on choosing suitable concrete grades and production in the concrete works.
Transport
Dispatch and management of gravel, concrete and transports; skip service for disposals and material deliveries, as well as a transport fleet with 2- to 5-axle vehicles.
Landfill / Disposal
Environmentally friendly disposal and landfilling of construction rubble, excavated material, mixed demolition waste, concrete demolition, rock, stones, steel/scrap and combustible materials.
Recycling
Processing and re-use of construction rubble and demolition material, with the aim of making mineral demolition materials usable again as raw materials for construction.
Demolitions / reconstructions
Planning and execution of demolitions and reconstructions from a single source, including strip-out (interior decoring), hazardous substance testing, material separation and processing of construction rubble.
Snow removal
Snow removal in the Davos region and for the cantonal office for road infrastructure; use of snow blowers, snow ploughs, construction machinery and trucks for winter service.
Machinery
Use of tracked excavators from 1.5 to 26.5 tonnes, as well as mobile plants for crushing stones and gravel and for screening the desired components.
Trust & reputation

ranQ Trust Score of OBT Oberrauch AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

OBT Oberrauch 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%
OBT Oberrauch AG scores 89.3 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.70.07%
OBT Oberrauch 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%
OBT Oberrauch AG scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

OBT Oberrauch 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 November 2026.

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

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Location

Sertigerstrasse 1
7276 Davos Frauenkirch

At a glance

Legal form
Corporation
UID
CHE-103.074.194
Founded
1979 · 47 years
Last commercial register change
July 3, 2025
Employees
11 to 20
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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