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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryReal EstateFacility Management & CleaningBiel/BienneOswald Straub AG
Oswald Straub AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Oswald Straub AG is the provision of cleaning and clearance services for private and commercial customers. This includes, in particular: apartment cleaning, office and business cleaning, moving cleaning, maintenance cleaning, new building cleaning, deep cleaning, cleaning of public facilities, cleaning after water and fire damage, graffiti removal, clearance and disposal, including cluttered households and garden maintenance. The company offers its services in the regions of Biel, Lyss, Grenchen and Solothurn.

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Products & services

Industry:Facility Management & Cleaning
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4.2/5

Oswald Straub AG

✓ Offered4
Building cleaning
Building cleaning for businesses and private clients, including apartment cleaning, commercial and office cleaning, maintenance cleaning, move-out cleaning, new-build cleaning and deep cleaning.
Specialised cleaning
Special cleaning and interventions for water damage, fire damage and public facilities, also available flexibly on weekends, public holidays or outside business hours.
Graffiti removal
Gentle removal of graffiti, spray paint and other markings from façades and other surfaces.
Clearing and disposal
Clear-outs and disposal of apartments, basements and attics, including hoarder households.
Trust & reputation

ranQ Trust Score of Oswald Straub AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Oswald Straub AG scores 72.7 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.80.624%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.55.910%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.70.08%
Oswald Straub AG 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%
Oswald Straub AG scores 85.0 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).85.022%
Oswald Straub AG scores 1.4 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 35.1.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Oswald Straub AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 8 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 8 reviews across all connected sources

Sources
GGoogle58
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Portstrasse 30
2503 Biel/Bienne

At a glance

Legal form
Corporation
UID
CHE-101.337.709
Founded
1996 · 30 years
Last commercial register change
June 22, 2021
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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