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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesCoaching & Personal DevelopmentWidnauBischof - Bischof GmbH
Bischof - Bischof GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Bischof - Bischof GmbH provides consulting and services for the detection and remediation of indoor contaminants. The company focuses on asbestos remediation, mould removal, and surface sealing with nano products, and advises property owners, administrators, planners and construction companies.

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Offering

Products & services

Industry:Coaching & Personal Development
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3.6/5

Bischof - Bischof GmbH

Management Consulting
Other Service Industries
Building Maintenance
Specialized Construction Activities
Wholesale - General Specialty Trade
✓ Offered3
Asbestos Remediation and Mould Removal
Asbestos remediation and mould removal for indoor pollutants, from initial consultation through remediation to inspection and handover for real estate, construction and demolition projects.
Nano Products and Surface Sealing
Nano products and surface sealing for façades, roofs, natural stone, wood, concrete, clinker, plastics and metals on interior and exterior surfaces.
Coaching and Executive Training for Construction Managers
Coaching and executive training for construction managers, focused on leadership skills, responsibility and professional development.
Trust & reputation

ranQ Trust Score of Bischof - Bischof GmbH: 3.6 out of 5.0

Trust Score3.6/ 5.0

Solid

x

Data basis 54% · As of October 2026

Bischof - Bischof GmbH 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%
Bischof - Bischof GmbH scores 50.8 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.25.012%
  • 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%
Bischof - Bischof GmbH scores 83.3 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).83.322%
Bischof - Bischof GmbH scores 0.3 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 35.0.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Bischof - Bischof GmbH reaches a ranQ Trust Score of 3.6 out of 5.0 — rated «Solid». 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.

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Location

Sonnenstrasse 8
9443 Widnau

At a glance

Legal form
Limited Liability Company
UID
CHE-312.782.204
Founded
2025 · 1 year
Last commercial register change
September 23, 2025
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.
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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