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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesRüschlikonBlanc Bautenschutz GmbH
Blanc Bautenschutz GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Blanc Bautenschutz GmbH is the provision of services in the field of building protection and building sealing, in particular: sealing concepts, sealing work, flat roof work, fire protection work, crack injections, fire compartmentalization, joint sealing, groundwater concepts, and PE shafts. The company offers these services for new buildings, renovations, and repairs in the construction and civil engineering sectors.

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Products & services

Industry:Specialized Construction Activities
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4.1/5

Blanc Bautenschutz GmbH

✓ Offered6
Building protection and waterproofing
Building protection and waterproofing for new builds, renovations and refurbishment; waterproofing concepts, groundwater protection concepts, joint sealing, crack injections and detail waterproofing.
Waterproofing concepts
Waterproofing concepts for structures, including conceptual planning and waterproofing detail plans for new construction, conversions, renovations and refurbishment.
Engineering
Engineering for waterproofing and building waterproofing solutions, coordinated with specialist planners and the technical requirements of the structure.
Waterproofing work
Waterproofing work on structures, including sealing joints, penetrations, cracks and other structural connections.
Flat roofing work
Flat roofing work as part of building and property protection, in particular in connection with waterproofing and renovation.
Fire protection work
Fire protection work, in particular firestopping and fire-rated sealing of penetrations and connections.
Trust & reputation

ranQ Trust Score of Blanc Bautenschutz GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Blanc Bautenschutz 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.
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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%
Blanc Bautenschutz GmbH scores 83.0 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.55.07%
Blanc Bautenschutz GmbH 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%
Blanc Bautenschutz GmbH scores 7.1 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 35.7.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Blanc Bautenschutz GmbH 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.

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Location

Riemenstrasse 1a
8803 Rüschlikon

At a glance

Legal form
Limited Liability Company
UID
CHE-112.973.602
Founded
2006 · 20 years
Last commercial register change
December 7, 2017
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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