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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsRiehenBLANCKARTS GmbH
BLANCKARTS GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of BLANCKARTS GmbH is the provision of consulting, management, trust and architectural services in the field of high-rise construction, particularly in supporting building owners in the planning and implementation of construction projects.

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Products & services

Industry:Architecture FirmsConstruction & Project Management
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BLANCKARTS GmbH

Owner's Representative
✓ Offered4
Advisory, management, fiduciary and architectural services
Advisory, management, fiduciary and architectural services for public institutions, private companies and private individuals across all life-cycle phases of a building.
Client advisory / representation
Client advisory and client representation with needs definition, solution strategies, definition of the organisation, partner selection, involvement of authorities and the public, as well as project reviews and audits.
Architectural services according to SIA Standard 102
Architectural services according to SIA Standard 102, supplemented by evaluation of the planning approach, organisation of competitions and test planning.
Organisation of competitions, test planning and variant procedures
Organisation of competitions, test planning, variant procedures, as well as accompanying project reviews and audits in the planning and construction process.
Trust & reputation

ranQ Trust Score of BLANCKARTS GmbH

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

BLANCKARTS 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%
BLANCKARTS GmbH scores 65.0 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.58.012%
  • 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%
BLANCKARTS 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%
BLANCKARTS GmbH scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

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

Knowledge

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Location

Siegwaldweg 27
4125 Riehen

At a glance

Legal form
Limited Liability Company
UID
CHE-441.826.146
Founded
2022 · 4 years
Last commercial register change
August 25, 2022
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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