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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction & Project ManagementLandquartPlan-Idee, Tanja Bischofberger
Plan-Idee, Tanja Bischofberger Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of the company 'Plan-Idee Tanja Bischofberger' is consulting and planning in the field of spatial planning, particularly for projects involving the development of landscape areas, settlements and construction projects. The services include, among other things, the creation of utilization plans, process management, spatial planning, coordination, consulting on building laws and support in the implementation of project ideas.

AI-generated
Offering

Products & services

Industry:Construction & Project Management
✓ Offered4
Advisory, planning and spatial development
Advisory, planning and development of project ideas, from the first concept through planning to the approved project; support with complex spatial planning issues.
Spatial planning and land-use planning
Spatial planning, land-use plans, zoning plan and regional development; coordination and moderation of planning processes concerning settlement development and landscape areas.
Construction and project support
Project support, process management and coordination for construction and planning projects; assistance with implementing projects and achieving planning objectives.
Advisory on building law and building outside the building zone
Advisory on building law, building outside the building zone, business and environment, as well as on planning requirements and framework conditions.
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4.1/5

Plan-Idee, Tanja Bischofberger

Trust & reputation

ranQ Trust Score of Plan-Idee, Tanja Bischofberger: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Plan-Idee, Tanja Bischofberger 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%
Plan-Idee, Tanja Bischofberger scores 72.7 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.86.512%
  • 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%
Plan-Idee, Tanja Bischofberger 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%
Plan-Idee, Tanja Bischofberger 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

Plan-Idee, Tanja Bischofberger 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

Prättigauerstrasse 34
7302 Landquart

At a glance

Legal form
Sole proprietorship
UID
CHE-457.265.348
Founded
2016 · 10 years
Last commercial register change
January 21, 2016
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.
67.0
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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