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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil Engineering FirmsLostorfPlanzer Bauingenieurbüro SIA
Planzer Bauingenieurbüro SIA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Planzer Bauingenieurbüro SIA provides planning and execution services in structural engineering and prepares expert reports as well as economic and risk analyses for architects and private and public clients.

AI-generated
Offering

Products & services

Industry:Civil Engineering Firms
✓ Offered4
Structural engineering
Planning and execution of structural works for private and public clients; economical, material-appropriate and environmentally compatible solutions for regional projects.
Expert reports
Expert reports on building-technology issues, supplemented by expert assessments for clients, architects and other project stakeholders.
Cost-effectiveness analyses
Cost-effectiveness and risk analyses for construction projects, to assess alternatives, scope and project risks.
Risk analyses
Cost-effectiveness and risk analyses for construction projects, for assessing technical and economic risks in planning and execution.
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4.1/5

Planzer Bauingenieurbüro SIA

Trust & reputation

ranQ Trust Score of Planzer Bauingenieurbüro SIA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Planzer Bauingenieurbüro SIA 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%
Planzer Bauingenieurbüro SIA scores 78.5 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%
Planzer Bauingenieurbüro SIA 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%
Planzer Bauingenieurbüro SIA scores 0.6 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 35.0.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Planzer Bauingenieurbüro SIA 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.

Knowledge

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Location

Engelbergstrasse 9
4654 Lostorf

At a glance

Legal form
Sole proprietorship
UID
CHE-112.937.368
Founded
2006 · 20 years
Last commercial register change
May 23, 2006
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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