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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil Engineering FirmsAdligenswilPortmann Planung & Beratung GmbH
Portmann Planung & Beratung GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Portmann Planung&Beratung GmbH is planning and consulting in the construction sector, particularly in the fields of structural engineering, building preservation, high-rise and bridge construction.

AI-generated
Offering

Products & services

Industry:Civil Engineering Firms
✓ Offered5
Construction consulting, design and site supervision
Construction consulting, design and site supervision in the public and private sector; including client support and project management.
Planning and implementation of load-bearing structures
Construction consulting, planning and implementation of load-bearing structures in building and bridge construction as well as in structural preservation.
Client support
Support for clients in the public and private sector; complemented by coordination, process support and project management.
Project coordination and process management
Support and coordination for projects by municipalities, public and private institutions and private investors; information and coordination activities, capacity support, facilitation and mediation.
Settlement and spatial development
Support for settlement and spatial development as well as for coordination of projects across municipalities.
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4.1/5

Portmann Planung & Beratung GmbH

Trust & reputation

ranQ Trust Score of Portmann Planung & Beratung GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Portmann Planung & Beratung 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%
Portmann Planung & Beratung GmbH scores 74.1 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.79.212%
  • 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%
Portmann Planung & Beratung GmbH 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%
Portmann Planung & Beratung GmbH scores 8.3 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 35.8.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Portmann Planung & Beratung 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.

Knowledge

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Location

Parkstrasse 7
6043 Adligenswil
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-346.762.091
Founded
2018 · 8 years
Last commercial register change
September 9, 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.88.06%
  • 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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