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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentEnergy consultingWeinfeldenBBB Umwelt Portmann
BU
Verified· 1 sourceTrust ScoreNo score yet

BBB Umwelt Portmann

Summary

About the company

Consulting, calculation and support in the environmental field with a focus on construction and energy, such as GEAK, MINERGIE certifications and planning / support of solar systems.

Commercial register, canton of TG·As of May 5, 2021View on Zefix
Presence

Service area

Trust & reputation

ranQ Trust Score of BBB Umwelt Portmann

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, Website authority, Media authority

Data basis 50% · As of November 2026

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BBB Umwelt Portmann 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%
BBB Umwelt Portmann scores 76.4 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.95.212%
  • 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%
BBB Umwelt Portmann scores 60.0 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).60.022%
BBB Umwelt Portmann has no value in the Visibility area of the ranQ Trust Score because no data is available. The area carries 8% 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
  • Website authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 50%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Website authority, Media authority. As of November 2026.

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

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Location

Burgstrasse 3a
8570 Weinfelden

At a glance

Legal form
Sole proprietorship
UID
CHE-497.360.378
Founded
2013 · 13 years
Last commercial register change
May 5, 2021
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • TGWeinfelden
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%

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