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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction & Project ManagementSt. GallenProma Immobilien AG
Proma Immobilien AG Logo
Verified· 2 sourcesTrust ScoreNo score yet

Proma Immobilien AG

Summary

About the company

The company's purpose is to carry out operational and general planning, project management and general contracting for all types of investments in construction and civil engineering, as well as the management and administration of properties. The company may establish branches and subsidiaries in Switzerland and abroad and participate in other companies in Switzerland and abroad, as well as conduct all business that is directly or indirectly related to its purpose, in particular also acquire, exploit and sell industrial property rights and know-how. The company may acquire, encumber, sell and manage real estate in Switzerland and abroad. It may also provide financing for its own account or for the account of third parties, as well as enter into guarantees and sureties for parent, subsidiary and sister companies, as well as third parties. Furthermore, the company may engage in all commercial, financial and other activities that are directly or indirectly beneficial to the company.

Commercial register, canton of SG·As of January 21, 2019View on Zefix
Trust & reputation

ranQ Trust Score of Proma Immobilien AG

Trust Score
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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

Proma Immobilien AG 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%
Proma Immobilien AG scores 85.5 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.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%
Proma Immobilien AG scores 80.0 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).80.022%
Proma Immobilien AG scores 0.0 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 35.0.04%
  • 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. Full methodology

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Location

Rorschacher Strasse 304
9016 St. Gallen

At a glance

Legal form
Corporation
UID
CHE-112.663.892
Founded
2005 · 21 years
Last commercial register change
January 21, 2019
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.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
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