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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryFinance & InsuranceHolding CompaniesIttigenKolumbus Group AG
Kolumbus Group AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Kolumbus Group AG develops and delivers sustainable residential and commercial real estate, managing projects across the full lifecycle from planning to completion. The company also operates a diversified rental portfolio and offers investment opportunities in its properties.

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Products & services

Industry:Holding Companies
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Kolumbus Group AG

✓ Offered4
Real estate investments
Real estate investments in the Espace Mittelland with a focus on sustainable residential and commercial properties, income-generating assets, development projects and long-term value retention for investors.
Income-generating properties
Income-generating properties in the existing portfolio with rented properties, stable rental income, regular renovations, as well as maintenance and modernisations to secure value retention and efficiency.
Development projects
Development projects for sustainable, affordable residential and commercial properties; planning, delivery, redesign and revitalisation of existing properties with a focus on cost-effectiveness and sustainability.
Reference properties
Reference properties from completed residential projects, individual properties, site developments and conversion projects; sale of already implemented projects as investment opportunities.
Trust & reputation

ranQ Trust Score of Kolumbus Group AG: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

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Data basis 58% · As of October 2026

Kolumbus Group 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%
Kolumbus Group AG scores 59.7 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.39.612%
  • 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%
Kolumbus Group AG 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%
Kolumbus Group AG scores 39.8 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 35.42.94%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.36.74%
Qualifications+0.00

Kolumbus Group AG reaches a ranQ Trust Score of 3.8 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 58%, 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.

Press

Media

July 23, 2026Media
Swiss Estates: Kolumbus Group veröffentlicht Kaufangebot
immobilienbusiness.ch
July 23, 2026Media
Swiss Estates: Kolumbus Group veröffentlicht Kaufangebot
immobilienbusiness.ch

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Location

Talweg 17
3063 Ittigen

At a glance

Legal form
Corporation
UID
CHE-263.601.353
Founded
2024 · 2 years
Last commercial register change
September 2, 2026
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%
    • Full methodology

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