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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryFinance & InsuranceHolding CompaniesBaarTertianum Invest AG
Tertianum Invest AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Tertianum Invest AG provides housing, care and support services for older adults. Its portfolio includes senior residences, senior apartments, care rooms and related services such as dining and medical support.

AI-generated
Offering

Products & services

Industry:Holding Companies
✓ Offered2
Partnerships
Public-Private Partnerships, acquisitions of operating companies and succession solutions, strategic and operational management of the business, developers’ fiduciary services for senior living properties, residential buildings and care centres.
Construction projects
Development and implementation of special real estate for care and senior living, including new construction, replacement construction, acquisitions, portfolio management, and support for new-build and renovation projects.
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4.1/5

Tertianum Invest AG

Trust & reputation

ranQ Trust Score of Tertianum Invest AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

Tertianum Invest 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%
Tertianum Invest AG scores 74.8 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.75.012%
  • 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%
Tertianum Invest 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%
Tertianum Invest AG scores 65.0 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 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.30.04%
Qualifications+0.00

Tertianum Invest AG 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 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

April 1, 2020Media
Tertianum holt Ole Wiesinger als Präsident
medinside.ch
February 5, 2020Media
Tertianum investiert acht Millionen Franken in den Standort Berlingen, inklusive neuem Therapiebad
thurgauerzeitung.ch
December 19, 2019Media
Seniorenzentren als Investment: Tertianum wird wieder weitergereicht
tagblatt.ch

Knowledge

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Comparisons

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Secure profile

Location

Lindenstrasse 14
6340 Baar

At a glance

Legal form
Corporation
UID
CHE-219.660.553
Founded
2019 · 7 years
Last commercial register change
May 2, 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.
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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