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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesSteinhausenSunstone Vermögen & Treuhand AG
Sunstone Vermögen & Treuhand AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of SUNSTONE VERMÖGEN & TREUHAND AG is the provision of trust and family office services, including individually tailored asset management and administration for clients.

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Products & services

Industry:Fiduciary Offices
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Sunstone Vermögen & Treuhand AG

✓ Offered
7
Fiduciary services
Accounting, annual financial statements, real estate management, company formation, domiciliation and secretarial services, as well as board and trustee mandates.
Tax consulting and tax optimization
Tax consulting, tax strategies, tax agreements, optimization of the tax burden, and preparation of the tax return, including deadlines, extensions and tax apportionments.
Asset management
Conservative and long-term asset management with convertible bonds, high-yield bonds, structured products, and controlling with partners.
Financial planning
Individual financial plan for building a house, marriage, children, career changes, early retirement, financing, provision and tax optimizations.
Equity stake management
Monitoring and direct full-scale or supporting management of direct equity stakes by experienced professionals.
Fund promoting and foundations
Solutions for fund formations and foundations, including for company concepts, succession arrangements and tax concepts, with cooperation in the Principality of Liechtenstein.
Guardianship and advisory board mandates
Assumption of complex guardianship and advisory board mandates, including from public authorities, for mandates with corresponding responsibility.
Trust & reputation

ranQ Trust Score of Sunstone Vermögen & Treuhand AG

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, Media authority

Data basis 54% · As of October 2026

Sunstone Vermögen & Treuhand 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.
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%
Sunstone Vermögen & Treuhand AG scores 85.5 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.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%
Sunstone Vermögen & Treuhand AG scores 83.3 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).83.322%
Sunstone Vermögen & Treuhand AG scores 0.0 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 35.0.04%
  • 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.

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Location

Turmstrasse 28
6312 Steinhausen

At a glance

Legal form
Corporation
UID
CHE-109.872.969
Founded
2002 · 24 years
Last commercial register change
May 12, 2021
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.100.06%
  • 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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