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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryFinance & InsuranceAccountantItingenTIAMAT Treuhand AG
TIAMAT Treuhand AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

TIAMAT Treuhand AG provides fiduciary and advisory services to businesses, families and individuals. Its services include accounting and reporting, tax advice, payroll administration, statutory audits, real estate portfolio management, company formation and restructuring.

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Service area

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Products & services

Industry:Accountant
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TIAMAT Treuhand AG

✓ Offered10
Accounting & Reporting
Financial accounting, annual statements and consolidated reporting — structured for decision-making and compliant with Swiss CO.
Tax Advisory
Corporate and individual tax planning, optimisation and compliance for Swiss and cross-border situations.
Company Formation
Incorporation of Swiss AG and GmbH, registered office services and ongoing domiciliation.
Payroll
Full payroll administration, social insurance declarations and salary statements, handled with precision.
CFO as a Service
Part-time CFO mandate for growing companies. Financial strategy, investor reporting and treasury management.
Trusts & Estates
Structuring, administration and advisory for estates, foundations and succession planning.
Compliance & Regulatory
AML, KYC, internal controls and regulatory reporting support for Swiss entities.
Real Estate Advisory
Property portfolio management, real estate structuring and transactional advisory for private owners, families and corporate investors.
Liquidation & Restructuring
Orderly winding-down mandates, corporate restructuring and lifecycle management.
Statutory Audit
Limited audit for Swiss companies subject to statutory audit obligations, carried out by audit experts licensed by the RAB.
Trust & reputation

ranQ Trust Score of TIAMAT Treuhand AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

TIAMAT 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.
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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%
TIAMAT Treuhand AG scores 82.3 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.92.512%
  • 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%
TIAMAT Treuhand AG scores 85.0 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).85.022%
TIAMAT Treuhand AG scores 51.4 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 35.51.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

TIAMAT Treuhand 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 54%, so the score is backed by part of the criteria. As of November 2026.

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

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Location

Zelgliweg 3
4452 Itingen

At a glance

Legal form
Corporation
UID
CHE-430.768.562
Founded
2014 · 12 years
Last commercial register change
February 24, 2026
Employees
1 to 10

Active in 1 of 26 cantons

  • BLBasel-Country
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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