Trust · Structure · Continuity

Clarity for complex financial realities.

Tiamat Treuhand supports entrepreneurs, families and companies with fiduciary, accounting and advisory services — discreet, precise and long-term oriented.

Services

What we do

From accounting and tax to real estate advisory, statutory audit, restructuring and CFO mandates — ten service areas, one consistent standard of care.

Fiduciary

Accounting & Reporting

Financial accounting, annual statements and consolidated reporting — structured for decision-making and compliant with Swiss CO.

Advisory

Tax Advisory

Corporate and individual tax planning, optimisation and compliance for Swiss and cross-border situations.

Strategic

CFO as a Service

Part-time CFO mandate for growing companies. Financial strategy, investor reporting and treasury management.

See all services →

Approach

How we work

I
Long-term thinking

We take on a limited number of mandates. Depth over breadth.

II
Discreet by design

Client matters stay within these walls. Always.

III
Precision in every detail

Swiss standards are a floor, not a ceiling.

Every relationship we build is designed to last. Not to impress, not to scale; to endure.