Tax advisory firm · Frankfurt am Main
Casius Treuhandgesellschaft mbH Steuerberatungsgesellschaft
From public informationLast checked:
In short
Tax advisory company in Frankfurt-Innenstadt for mid-sized businesses, self-employed people and private individuals, focusing on international tax. Casius Treuhandgesellschaft mbH Steuerberatungsgesellschaft is located at Kaiserstraße 1, 60311 Frankfurt am Main and can be reached by phone at 069 2426560.
About Casius Treuhandgesellschaft mbH Steuerberatungsgesellschaft
Casius Treuhandgesellschaft mbH Steuerberatungsgesellschaft is based at Kaiserstraße 1 in Frankfurt's Innenstadt district. Its managing directors are Prof. Dr. Andreas J. Grau and Nico Klein. Alongside tax advice, the firm offers business consulting and legal advice as separate service areas.
According to the firm, its clients include internationally active mid-sized groups, small and medium-sized businesses, self-employed people, private individuals and non-profit organisations. The firm prepares tax returns for corporate, trade, VAT, inheritance and income tax, among others, as well as annual financial statements under German commercial and tax law and under international standards.
Further focus areas are tax structuring for transactions and restructurings, business succession, international tax including employee secondments and advice to subsidiaries of foreign companies, financial and payroll accounting, and support during tax audits.
Focus areas of Casius Treuhandgesellschaft mbH Steuerberatungsgesellschaft
The firm names these 7 focus areas on its website. Click one to see every firm in Frankfurt am Main with the same focus.
Firm details
- Firm type
- Tax advisory firm
- Legal form
- GmbH
- District
- Innenstadt
- Responsible chamber of tax advisers
- Steuerberaterkammer Hessen
- Data source
- The firm's legal notice (Impressum)
- Status
- From public information
- Last checked
This entry is based on publicly available information from the firm's own website, not on information supplied by the firm. Last checked on 14 October 2026. You can check an appointment as tax adviser in the official register of the Federal Chamber of Tax Advisers.
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Frequently asked questions
Where is Casius Treuhandgesellschaft mbH Steuerberatungsgesellschaft located?
Casius Treuhandgesellschaft mbH Steuerberatungsgesellschaft is located at Kaiserstraße 1, 60311 Frankfurt am Main. The firm's published phone number is 069 2426560. More information is available on the firm's own website.
What does Casius Treuhandgesellschaft mbH Steuerberatungsgesellschaft specialise in?
According to its own website, Casius Treuhandgesellschaft mbH Steuerberatungsgesellschaft focuses on SMEs, International tax, Private individuals, VAT, Annual accounts, Bookkeeping. The focus areas in this directory are taken from the firm's description of its services and can be corrected by the firm at any time.
Which chamber of tax advisers is responsible for Casius Treuhandgesellschaft mbH Steuerberatungsgesellschaft?
Tax advisers with their practice in Frankfurt am Main are members of the Steuerberaterkammer Hessen (§ 73(1) StBerG). Each adviser's appointment can be checked in the official register of the Federal Chamber of Tax Advisers.