Wirtschaftsprüferkammer
Wirtschaftsprüferkammer (WPK, German Chamber of Public Accountants) is an organisation of all Wirtschaftsprüfer (public accountants), vereidigte Buchprüfer (sworn accountants) and public accountant/sworn accountant firms in Germany.

Bundessteuerberaterkammer
The chambers of tax consultants are professional administrative institutes of all tax advisors resident in the respective region.

German CPA Society e.V.
Association of Certified Public Accountants in Germany

Institut der Wirtschaftsprüfer
The institute of public accountants, Institut der Wirtschaftsprüfer in Deutschland e.V. (IDW) unites public accountants and public accountancy firms in Germany on a voluntary basis.

AICPA
The American Institute of Certified Public Accountants

Canadian german chamber of industry and commerce