The Institut der Wirtschaftsprüfer in Deutschland e.V. [Institute of Public Auditors in Germany, Incorporated Association] (IDW) is a privately run organisation established to serve the interests of its members who comprise both individual Wirtschaftsprüfer [German Public Auditors] and Wirtschaftsprüfungsgesellschaften [German Public Audit firms].
The IDW was established on a voluntary basis rather than having been established under German law. In accordance with its Articles of Incorporation, the IDW does not operate as a commercial business and is a not-for-profit organisation. The IDW's headquarters are situated in Düsseldorf, Germany.
The IDW is a full and founding member of Accountancy Europe, a full and founding member of the International Federation of Accountants (IFAC) as well as a full and institutional member of the International Valuation Standards Council (IVSC).
The IDW, together with the Wirtschaftsprüferkammer [Chamber of Public Accountants] (WPK), is currently a sponsoring organisation of members of the International Auditing and Assurance Standards Board (IAASB), the International Ethics Standards Board for Accountants (IESBA) as well as IFAC’s Small and Medium Practices Committee (SMPC).