Who We Are

Interexpert Treuhand is a fully licenced accounting, tax consulting and auditing firm based in Vienna, Gierstergasse 6, 1120. Interexpert is owned by three partners and employs thirty professionals in the fields of accounting, wage accounting and tax consulting.


The firm has been set up in 1946 and exists in its present legal form since 1967. In 1985 it joined an international association of independent accounting, consulting and auditing firms, then called IA Polaris. After several mergers the association is now called PrimeGlobal. It is the 3rd largest association of accounting firms in the world, providing member firms and their clients a powerful pipeline to share ideas and business opportunities. With roots extending back to 1977, the association in its current form was created in 2011 by the merger of three prominent industry associations – Polaris International, Fidunion International, and IGAF Worldwide. Today, PrimeGlobal numbers over 350 member firms in 85 countries, with more than 800 offices, 2,200 partners, and 17,000 staff.  


International Services

Interexpert Treuhand offers the full range of accounting, tax consutling and auditing services to companies and individuals. Moreover the firm is specialiced in international tax consulting, transfer pricing, holding structures


Interexpert Treuhand also acts as seat for a number of holding companies for international groups.



Interexpert Treuhand Steuerberatungsgesellschaft m.b.H. & CO. OG is an independent member firm of PrimeGlobal, a worldwide association of independent accounting firms and business advisors.
PrimeGlobal does not and cannot offer any professional services to clients.
Each independent member of PrimeGlobal is a separate firm and an independent legal entity.
PrimeGlobal is not a partnership and independent member firms are not acting as agents of PrimeGlobal or other independent member firms.


Interexpert ist eine Wirtschaftstreuhand­gruppe, die für ihre Klienten aus Industrie und Handel, aus dem Finanz-, und Dienstleistungsbereich, sowie
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