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Benefitax GmbH

Auditing & AccountingTaxAdvisoryCorporate FinanceFiduciary & Estate Planning

Contacts

Oliver Biernat

Founder & Managing Director

o.biernat@benefitax.de
+49 6925 622 7610

Languages

Our experts at Benefitax GmbH can help you in:
EnglishGerman

Expert Groups

Auditing, Reporting & ComplianceBest Practices for Professional Services OrganizationsBusiness Development & MarketingCorporate & TechCorporate Governance & ComplianceDebt Collection, Restructuring & InsolvencyEmployment LawGlobal Mobility SolutionsInternational TaxationLeadership & Transformational ChangeM&AReal EstateTrust & Estate Planning

Articles

GGI INSIDER No 140 November 2025

Tips for avoiding an accidental unlimited tax liability of a foreign corporation

Oliver Biernat

26 November 2025

PRESS RELEASE

Three German GGI member firms recognised as Top German Tax Advisory Firms by Handelsblatt

Oliver Biernat, Martin Thieslauk, Andreas Gottmann, Bernhard Schwechel, Tobias Schreiber, Boris Michels

03 April 2025

Particular expertise

Contacts

Oliver Biernat

Founder & Managing Director

o.biernat@benefitax.de
+49 6925 622 7610

General inquiries

Hanauer Landstr. 148a, Frankfurt am Main, Germany
info@benefitax.de
+49 69 2562 27 60

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Legal

© GGI Global Alliance 2025

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GGI Global Alliance AG

Sihlbruggstrasse 140

6340 Baar

Switzerland

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GGI Global Alliance AG is a global Alliance of independent professional firms. GGI Global Alliance AG, a company incorporated in accordance with the laws of Switzerland, operates solely as an administrative resource of the Alliance and therefore provides no legal, audit or other professional services of any type to third parties. Such services are provided solely by GGI member firms in their respective geographic areas. GGI and its member firms are legally distinct and separate entities. These entities are not and shall not be construed to be in the relationship of a parent firm, subsidiary, partner, joint venture, agent or a network. No member firm of GGI has any authority (actual, apparent, implied or otherwise) to obligate or bind GGI or any other GGI member firm in any manner whatsoever, equally, nor does GGI have any such authority to obligate or bind any member firm. All GGI members are independent firms, as such they all render their services entirely on their own account (including benefit and risk), without any involvement of GGI and/or other GGI member firms.