Dr Stefan Hahn

Dr Stefan Hahn is a lawyer and tax adviser who works as a subservice line lead in transaction tax in Düsseldorf. He has more than 20 years’ experience in advising on tax internationally.

He specialises in advising multinational groups and private equity clients. He worked at the German desk for a Big Four accounting firm in New York for a year, where he was able to expand his expertise in cross-border tax issues.

Fields of expertise

• International taxation
• M&A consulting, including vendor and buyer tax due diligence
• Restructuring and transaction advisory (SPA)
• Tax financial advice
• Tax advice for restructuring and reorganisations

Publications

• Stefan Hahn: Strukturierte Finanzierungsgebühren im Lichte der Regelungen zur Zinsschranke und der gewerbesteuerlichen Hinzurechnungsvorschriften (Structured financing fees in the light of the interest deduction ceiling regulations and the trade tax add-back rules), in: Ugb 2014, p. 106.
• Stefan Hahn: Der Verzicht auf die Durchführung der Gewinnabführung als Gestaltungsinstrument bei M&A-Transaktionen (The waiver of profit transfer as a structuring instrument in M&A transactions), in: Ugb 2014, p. 427.
• Tillmann Pyszka/Stefan Hahn, GmbHR, 2010, p. 689: Ausgleichsansprüche bei verunglückter umsatzsteuerlicher Organschaft (Compensation claims in the case of unsuccessful consolidated tax groups)
• Tillmann Pyszka /Stefan Hahn: Steuerliche Organschaft: Die häufigsten Fehler der Praxis (Consolidated tax groups - the most frequent mistakes in practice), in: SR 2009, p. 147.
• Brüggen & Hahn, Ein wertschöpfungsbasierter Steuerzugriff insbesondere auf digitale Geschäftsmodellerzugriff – Aktuelle Entwicklungen im Bereich der Betriebsstättenbesteuerung, [Value Chain-Based Taxation with Particular Reference to the Taxation of Digital Business Models – Current Developments in Permanent Establishment Taxation] in Betriebs-Berater (BB) [Business Advisor] 2020, p. 1047.