Germany

International Tax Review is part of Legal Benchmarking Limited, 1-2 Paris Garden, London, SE1 8ND

Copyright © Legal Benchmarking Limited and its affiliated companies 2026

Accessibility | Terms of Use | Privacy Policy | Modern Slavery Statement

Germany

Heinz-Klaus Kroppen

kroppen.jpg

 

Deloitte Germany

Schwannstrasse 6

40476 Düsseldorf

Germany

Tel: +49 (211) 8772 2241

Fax: +49 (211) 8772 2280

Email: hkroppen@deloitte.de

Website: www.deloitte.de

Heinz-Klaus Kroppen is a tax partner in the tax and legal practice of Deloitte Germany. His work focuses exclusively on international matters, mainly cross-border transactions, acquisitions, and multinational corporations' tax issues.

Heinz-Klaus's clients include several DAX 30 multinationals as well as other Japanese, European and US corporations operating across a wide range of industries, including automobile, machinery, manufacturing, airlines, utilities, chemical and pharmaceutical, IT and others.

Heinz-Klaus is a lawyer and a member of the Düsseldorf Bar. He is also a licensed tax adviser. Recognition as an industry leader has led to his inclusion in the Guide to the World's Leading Tax Advisers and the Guide to the World's Leading Transfer Pricing Advisers.

Heinz-Klaus is editor and co-author of the leading German publication on transfer pricing, Handbuch Internationale Verrechnungspreise. He also co-authored the German chapter in the International Bureau of Fiscal Documentation's (IBFD) loose-leaf publication, The Tax Treatment of Transfer Pricing, and in Robert Feinschreiber's book, Transfer Pricing International. He is also editor and co-author of DBA-Kommentar, a leading German publication on double taxation treaties.

Heinz-Klaus is a member of the tax board of the American Chamber of Commerce in Germany, a member of the board of the German International Fiscal Association (IFA), of the board of the Association for International Taxation Rhein-Ruhr as well as a member of the Transfer Pricing Advisory Board of the IBFD. He was a member of the EU Joint Transfer Pricing Forum along with 15 other business experts from Europe for almost nine years, from 2002 until the first quarter of 2011. Furthermore, he is a professor of international tax law at the Ruhr University in Bochum.

Heinz-Klaus studied law at the universities of Kiel, Hamburg, Cologne and later clerked at the German Tax Court in Düsseldorf and at the German/Korean Chamber of Commerce and Industry in Seoul. During this time, he wrote a dissertation on company and tax law problems for which he was awarded his PhD in law. Heinz-Klaus later attended Georgetown University Law School (Washington DC) for postgraduate studies, receiving an LL.M. in international law.

deloitte.jpg



Jan Uterhark

uterhark.jpg

 

Deloitte & Touche GmbH Wirtschaftsprüfungsgesellschaft

Dammtorstraße 12

20354 Hamburg

Germany

Tel: +49 (0)40 32080 4918

Email: juterhark@deloitte.de

Jan Uterhark is a director in the business tax area in the private company services line for Deloitte Germany. He also heads Deloitte's competence centre for tax litigation in Germany.

Jan joined Deloitte in 2012 and previously has nine years of experience as a judge at the Fiscal Court in Hamburg and six years of experience at the fiscal authorities in Hamburg.

Jan's areas of expertise include procedural law, corporate and income tax law, foreign tax and European law, tax assessment objections, fiscal court proceedings and appeals, tax field audit consulting, and tax expert opinions.

He is a published author in technical literature as well as a lecturer at the University of Hamburg, faculty of law, and other conferences.

Jan graduated as a lawyer, is a certified tax adviser, and also holds a diploma in fiscal affairs (Diplom-Finanzwirt).

deloitte.jpg



Burkhard Binnewies

Streck Mack Schwedhelm Rae

Dieter Birk

P+P Pöllath

Eugen Bogenschütz

Allen & Overy

Gero Burwitz

McDermott Will & Emery

Stephan Busch

Dentons

Uwe Clausen

Oppenhoff & Rädler

Wilhelm Haarmann

Linklaters

Thomas Küffner

Küffner Maunz Langer Zugmaier

Nicole Looks

Baker & McKenzie

Stefan Maunz

Küffner Maunz Langer Zugmaier

Dirk Pohl

McDermott Will & Emery

Ulrich Raensch

Baker & McKenzie

Juergen Schimmele

EY

Ulrich Sorgenfrei

Ulrich Sorgenfrei

Gerhard Specker

P+P Pöllath

Thomas Streit

Küffner Maunz Langer Zugmaier

Alexander Voegele

NERA

Klaus Von Brocke

EY

more across site & shared bottom lb ros

More from across our site

If Trump continues to poke the world’s ‘middle powers’ with a stick, he shouldn’t be surprised when they retaliate
The Netherlands-based bank was described as an ‘exemplar of total transparency’; in other news, Kirkland & Ellis made a senior tax hire in Dallas
Zion Adeoye, a tax specialist, had been suspended from the African law firm since October over misconduct allegations
The deal establishes Ryan’s property tax presence in Scotland and expands its ability to serve clients with complex commercial property portfolios across the UK, the firm said
Trump announced he will cut tariffs after India agreed to stop buying Russian oil; in other news, more than 300 delegates gathered at the OECD to discuss VAT fraud prevention
Taxpayers should support the MAP process by sharing accurate information early on and maintaining open communication with the competent authorities, the OECD also said
The Fortune 150 energy multinational is among more than 12 companies participating in the initiative, which ‘helps tax teams put generative AI to work’
The ruling excludes vacation and business development days from service PE calculations and confirms virtual services from abroad don’t count, potentially reshaping compliance for multinationals
User-friendly digital tax filing systems, transformative AI deployment, and the continued proliferation of DSTs will define 2026, writes Ascoria’s Neil Kelley
Case workers are ‘still not great’ but are making fewer enquiries, making the right decision more often and are more open to calls, ITR has heard
Gift this article