external advisor

Mark Nieuweboer (1967) strongly believes that a tax advisor can only be truly successful if, as well as being an expert and creative, he is, above all, capable of really helping his clients in making important decisions.

Mark is a corporate tax expert, both as an independent tax advisor and as a university lecturer. He started his career in 1993 in the corporate tax group of PricewaterhouseCoopers. In 1998 and 1999, he lived and worked in Paris. Shortly after returning to the Netherlands, he joined Deloitte in Rotterdam. Between 2009 and 2018 he worked with Pereira Consultants in The Hague. Throughout his career, he has advised multinational companies in a variety of industries. Having worked on many high-profile transactions, he has particular focus on dispute settlement, transactions, mergers and acquisitions (strategic and private-equity) and business recovery. 

As well as being an independent tax advisor, Mark is a lecturer at Leiden University, where he teaches Corporate Income Tax and International and European Tax. His research focusses on anti-abuse principles in international taxation and he regularly publishes in the major tax journals. 

Mark is a regular annotator of case law and policy in Vakstudie Nieuws and co-author of widely used tax handbooks. Finally, Mark is a member of the International Fiscal Association (IFA), the Dutch Association of Tax Advisors (NOB) and the Association of Tax Research (Vereniging voor Belastingwetenschap).

Specialties: Dispute settlement, tax strategy, transactions, transfer pricing, mergers, acquisitions & restructurings, business recovery, financial transactions.