De Roos & Pen

complicated (criminal) cases, complex fraud and money laundering cases (including Fiscal Intelligence and Investigation Service (FIOD) – cases) and general criminal law.

Marnix van der Werf, LL.M., has more than 25 years of experience as a lawyer in criminal law and cases on the brim of criminal law and other judicial areas. His practice includes complex fraud and money laundering cases (including Fiscal Intelligence and Investigation Service (FIOD) – cases) and general criminal law. Van der Werf’s clients include businesses, associations, private individuals, lawyers, notaries and various politicians.

Van der Werf started out in 1995 as a corporate lawyer, for small and medium-sized businesses. His interest in criminal law kept growing however, so in 1999 he decided to shift his focus. He worked at the renowned firm of Ficq Advocaten in Amsterdam as partner/owner until March 2020. Due to this varied background, he is at ease in large scale, technically difficult criminal cases, but also in related cases such as summary proceedings, governmental injunctions against associations and consultancy work for various associations.

Van der Werf’s expertise is extracting the essence from complicated (criminal) cases, and working pragmatically, purposefully and focused, without unnecessary frills. Because of this lengthy experience in sensitive high profile matters he is not only skilled in a judicial way, but also in a (media) tactical manner. He also understands when it is necessary to operate low profile. Van der Werf also litigates at the Dutch Supreme Court. He is a full member of the Association of Cassation Lawyers in Criminal Matters (VCAS), which is the Dutch association for specialists at the Supreme Court.

Apart from this, he is also a board member of the Dutch Association of Criminal Lawyers (NVSA) and is Secretary of the board of the Royal Dutch Mountaineering Association (NKBV). He is also a member of the advisory council of the Law Department of the University of Utrecht. Van der Werf is a regular guest lecturer for various institution, and gives courses on various subjects, including the role of DNA in criminal law.

Dutch Association of Defence Council Dutch Association of Supreme Court Defence Lawyers