With extensive expertise in criminal tax law, De Roos & Pen is a boutique criminal law firm that specialises in complex fraud cases. The team frequently conducts internal investigations for the financial sector and advises on compliance and corporate governance issues. Lisa van der Wal is experienced in international fraud matters, including money laundering, corruption, and document forgery. Niels van der Laan is ‘a highly intelligent and skilled attorney’ who regularly acts in high-profile criminal defence cases. Other prominent members of the team include Marnix van der Werf, who has more than 25 years of experience navigating criminal cases, and Thomas Felix, who is recommended for multijurisdictional compliance issues.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘Niels van der Laan is the one you want on your side in criminal matters. Niels is a highly intelligent and skilled attorney. He understands both the law and the client. He manages expectations and goes all the extra miles in order to achieve the best outcome possible.’
  • ‘Lisa van der Wal is, in my experience, an outstanding and very experienced lawyer. She is very well informed on the procedures and important "do's and dont's" of court.'
  • ‘Brendan Newitt is extremely well-versed in matters relating to cyber-crime, modern investigative techniques, and EU-law. Niels van der Laan is very analytical and detail-focused and finds openings and opportunities where no-one else can. Jantien Dekkers is smart, creative, diligent, and fearless; I would recommend her without a doubt.’
  • ‘An excellent team who works well with others on international criminal cases.’
  • ‘De Roos en Pen Advocaten has a team that can cover every problem related to fraud and white-collar crime. They have accumulated decades worth of experience for not just the legal issues, but the accompanying practical considerations. The combination of legal skills and practical experience is unrivalled.’
  • ‘The firm is highly skilled in fraud and white-collar crimes.’
  • 'This is a boutique firm that specialized in criminal law with a focus on white collar crime. Substantively very knowledgeable, they definitely belong to Tier 1 in the Legal 500.'
  • ‘De Roos & Pen is extremely good at what they do. They are knowledgeable, responsive, calm, determined and easy to work with.’

Lawyers

Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head

The lawyer(s) leading their teams.

Lisa van der Wal, Niels van der Laan

Other key lawyers

Thomas Felix, Jantien Dekkers, Brendan Newitt, Marnix van der Werf