Marleen Velthuis leads our Corporate Investigations, Compliance & Defence team and Corporate Criminal Defence team in the Netherlands. Marleen advises companies and their employees in the context of administrative enforcement actions and criminal investigations following alleged violations of anti-money laundering and sanctions regulations, environmental law and safety regulations. Marleen also represents global corporates in cross border corruption cases, handles tax cases and other white-collar crime matters.

Recent work of Marleen includes:

• Advising several banks, financial institutions and Big Four accounting firms on compliance with AML and sanctions regulations;
• Representing an international operating company after allegations of public and commercial bribery abroad;
• Representing companies in the energy sector following allegations of non-compliance with environmental regulations.

Marleen is a board member of the Environmental Law Association (VMR), a member of the Netherlands Bar Association, the Netherlands Association of Defence Counsel (NVSA) and the Environmental Lawyers Association (VMA) and leads the Dutch chapter of the Women’s White Collar Defense Association (WWCDA). She regularly publishes on selected topics of environmental crime in Milieu & Recht and frequently speaks at conferences about administrative enforcement actions and criminal law cases.

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Memberships

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Dutch Bar Association
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Environmental Law Association (VMR) (board member)
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Netherlands Association of Defence Counsel (NVSA)
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The Environmental Lawyers Association (VMA)
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The Women’s White Collar Defense Association (WWCDA) (leads the Dutch chapter)
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Qualifications

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LLM, Law, Rijksuniversiteit Groningen (cum laude)
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Specialization Criminal law, Willem Pompe Institute, 2017-2018

What others say

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Marleen Velthuis named "Next Generation Partner" in Fraud and White-Collar Crime
Legal 500 - EMEA (2023)
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According to the Legal 500 guide, clients describe Marleen as a lawyer with 'excellent knowledge of corporate criminal law, and especially environmental criminal law' (2022) and a 'fast-thinking lawyer and very pleasant to work with' (2021). Clients appreciate her professional yet personal approach and her in-depth understanding of the position of clients facing criminal allegations.
Legal 500 - EMEA (2022)
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Marleen Velthuis

Counsel - Attorney at Law

marleen.velthuis@loyensloeff.com

Amsterdam

Dutch, English

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Marleen Velthuis is a member of the Litigation & Risk Management Practice Group in our Amsterdam office. She focuses on corporate criminal law, environmental criminal law and compliance.

Marleen Velthuis leads our Corporate Investigations, Compliance & Defence team and Corporate Criminal Defence team in the Netherlands. Marleen advises companies and their employees in the context of administrative enforcement actions and criminal investigations following alleged violations of anti-money laundering and sanctions regulations, environmental law and safety regulations. Marleen also represents global corporates in cross border corruption cases, handles tax cases and other white-collar crime matters.

Recent work of Marleen includes:

• Advising several banks, financial institutions and Big Four accounting firms on compliance with AML and sanctions regulations;
• Representing an international operating company after allegations of public and commercial bribery abroad;
• Representing companies in the energy sector following allegations of non-compliance with environmental regulations.

Marleen is a board member of the Environmental Law Association (VMR), a member of the Netherlands Bar Association, the Netherlands Association of Defence Counsel (NVSA) and the Environmental Lawyers Association (VMA) and leads the Dutch chapter of the Women’s White Collar Defense Association (WWCDA). She regularly publishes on selected topics of environmental crime in Milieu & Recht and frequently speaks at conferences about administrative enforcement actions and criminal law cases.