Rosinus Partner 's commercial and criminal tax law expertise is called upon by a diverse range of private and public individuals in the context of individual defence, including managing directors, PE managers or influencers, which face allegations of commercial and criminal tax law allegations, whereas traditional diesel emissions, cum-ex and cum-cum proceedings continue to contribute to the team's workload. The renowned commercial criminal lawyer Christian Rosinus jointly heads the practice with Mathias Grzesiek, who focuses on criminal IT and cyber crime as well as data protection, while Janina Brandau, who made partner in January 2023, frequently assists with criminal tax law matters.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • 'Quick perception.'
  • 'Strong communication skills, dynamic, top professional skills.'
  • 'Mathias Grzesiek: Technically outstanding, special expertise in IT and cyber criminal law.'
  • 'Christian Rosinus: Experienced, strong communicator, analyst.'
  • 'It is impressive how Christian Rosinus and his team have established themselves in the criminal defense market and all well-known criminal proceedings in just a few years. The law firm is characterized by the fact that all leading partners are experienced business lawyers who not only know criminal law, but also excel in all related legal areas, such as corporate law, tax law and business law. They have a thorough understanding of complex issues relevant to criminal law.'
  • 'Christian Rosinus is one of the leading charismatic criminal defense lawyers in Germany, who, with his razor-sharp intellect and fluency, is able to understand and analyze complex issues in a very short time.'
  • 'Young, dynamic and extremely qualified team. Client service is very important here.'
  • 'Christian Rosinus: Extraordinarily smart and experienced; a good and trustworthy partner at our side.'

Work highlights

  • Defending the managing director of an international crypto exchange against allegations of money laundering.
  • Advising a managing director of a financial services provider on criminal allegations in connection with the provision of accounts.
  • Defence of a suspect in cum-ex and cum-cum investigations.

Lawyers

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.

Christian Rosinus, Mathias Grzesiek

Other key lawyers

Janina Brandau