Mathias Grzesiek
Rosinus PartnerFrankfurt-based white collar criminal law and compliance boutique Rosinus Partner demonstrates particular expertise in supporting digital compliance issues, including IT and cybersecurity as well as crypto-related matters. The team also advises on supply chain due diligence, compliance management systems, whistleblower protection and anti-money laundering. The practice is co-lead by criminal lawyers Christian Rosinus and Mathias Grzesiek. Mirjam Steinfeld (EU sanctions, anti-money laundering) was appointed to salary partner in February 2024.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- 'Committed, motivated and highly qualified team that is available at any time!'
- 'The young team at Rosinus Rechtsanwälte is highly specialised and very approachable. Our collaboration is always pleasant, especially when dealing with complex issues and the search for innovative solutions, and has been consistently successful so far.'
- 'The team around Christian Rosinus and Mathias Grzesiek has extensive experience with complex issues and corresponding procedures. Both individual and corporate representation are their strengths.'
- 'We work particularly frequently with Janina Brandau and Mathias Grzesiek and are consistently impressed by their approachability and practice-oriented solutions.'
- 'Excellent team, characterized by the most diverse characters and thus achieving excellent results!'
- 'The team is fast, works effectively and always has the best result for the client in mind.'
- 'Mathias Grzesiek always keeps track of changes in digital topics. In-depth knowledge of the digital world is required everywhere. Added to this is his expertise in cybersecurity.'
- 'Christian Rosinus is an expert in his field with a very good understanding of the clients' financial situation.'
Key clients
- Condor Flugdienst GmbH
- Frosta AG
- MHI Gruppe
- VDE
- Magura Bosch
- GEW Wilhelmshaven
Lawyers
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Christian Rosinus
Rosinus Partner