
BarentsKrans' class action team is led by finance litigation expert William Schonewille from The Hague. Schonewille acts on behalf of investors, financial institutions and consumers in complex class actions involving banking and securities law. The firm is known for its plaintiff-side work, assisting claimants in major mass claims and class actions in the Netherlands, often with cross-border elements. Martijn van Maanen regularly handles private enforcement cases for claimants and is experienced in assisting clients with multi-jurisdictional claims.
Testimonials
Collated independently by Legal 500 research team.
‘They are a very strong Dutch competition and commercial litigation team. They are thoughtful, commercial, and experienced.’
‘They are distinguishable by their experience on the plaintiff side, in all aspects of litigation, and in their litigation approach where they strike a good balance between strong litigators and focusing on commercial resolution.’
‘BarentsKrans is a specialist in class actions and EU law, which was exactly what we were looking for in a firm.’
'Dedicated, committed, well informed and sharp. The partners who stand out for me are William Schonewille, and Martijn van Maanen.'
Key clients
- Claims Funding Europe
- Claims Funding Europe in Air Cargo
- Macedonian Thrace Brewery
- Stichting Massaschade & Consument
- Pensioenvoldoen
Work highlights
- Represented the SPV Chapelton in proceedings against truck manufacturers that are members of the truck cartel.
- Represented the interests of several hundred corporations, including multinationals, in seeking compensation from the members of the Air Cargo Cartel.
- Represented Stichting Massaschade & Consument in a multimillion-euro class action against Airbnb.
Lawyers

Practice head
The lawyer(s) leading their teams.
William Schonewille