
Loyens & Loeff's litigation and risk management practice group handles high-profile litigation often with international angles and cross-border elements. Class action litigation is a key focus of the team, alongside its strong commercial, corporate and financial litigation offering. The team is also accustomed to handling corporate restructuring and insolvency disputes and corporate criminal defense matters. The team is jointly led by litigation specialists Sidney Berendsen and Bastiaan Kemp from Amsterdam. Berendsen is a corporate disputes expert and is sought out by clients to represent them in disputes related to M&A, shareholder conflicts and supervisor liability. Co-lead Kemp has been active in corporate governance cases and multi-jurisdictional litigation. Marit Bosselaar is the go-to for ESG and finance-related litigation.
Testimonials
Collated independently by Legal 500 research team.
‘Loyens & Loeff has a very good disputes team. Outstanding knowledge of the law, very responsive and extremely sharp. ’
‘Bastiaan Kemp and his growing team of associates are a real asset when it comes to contentious corporate matters. We see him as an up-and-rising star in the Netherlands. His team is very hard-working and super responsive, the quality of the work has a scholarly level and has always been flawless. Bastiaan is also actively involved in the development of innovative new arbitration rules for corporate law disputes. We would not hesitate to work with Bastiaan and his team again.’
‘Bastiaan Kemp is taking a leading role on the team with great sovereignty and management skills which is impressive given he is at the beginning of his career.’
‘Bastiaan Kemp is super talented, a sharp legal mind and at the same time very client-oriented. Great to work with.'
Key clients
- Former CEO of Airbus
- ICAP plc and ICAP Europe Ltd
- Stichting Pensioenfonds Rail & Openbaar Vervoer
- Ad hoc group of secured lenders of McDermott
- Ernst & Young Auditores Independentes S.S., referred to as: EY Brazil
- Pharmaceutical Research Associates Group B.V.
- Fresh2You B.V.
- Icts International N.V.
- Facebook Netherlands B.V. / Meta Platforms Ireland Ltd.
- Dunea N.V.
Work highlights
- Represented the former CEO of Airbus in a class actions suit denying alleged claims.
- Represented ICAP and ICAP Europe in a class actions suit denying claims concerning alleged manipulation of interest rate benchmarks.
- Represented Ernst & Young Auditores Independentes in litigation against Chinese state-owned company COFCO.
Lawyers

Practice head
The lawyer(s) leading their teams.
Sidney Berendsen, Bastiaan Kemp