Charles Russell Speechlys AG is well-placed to advise on cross-border wealth structuring and planning. With a focus on international tax, family law, and private wealth disputes, the team advises a diverse range of clients, including individuals, wealth managers, trustees and family offices. The team is co-headed by Michael Wells-Greco and Mark Summers, an expert on the taxation of gifts, estates and trusts. Other prominent individuals include Alice Martin, Grégoire Uldry, and Robert Avis, who is described as the ‘complete package’ for matters with an English-Swiss element. Sirin Yüce was promoted to partner in 2024.
Testimonials
Collated independently by Legal 500 research team.
‘I worked with Sirin Yuce, whose approach is technical, yet pragmatic. ’
‘Mark Summers has an excellent understanding of the US gift/estate tax system and income taxation of trusts which makes him wonderful to collaborate with on cross border issues touching the US. While Mark's understanding avoids missteps in his initial advice, he is very clear in not stepping into giving US advice. Mark is very easy to work with and ensures that the client needs and best results come first.’
‘Michael Wells Greco stands out for his deep expertise in estate planning and exceptional interpersonal skills. His ability to communicate fluently in multiple languages makes him particularly well-suited to working with international clients on sensitive estate matters. His efficiency and client-centric approach further enhance his reputation as a trusted advisor'
‘The private client team is quite sophisticated. Of course they work according to the international standards but they add an approach which shows they high skills and brilliant approach to the matters.’
‘Very personal approach, fast and straightforward advice, solutions oriented, pragmatic, excellent network to find the right person for the client and issue’
‘They are lucky to have a number of highly motivated, experienced and extremely competent staff members, at all levels from Associate right through to Partner.’
‘The team has real strength in depth, from top to bottom, and an ability to combine practice areas and jurisdictions seamlessly. An outstanding international reach that makes them the natural port of call in the most complex of cross-border matters.’
‘Rob Avis is the complete package - he combines fantastic judgement and deep knowledge of the law with an approachable manner and unwavering commitment to his clients. A go-to for any matter with English and Swiss crossover.’
Practice head
The lawyer(s) leading their teams.
Michael Wells-Greco, Mark Summers