
Bär & Karrer Ltd. offers advice on the full spectrum of private client matters, including wealth, estate and succession planning, tax structuring and trust and estate litigation, as well as family and matrimonial disputes. The team is particularly noted for its cross-border abilities and its presence across all language regions in Switzerland. Tina Wüstemann and Daniel Leu jointly lead the team. Wüstemann has extensive experience across international estate and succession planning issues, as well as contentious trust and estate cases. Leu’s practice encompasses expertise in foundations and trusts, estate matters, wealth planning and art law. Other key team members include Daniel Bader, who provides advice on tax, succession and private wealth structuring. Ruth Bloch-Riemer, Matthias Bizzarro and Hanna Brozzo are also well-regarded for their tax expertise, particularly on a cross-border level.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Lawyer & team quality
Client satisfaction: Sector knowledge
Testimonials
Collated independently by Legal 500 research team.
- 'The team excels at helping high-net-worth individuals and families resolve complex, cross-border challenges, especially when it comes to asset protection and succession planning.'
- 'What really sets them apart is their holistic approach: they provide not just legal solutions but comprehensive advice that takes into account both personal and financial goals, while ensuring that clients receive efficient, well-rounded advice.'
- 'Tina Wüstemann is an excellent and extremely competent lawyer for all estate and inheritance matters on a national and international level.'
- ‘Hanna Brozzo is excellent. She is incredibly efficient and knowledgeable. She is my go-to for my clients who need Swiss tax advice.’
- 'This firm stands out for its strong expertise in international private client work, particularly in cross-border succession and wealth structuring.'
- ‘Daniel Leu has excellent attention to detail. He is one of the easiest Swiss lawyers to work with.’
- 'We worked with Matthias Bizzarro and admired his ability to blend legal expertise with a highly personalised approach, taking the time to understand not only the financial but also the personal aspirations of his clients.'
- ‘Tina Wüstemann truly understands the needs of private clients. She is particularly good in servicing international families which are not acquainted with the Swiss regime.’
- Ruth Bloch-Riemer, in particular, is extremely responsive and gives straightforward and clear advice. Collaborative and creative, she is great to work with and knows her stuff.
- As a lawyer and tax expert, Ruth Bloch-Riemer has extensive specialist knowledge and practical experience (including dealing with the Swiss tax authorities) in the field of private clients. Her working style is characterized by transparency, professionalism, and a focus on results. Thanks to her extensive experience, she always stays on top of things and has a comprehensive understanding of her clients' needs. Cyrill Diefenbacher is responsive and easy to work with. He has valuable experience in dealing with the Swiss tax authorities and is one of the top tax experts for digital assets like cryptocurrencies in Switzerland.
Work highlights
Advised a British UHNWI residing in Switzerland on cross-border wealth and succession planning in relation to his $1bn estate.
Represented the heir of an UHNWI in multiple proceedings as part of a complex inheritance dispute.
Advised a Canadian UHNWI as international lead counsel on the cross-border restructuring of offshore trusts and in global estate and tax planning.
Lawyers
Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.

Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Practice head
Tina Wüstemann; Daniel Leu
Other key lawyers
Daniel Bader; Ruth Bloch-Riemer; Matthias Bizzarro; Hanna Brozzo
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