Olivier Weniger

“My passion for the law and for my clients’ cases is what give me the focus I need to fiercely and fearlessly advocate for them.” Since 1995, Marc has gathered a comprehensive expertise in commercial and financial litigation, both civil and criminal, and is recognized as one of Switzerland’s leading specialists in financial criminal law, money laundering, fraud, corruption and criminal organizations. His extensive experience includes international legal assistance in c...

Christophe Buchwalder is a lawyer recognized by Best Lawyers in the practice areas of Banking and Finance Law, Corporate Law and Mergers and Acquisitions Law. Christophe practices law in Geneva, Switzerland Best Lawyers has recognized Christophe Buchwalder since 2014. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Christophe Buchwalder is held by other law...

Kaspar Landolt focuses on banking & finance, capital markets and corporate law. He has more than twenty years of experience in acquisition finance, corporate lending, real estate finance, project finance and asset finance, the issuance and offering of financial instruments, applying for regulatory licenses and other capital market topics as well as restructuring. Other key competencies of Kaspar include insurance, collective investment schemes as well as M&A and corporate law. Kaspar ...

Mathieu Blanc has been practising for many years in the different fields of commercial law. He regularly advises local or international companies in all stages of their constitution and development as well as during corporate transfers and successions or for issues of governance (drawing up shareholders’ agreements, financing, organisation of the board of directors). Mathieu Blanc also advises numerous clients for the drawing up and negotiation of sales contracts. He furthermore assists...

Stefan Brunnschweiler is the managing partner of CMS Switzerland and co-heads the CMS Corporate/M&A Practice Area Group. He was named one of the top 10 lawyers in Switzerland in the edition of “Who is Who” by Bilanz. Stefan Brunnschweiler specialises in international and domestic M&A transactions, venture capital, corporate restructurings, corporate law and general contract matters (e.g. joint ventures, partnerships and shareholders' agreements). He is experienced in a bro...

Manuel Bianchi della Porta advises entrepreneurs and companies. He assists them for their projects and when important operations are ahead (acquisitions, transmissions, restructuring, etc.). He helps them assess risks/opportunities and take difficult decisions. He is also on their side when weather turns bad. His relationship with clients is defined by personal commitment and availability. Recognized for his thoroughness, pragmatic approach and sense of priorities, he never loses sight of the...

Michel Abt is the co-head of the Tax Group and a member of the Banking & Finance Group. He advises both natural persons and legal entities such as banks, family offices and trusts, as well as investors and administrators whether in Switzerland or abroad, with a specific emphasis on asset holding structures. Since 2009, Michel Abt has been advising a large number of French clients in their regularization process and has assisted them with their tax optimisation. He thus addresses all tax m...

Partner Dr Patrick Sommer is Co-Head of the CMS Competition & EU Group. In this position, he jointly leads an international team of more than 170 competition lawyers. Patrick Sommer focuses on competition law, corporate law and M&A. Patrick Sommer has graduated from the University of St.Gallen in 1987 and was admitted to the bar in 1989. He has written his doctoral thesis on the relationship of Switzerland to the European Union and completed postgraduate studies at the Collège ...

Partner Pierre Ducret is a partner and co-head of the Private Clients and Sports Law departments of CMS von Erlach Partners. He advises and assists clients in complex litigation, mainly in civil and commercial matters, usually with international ramifications. He is particularly active in the field of inheritance law. He also acts as counsel or arbitrator in international arbitration proceedings. In addition to his dispute resolution practice, Pierre Ducret advises his clients on wealth and e...

Alexandre Richa is a lawyer recognized by Best Lawyers in the practice areas of Banking and Finance Law, Corporate Law and Regulatory Practice. Alexandre practices law in Geneva, Switzerland Best Lawyers has recognized Alexandre Richa since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Alexandre Richa is held by other lawyers.