
Counting an array of blue-chip corporations among its key client roster, the ‘world-class’ arbitration practice at Homburger is fully immersed within regulated industries, from nutrition and life sciences to banking and telecoms. Balz Gross, whose arsenal of skills encompass M&A, long-term supply contracts, and joint ventures, and Mariella Orelli, who is highly knowledgeable in the energy and financial services sectors, spearhead the practice. Gabrielle Nater-Bass employs her skills in handling pharmaceutical contracts, distribution contracts, and shareholder agreements, while Felix Dasser is a strong choice for international conglomerates. Stefanie Pfisterer routinely assists clients with disputes arising out of joint ventures, international sales contracts, and agency, with Dilber Devitre also being recommended.
Testimonials
Collated independently by Legal 500 research team.
‘The team is experienced, professional and dedicated.’
‘Mariella Orelli is outstanding. She has the ability to understand the key issues and communicates clearly.’
‘Homburger team are distinguished experts.’
‘Felix Dasser and Stefanie Pfisterer are very familiar with Swiss law and practice such that they are able to provide very solid legal and strategic advice for complex issues.’
‘They are a world-class team in international arbitration in general and Swiss related ones in particular. They have a great reputation and great connections. They have the ability to process and handle complex matters under time pressure and produce high level quality results.’
‘Balz Gross is a master of international arbitration. He has seen and done it all, he is very experienced and knowledgeable and is also very hands on with new developments in the field.'
- 'Gabrielle Nater-Bass is a true leader and a true winner. She is very highly regarded among arbitrators.'
- 'Stefanie Pfisterer is a brilliant legal mind and also hard working. She has vast experience also as an arbitrator and she brings that to the table for her clients.'
Key clients
- FIFA
- Pure Gym
Work highlights
- Advised Google on Ambush Marketing during Olympics 2024.
- Advised European gym operator PureGym on its senior secured notes offering and its new credit facility.
- Represented international sporting goods company in a $300m cross-border dispute related to a distribution agreement with a global sports shoes producer.
Lawyers

Practice head
The lawyer(s) leading their teams.
Balz Gross, Mariella Orelli