Global Guide 2026 : Switzerland
Ranked Individual
Provided by Chambers
Archipel is a Geneva-based boutique law firm that displays strength in arbitration cases relating to supply agreements, bilateral investment treaties, post-M&A disputes and construction issues. The team is additionally well versed in sports, mining and energy arbitration and is experienced in ICC and ICSID proceedings. Lawyers in the team also boast expertise acting as sole arbitrators or as president of arbitral tribunals.
Provided by Chambers
The lawyers listened carefully to our position before preparing the case. They clearly explained their strategy so that we could follow them.
The international background of Archipel's team members is a true added value.
Archipel's strengths are its availability, knowledge of the case and attention to detail. The lawyers are also quick and reliable.
Archipel offers international experience and a team of experts who are very dynamic and reactive.
The team goes beyond legal analysis to understand each client’s unique needs and context, offering tailored, hands-on support throughout the process.
Provided by Chambers
Guillaume Tattevin regularly advises clients on ICC and ICSID proceedings and demonstrates particular strength in international cases. He draws upon his expertise to act on mandates that relate to shareholder disputes, investment arbitrations and sport proceedings.
Guillaume Tattevin is sharp and highly knowledgeable in international arbitration proceedings.
Guillaume is a true professional, with many resources and an eye for the most minute details.
Guillaume is extremely bright, helpful and reactive, making me feel very relaxed in his hands.
Arbitration Counsel
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