Guillermo Sanchez Chao focuses his practice on international trade, customs, supply chain, regulatory matters, and administrative litigation and arbitration. Guillermo counsels domestic and multinational businesses on the development of projects and optimization of strategies that facilitate and make foreign trade transactions more efficient to promote production, importation, and exportation of goods as well as compliance with regulations established in local laws and international treaties signed by Mexico.
Guillermo has more than 35 years of experience handling international trade projects for multinational importers, exporters, manufacturers, retailers, logistics agents, and freight forwarders in industries such as consumer goods and retail, automotive, manufacturing, industrial services, apparel, and technology, among others. His experience also encompasses matters related to supply chain, regulatory law, free trade agreements and rules of origin, export promotion programs and trade certifications, antidumping and countervailing duty trade remedies and litigation, in addition to trade compliance and best corporate practice on such topics.
In the trade and customs litigation field, he handles complex cases before the Mexican courts and tribunals and trade remedies.
Prior to joining Greenberg Traurig, Mr. Sanchez worked for more than 25 years at a local law firm in Mexico.
Concentrations
•Trade policies
•International trade & customs
•Free trade agreements and rules of origin
•Supply chain advisory
•Exports programs, trade certifications and duty savings
•Corrective measures on international trade transactions
•Trade remedies
•Trade, customs and administrative litigation
•Trade and customs compliance and best practices
•Nearshoring
Recognition & Leadership
Awards & Accolades
•Listed, Best Lawyers, 'Best Lawyers in Mexico,' 2008-2026
•Tax Law, 2008-2026
•Trade Law, 2020-2026
•International Trade and Finance Law, 2023-2026
•Customs and Excise Law, 2026
•Listed, Chambers Global, “International Trade/WTO,” 2010-2025
•Listed, Chambers Latin America Guide, “International Trade/WTO,” 2009-2023 and 2025-2026
•Listed, Latin America Corporate Counsel Association, LACCA Approved, Trade, 2025-2026
•Listed, Legal 500 Latin America Guide, “Hall of Fame - International Trade and Customs,” 2023 and 2025-2026