Guillermo's professional practice focuses on tax law. As part of his practice, he provides tax advice to clients in cross-border and domestic mergers, acquisitions and corporate reorganisations and, in general, advises and represents clients in complex tax matters.
Guillermo also advises clients on Mexican customs and foreign trade issues, working together with the firm's international trade experts from other jurisdictions. Guillermo frequently advises banks and financial institutions on various tax matters related to investment banking, securities, commercial banking, syndicated loans, asset management and day-to-day operations. Guillermo has advised numerous clients on customs and foreign trade-related matters, such as the restructuring and expansion of IMMEX operations and has represented clients in customs and foreign trade audits, on administrative customs procedures and on customs-related litigation. Working together with international trade experts (reports above), Guillermo has participated in negotiations with authorities regarding the amendment of rules of origin set forth in free trade agreements entered into by Mexico.
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