Guillermo Fonseca


“A lawyer with great knowledge and experience in tax matters.”

– Chambers and Partners Latin America


Guillermo specializes in taxation issues for the financial and insurance industries and has extensive experience in major cross border operations, mergers and acquisitions, and tax structuring.

Guillermo also represents clients in judicial proceeding in Court of Justice, as well as before public and regulatory authorities.

Guillermo has extensive knowledge of tax legislation for Peru, Colombia and Spain, specifically advising clients on the tax effects of investment in these and other South American countries.

Work experience
  • Partner, Bofill Mir & Alvarez Jana Lawyers (since 2012);
  • Associate, Deloitte (2002-2012).
  • Master in Tax Planning Management, Universidad de Santiago (1999);
  • Accepted to practice law by the Supreme Court of Chile (2008);
  • J.D., Universidad de Chille (1995).
Academic activities
  • Professor, ‘Tax and Capital Markets’, Universidad de Chile (2008).
Awards and acknowledgments
  • Chambers and Partners Latin America: Tax (Band 4);
  • The Legal 500: ”Recommended Lawyer”- Tax;
  • Latin Lawyers 250: Recommended in Tax;
  • Best Lawyers: Highlighted in Tax Law.
  • International Fiscal Association (IFA);
  • Chilean Bar Association.