Catalina Mandujano Ortiz is an attorney in Holland & Knight's Mexico City office. Ms. Mandujano focuses her practice on local and international taxation. She provides advice regarding how to duly comply with the legal tax provisions, how to support their transactions, how to prepare and avoid any future contingencies and at last how to defend their rights as Mexican tax payers.

Ms. Mandujano is experienced in tax consulting and assists Mexican residents on day-to-day operations and specific circumstances to avoid unfavorable tax consequences. She also assists U.S. and international clients on all facets of entering, establishing and running a business in Mexico and uses that knowledge to anticipate tax effects on operations. She also has significant knowledge of Mexican taxation, especially related to the oil and gas industry, and the consequences that derives for a specific tax regime.

In addition, Ms. Mandujano has a significant background in tax controversy, serving as part of the lead counsel team within audits procedures, significantly reducing tax assessments and preparing the companies for a possible trial. She defends clients through administrative appeals, administrative trial, constitutional trials and other amicable means, including settlement procedures or bilateral advanced pricing agreements under several tax treaties concerning intercompany operations.

Prior to joining Holland & Knight, Ms. Mandujano worked in law and accounting firms, which gave her an understanding of the technical implications of taxes within business and the interpretation of tax law.


  • Maastricht University, Certificate, International Tax
  • Universidad Panamericana, LL.M.
  • New York University, Certificate, U.S. Tax
  • Universidad Panamericana, J.D.
Bar Admissions/Licenses
  • Mexico
  • International Fiscal Association's Women of IFA Network (WIN)
Honors & Awards
  • The Best Lawyers in Mexico, Tax Law Ones to Watch, 2023, 2024
  • Rising Star, ITR World Tax, 2023
  • Rising Star, Euromoney Tax Experts Guide, 2020-2022


Speaking Engagements