Mario Barrera is a tax attorney in Holland & Knight's Mexico City office. Mr. Barrera focuses his practice on domestic and cross-border tax advisory, planning and strategy. He represents clients before tax authorities in procedures such as tax examinations, administrative appeals, settlements and mutual agreement procedures. Mr. Barrera also has broad experience handling tax treaties, transfer pricing matters and corporate reorganizations.

In addition, Mr. Barrera has authored numerous papers for specialized journals, including Tax Notes International, Puntos Finos, IDC and Practical Mexican Tax Strategies, and is a frequent speaker and lecturer on tax law.

Representative Experience

  • Advised a major U.S. insurance company in a transfer pricing examination with a potential exposure of more than US$100 million
  • Advised a major U.S. real estate investment manager in recovering value-added tax (VAT) favorable balances worth more than US$50 million
  • Advised a U.S. worldwide consumer products company on Mexican tax issues associated with a global corporate reorganization
  • Advised a Spanish group engaged in providing renewable energy in order to recover VAT in excess of US$200 million
  • Advised a Canadian mining group on Mexican tax issues associated with the sale of its Mexican assets
  • Advised several non-Mexican pension plans on the structure of their investments into Mexico in order to claim the relevant tax benefits afforded by the law
  • Represented a global steel manufacturer in a transfer pricing audit which could result in a contingency of several million dollars
  • Advised a Spanish group engaged in e-commerce on the structure of their operations in Mexico from a tax perspective
  • Advised a U.S. real estate developer on the structure of their operations in Mexico, taking into consideration the tax situation of its institutional investors
  • Advised a United Kingdom (U.K.) financial group with regard to its operations in Mexico from a tax perspective
  • Advised a U.K. architectural firm with regard to the tax structure of their operations in Mexican real estate projects
  • Advised a U.S. bottling group in structuring the sale of certain fixed assets in Mexico worth more than US$600 million


  • Universidad Panamericana, LL.M., Taxation, summa cum laude
  • Harvard Law School, Certificate, International Tax Program
  • Universidad de las Américas, J.D., summa cum laude
Bar Admissions/Licenses
  • Mexico
  • Advisory Board, Thomson Reuters, 2023
  • Asociación Nacional de Abogados de Empresa A.C.
  • Barra Mexicana, Colegio de Abogados A.C., Tax Subcommittee of the Fiscal Commission, Coordinator
  • Club Harvard de México A.C.
  • Colegio Nacional de Economistas A.C., Transfer Pricing Committee
  • International Fiscal Association
  • Harvard Law School Student Association A.C.
  • Cámara Franco Mexicana de Comercio e Industria A.C.; Board of Directors, 2021-2023; Legal and Tax Committee, Co-Chair, 2015-2017
  • Colegio de Contadores Públicos de México A.C., Transfer Pricing Committee
Honors & Awards
  • Chambers Global – The World's Leading Lawyers for Business guide, Mexico: Tax: Non-Contentious, 2022-2024
  • Chambers Latin America – Latin America's Leading Lawyers for Business guide, Tax: Non-Contentious, 2022-2024
  • The Best Lawyers in Mexico, Tax Law, 2020-2024
  • Who's Who Legal: Mexico, Corporate Tax, 2015, 2017-2024; Corporate Tax - Controversy, Mexico, 2022
  • Leaders League, Mexico: Tax Law - Corporate Tax, 2021-2024; Tax Law - Major Tax Litigation, 2023, 2024
  • ITR World Tax, Tax Controversy, 2020-2023
  • Certified "Transfer Pricing Expert," Federación de Colegios de Economistas de la República Mexicana A.C.
  • The Legal 500 Latin America, Tax, 2019
  • International Who's Who of Corporate Tax Lawyers, 2012


Speaking Engagements