LAWYER PROFILE
Ian Muniz

Ian Muniz

Brazil 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 2 practice areas

Tax: Non-contentious

Brazil

18 years ranked

About

Provided by Veirano Advogados

Brazil: Regions

Practice Areas

Corporate & Mergers and Acquisitions

Dispute Resolution - Litigation

Tax & Customs

Wealth and Estate Planning & Family Law

Career

Ian Muniz is the National Practice Group Leader for the Firm’s Tax Practice. He brings more than three decades of experience in resolving tax disputes and structuring businesses to reduce their tax liabilities. He has handled some of the most complex and abstract tax-related transactions for several of world’s leading industrial and natural resource corporations.

Mr. Muniz provides guidance to several companies on the tax implications of both cross-border and in-country mergers and acquisitions and company reorganizations. He is renowned for his efficient assessment of risks and for recommending creative and practical solutions that help his clients achieve their corporate goals and realize significant tax savings. Mr. Muniz has developed special tax structures, served as principal outside tax counsel and handled hundreds of tax controversy issues for foreign companies operating or investing in Brazil. Valued by his clients for his no-nonsense approach and ability to advise all levels of management, Mr. Muniz has represented companies from around the globe including Flextronics, BHP, Kinross, X Group and Vale.

A recognized authority on Brazilian tax laws and their implications, Mr. Muniz has written several books on tax issues that have been adopted by Fundação Getúlio Vargas (FGV), Ibmec and Insper due to his clear and concise explanation of these complicated regulations, making it a highly valued resource by corporate executives. His peers have also recognized for his unparalleled knowledge and experience and he is repeatedly ranked in the top tier by Chambers & Partners.

Early career experience for Mr. Muniz includes tenure as a tax manager and partner at a top international audit firm.

Professional Memberships

- International Fiscal Association (IFA)

- American Chamber of Commerce (AMCHAM), Rio de Janeiro and São Paulo

- International Bar Association (IBA), Tax Law Committee

- World Services Group (WSG)

Brazil: Transactional

Practice Areas

Tax & Customs; Corporate & Mergers and Acquisitions; Dispute Resolution; Power and Wealth and Estate Planning & Family Law

Career

LL.B, Universidade Candido Mendes, Rio de Janeiro, 1977; Comparative Law, Academy of American and International Law, Southwestern Legal Foundation, Dallas, Texas, USA, 1982

Professional Memberships

International Fiscal Association (IFA); American Chamber of Commerce (AMCHAM), Rio de Janeiro and São Paulo; International Bar Association (IBA), Tax Law Committee; World Services Group (WSG)

Chambers Review

Provided by Chambers

Chambers Brazil: Transactional

Tax: Non-contentious - Brazil

Band 4
Band 4

Individual Editorial

Ian Muniz has amassed tax experience in assisting clients with consultancy issues, including tax planning. He also provides advice on the tax aspects of transactions, such as M&A and acts on corporate reorganisations.

Chambers Brazil: Regions

Tax: Rio de Janeiro - Brazil

Band 2
Band 2

Individual Editorial

Ian Muniz is a strong practitioner with excellent experience in tax planning, corporate reorganisation and tax consulting.

Strengths

Provided by Chambers

  • Ian Muniz is a point of reference in his firm and we have plenty of exchanges with him.

    Tax: Non-contentiousChambers Brazil: Transactional
  • The lawyer demonstrates a high level of technical expertise, providing confident guidance and effectively contributing to the strategy adopted in relevant cases. Ian quickly understands our tax issues, identifies legally sensitive points and conducts discussions with objectivity and clarity, supporting confident decision-making.

    Tax: Rio de JaneiroChambers Brazil: Regions
  • Ian is always highly technical, attentive and available to help with our tax woes.

    Tax: Rio de JaneiroChambers Brazil: Regions
  • Ian Muniz is one of the most technical tax professionals I know, distinguished by his deep accounting and legal knowledge. He plays a key role in our company’s most strategic discussions, supported by his academic background and broad recognition in the field.

    Tax: Rio de JaneiroChambers Brazil: Regions

Ranked Individuals at Veirano Advogados (82)

Brazil

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