LAWYER PROFILE
Marcos Tranchesi Ortiz

Marcos Tranchesi Ortiz

Brazil 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 2 practice areas

Tax: Non-contentious

Brazil

3 years ranked

About

Provided by Madrona Advogados

Brazil: Contentious

Practice Areas

Tax

Career

Marcos has extensive experience in tax litigation, standing out for his strategic approach in both administrative and judicial spheres, including representation before Brazil’s Superior Courts. His expertise is strongly focused on direct taxation, with particular emphasis on income tax matters for individuals and corporations. From 2008 to 2014, he served as a member of the Administrative Tax Appeals Council (CARF) and the Superior Chamber of Tax Appeals (CSRF) at the Ministry of Finance, representing the National Health Confederation (CNS).

Marcos is recognized for his high level of technical proficiency and commercial acumen, as well as for his robust experience managing complex tax disputes in both administrative and judicial courts. He combines the ability to develop strategic and practical solutions for sophisticated tax challenges with a proven capacity to navigate and influence Brazil’s tax landscape, consistently delivering added value to clients.

Personal

Education:

• MBA in International Accounting Standards from Fundação Instituto de Pesquisas Contábeis, Atuariais e Financeiras

• LL.M. in Tax Law from Universidade de São Paulo

• Post-graduation degree in Tax Law from Pontifícia Universidade Católica de São Paulo

• LL.B. from Universidade de São Paulo

Languages Spoken

Portuguese and English

Brazil: Transactional

Practice Areas

Tax

Career

Marcos has extensive experience in tax litigation, standing out for his strategic approach in both administrative and judicial spheres, including representation before Brazil’s Superior Courts. His expertise is strongly focused on direct taxation, with particular emphasis on income tax matters for individuals and corporations. From 2008 to 2014, he served as a member of the Administrative Tax Appeals Council (CARF) and the Superior Chamber of Tax Appeals (CSRF) at the Ministry of Finance, representing the National Health Confederation (CNS).

Marcos is recognized for his high level of technical proficiency and commercial acumen, as well as for his robust experience managing complex tax disputes in both administrative and judicial courts. He combines the ability to develop strategic and practical solutions for sophisticated tax challenges with a proven capacity to navigate and influence Brazil’s tax landscape, consistently delivering added value to clients.

Education:

•MBA in International Accounting Standards from Fundação Instituto de Pesquisas Contábeis, Atuariais e Financeiras

•LL.M. in Tax Law from Universidade de São Paulo

•Post-graduation degree in Tax Law from Pontifícia Universidade Católica de São Paulo

•LL.B. from Universidade de São Paulo

Chambers Review

Provided by Chambers

Chambers Brazil: Transactional

Tax: Non-contentious - Brazil

Band 5
Band 5

Individual Editorial

Marcos Tranchesi Ortiz receives market attention for his experience and solid track record in the tax advisory field, as well as for his adept handling of tax restructuring and planning.

Chambers Brazil: Contentious

Tax Litigation: Highly Regarded - Brazil

Band 4
Band 4

Individual Editorial

Marcos Tranchesi Ortiz is a partner of the firms' tax department who is adept at both judicial and administrative mandates, dealing with both direct and indirect taxes.

Strengths

Provided by Chambers

  • Marcos Ortiz consistently delivers clear, fast, and effective solutions to our tax matters of high financial impact.

    Tax: Non-contentiousChambers Brazil: Transactional
  • I can't praise Marcos Ortiz enough. He's an extremely respectful and attentive professional who provides me with good solutions and shows a wealth of knowledge of tax law.

    Tax: Non-contentiousChambers Brazil: Transactional
  • Technically very strong, Marcos Tranchesi Ortiz knows the legislation thoroughly, responds very promptly and always finds room in his schedule.

    Tax Litigation: Highly RegardedChambers Brazil: Contentious
  • Marcos Tranchesi Ortiz brings experience, technical knowledge and availability that make all the difference. He is the kind of professional who likes to schedule meetings and fully understands the issue.

    Tax Litigation: Highly RegardedChambers Brazil: Contentious

Ranked Individuals at Madrona Advogados (31)

Brazil

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership