LAWYER PROFILE

Paulo Honório de Castro Júnior

Brazil 2026

Demarest Advogados

Ranked in 2 practice areas

Tax Litigation: The Elite

Brazil

1 year ranked

Tax: Minas Gerais

Brazil

5 years ranked

About

Provided by Demarest Advogados

Brazil: Contentious

Practice Areas

Tax (contentious and non-contentious)

- Taxation of natural resources: mining, energy, agribusiness, oil and gas.

- Infrastructure and financial operations.

- Tax advice on M&A. Tax planning. Legal opinions.

- Tax litigation.

Career

Over 15 years of experience in the taxation of natural resources and infrastructure, including mining, energy, and agribusiness. Skilled in tax planning, M&A, transfer pricing, foreign investment, and tax litigation.

Master’s degree in Economic, Financial, and Tax Law from the University of São Paulo (USP) and another Master’s in Tax Law from the Federal University of Minas Gerais (UFMG), both with top honors.

Postgraduate Professor in Tax and Customs Law at PUC Minas.

Professional Memberships

President of IMDT (Tax Law Institute of Minas Gerais)

Publications

Author of the book "CFEM – Compensação Financeira pela Exploração de Recursos Minerais", about the brazilian mineral royalty.

Co-author of other 10 books related to Tax Law (https://williamfreire.com.br/personnel/paulo-honorio/)

Chambers Review

Provided by Chambers

Chambers Brazil: Contentious

Tax Litigation: The Elite - Brazil

Band 4

Individual Editorial

Paulo Honório de Castro Júnior wields knowledge on tax litigation mandates, which allows him to deal with administrative issues, including defending clients in tax assessments. He also represent clients as amicus curie.

Learn more about this team View ranking table

Chambers Brazil: Regions

Tax: Minas Gerais - Brazil

Band 4

Individual Editorial

Paulo Honório de Castro Júnior is familiar with tax consultancy issues, including tax planning and advice on M&A-related issues. He is frequently seen assisting clients from the mining and siderurgy sectors.

Learn more about this team View ranking table

Strengths

Provided by Chambers

Paulo Honório de Castro Júnior has been providing legal services of outstanding quality to our company. His work stands out for deep technical competence, agility in handling complex matters and a strong commitment to results.
Tax Litigation: The EliteChambers Brazil: Contentious
Paulo Honório de Castro Júnior has a strategic view of the cases and is able to anticipate issues without resorting to legal jargon.
Tax Litigation: The EliteChambers Brazil: Contentious
An outstanding professional, Paulo Honório de Castro Júnior is always accessible, quick and highly engaged with our needs.
Tax Litigation: The EliteChambers Brazil: Contentious
Paulo Honório de Castro Júnior is a highly skilled and technically proficient professional, offering practical solutions for complex issues. Furthermore, he is always available to provide immediate assistance, which is extremely beneficial for clients who typically have urgent needs.
Tax: Minas GeraisChambers Brazil: Regions
Paulo Honório de Castro Júnior provides excellent work, with extensive experience and technical expertise. He is able to quickly gain a thorough understanding of the company's situation and propose effective, easy-to-implement solutions.
Tax: Minas GeraisChambers Brazil: Regions