Paulo Honório de Castro Júnior, Brazil

Ranked in 2 Practice Areas

Band 4

Tax: Minas Gerais

Brazil

4 Years Ranked

Band 4

Tax Litigation: The Elite

Brazil

1 Years Ranked

Ranked in Guides

Global 2026

About

Provided by Paulo Honório de Castro Júnior

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: 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.

View ranking table

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

Contributions

Latest contributions provided by Paulo Honório de Castro Júnior

Global Practice Guide

Transfer Pricing 2025
Brazil | Law and Practice

Authored by

Paulo Honório de Castro Júnior, Urick Soares, Bruno Marques Feitosa

Article • Mar 2025

Strengths

Provided by Chambers

An outstanding lawyer, who is solicitous, available and extremely qualified, Paulo Honório is involved in leading major discussions on the mining sector.

Tax: Minas Gerais respondent
Chambers Brazil: Regions

Paulo Honório is a brilliant lawyer who is highly knowledgeable. He has a vision that is beyond reach when compared to other lawyers.

Tax: Minas Gerais respondent
Chambers Brazil: Regions

Paulo has always been a professional, open to questions and to share his knowledge, regardless of the commercial relation. Such openness results in both personal and professional empathy.

Tax: Minas Gerais respondent
Chambers Brazil: Regions

Paulo is a point of reference in several subjects. Always available to clients, he navigates various tax issues very well, employing clear and well-founded evaluations.

Tax: Minas Gerais respondent
Chambers Brazil: Regions

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 Elite respondent
Chambers 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 Elite respondent
Chambers Brazil: Contentious

An outstanding professional, Paulo Honório de Castro Júnior is always accessible, quick and highly engaged with our needs.

Tax Litigation: The Elite respondent
Chambers Brazil: Contentious

An outstanding lawyer, who is solicitous, available and extremely qualified, Paulo Honório is involved in leading major discussions on the mining sector.

Tax: Minas Gerais respondent
Chambers Brazil: Regions

Paulo Honório is a brilliant lawyer who is highly knowledgeable. He has a vision that is beyond reach when compared to other lawyers.

Tax: Minas Gerais respondent
Chambers Brazil: Regions

Paulo has always been a professional, open to questions and to share his knowledge, regardless of the commercial relation. Such openness results in both personal and professional empathy.

Tax: Minas Gerais respondent
Chambers Brazil: Regions

Paulo is a point of reference in several subjects. Always available to clients, he navigates various tax issues very well, employing clear and well-founded evaluations.

Tax: Minas Gerais respondent
Chambers Brazil: Regions

Tax Litigation: The Elite respondent
Chambers 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 Elite respondent
Chambers Brazil: Contentious

An outstanding professional, Paulo Honório de Castro Júnior is always accessible, quick and highly engaged with our needs.

Tax Litigation: The Elite respondent
Chambers Brazil: Contentious

Filter by

Brazil

Agribusiness

Thiago Giantomassi

Band 3

Paulo Honório de Castro Júnior

Brazil Guide 2026

Tax: Minas Gerais + 1 more ranking

About

Practice Areas

Career

Professional Memberships

Publications

Chambers Review

Chambers Brazil: Regions

Tax: Minas Gerais - Brazil

Individual Editorial

Chambers Brazil: Contentious

Tax Litigation: The Elite - Brazil

Individual Editorial

Contributions

Latest contributions provided by Paulo Honório de Castro Júnior

Strengths

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Brazil

Tax: Minas Gerais

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