LAWYER PROFILE

Breno Ferreira Martins Vasconcelos

Brazil 2026

Mannrich e Vasconcelos Advogados

Ranked in 2 practice areas

Tax Litigation: Highly Regarded

Brazil

1 year ranked

Tax: Non-contentious

Brazil

4 years ranked

About

Provided by Mannrich e Vasconcelos Advogados

Brazil: Contentious

Practice Areas

General corporate tax

Tax controversy

Career

More than 20 years of litigation experience, including the representation of taxpayers before the Brazilian Higher Courts, adding legal, economic and market data as amicus curiae in leading cases such as the application of tax penalties, taxation of the maternity leave, one-third extra holiday pay and outsourcing. Breno leads relevant lawsuits regarding services tax and federal taxes, involving the main topics under discussion in Brazil. He is also at the forefront of innovative thesis and projects involving the technology for the monitoring of case law, awarded by other rankings, and public policies, due to his involvement in relevant academic research at FGV and Insper, in which he is also a Professor. In the tax advisory sphere, he is highly recognized for his work on social security issues, involving the efficient structuring of compensation programs from a labor and tax perspective. He has also been one of the most active professionals in Brazil’s ongoing tax reform process, having represented companies and industry associations before the National Congress - including participation in public hearings - and is now at the forefront of advising businesses on the implementation of the new IBS/CBS framework introduced by the reform.

Professional Memberships

Brazilian Bar Association (OAB);

Worked as legal advisor for SIFE (Students in free enterprise), currently named Enactus (Entrepreneurial Action for others creates a better world for us all).

Personal

Professor of Tax Law in the undergraduate law program at Insper.

Researcher at INSPER and FGV-SP.

Former board member of the 1st Section of the Administrative Council of Tax Appeals – CARF.

Member of the editorial staff of Revista de Direito Tributário Contemporâneo (RDTC).

Coordinator and author of the tax law publication “Repertório Analítico de Jurisprudência do CARF até 2015”.

Member of the Associação Brasileira de Direito Processual (ABDPro)

Brazil: Transactional

Practice Areas

General corporate tax

Tax controversy

Career

More than 20 years of litigation experience, including the representation of taxpayers before the Brazilian Higher Courts, adding legal, economic and market data as amicus curiae in leading cases as the application of tax penalties, incidence of social contributions (PIS and COFINS) on the service tax, taxation of the maternity leave, one-third extra holiday pay and outsourcing. Breno leads relevant lawsuits regarding services tax and federal taxes, involving the main topics under discussion in Brazil. He is also at the forefront of innovative thesis and projects involving the technology for the monitoring of case law, awarded by other rankings, and public policies, due to his involvement in relevant academic research at FGV and Insper, in which he is also a Professor. In the tax advisory sphere, he is highly recognized for his work on social security issues, involving the efficient structuring of compensation programs from a labor and tax perspective, and has also been representing companies and industry associations in the legislative process of the tax reform - including participation in public hearings before the National Congress - as well as assisting businesses in its implementation, being recognized as one of the most active professionals in the field.

Former counselor of the Administrative Tax Appeals Council (CARF).

Professional Memberships

Brazilian Bar Association (OAB).

Personal

Professor of Tax Law in the undergraduate law program at Insper.

Researcher at INSPER and FGV-SP.

Former board member of the 1st Section of the Administrative Council of Tax Appeals – CARF.

Coordinator and author of the tax law publication “Repertório Analítico de Jurisprudência do CARF até 2015”.

Coauthor, with Thais Veiga Shingai, of the best-selling book Manual da Reforma Tributária.

Chambers Review

Provided by Chambers

Chambers Brazil: Transactional

Tax: Non-contentious - Brazil

Band 4

Individual Editorial

Breno Ferreira Martins Vasconcelos is a co-head of the tax department in his firm and is a practitioner whose work has allowed him to gather experience particularly on social security mandates. He also offers tax litigation skills.

View ranking table

Chambers Brazil: Contentious

Tax Litigation: Highly Regarded - Brazil

Band 1

Individual Editorial

Breno Ferreira Martins Vasconcelos enjoys a solid reputation in the market for his tax litigation skills. He advises companies on a range of administrative and judicial disputes, including those before the higher courts.

Learn more about this team View ranking table

Strengths

Provided by Chambers

Breno Vasconcelos is impeccable in his service. Always available and owning a notable technical capacity, he adds a lot of value to all the work and projects in which he participates.
Tax: Non-contentiousChambers Brazil: Transactional
A great lawyer, Breno Vasconcelos has the ability to connect technical knowledge with the reality of our company.
Tax: Non-contentiousChambers Brazil: Transactional
Breno Vasconcelos is a lawyer with undisputable technique who navigates the tax administrative entities with ease.
Tax: Non-contentiousChambers Brazil: Transactional
Breno Ferreira Martins Vasconcelos is a true reference in tax law and handles highly complex matters with ease.
Tax Litigation: Highly RegardedChambers Brazil: Contentious
Beyond his undeniable technical competence, Breno Ferreira Martins Vasconcelos stands out for his collaborative approach and his ability to understand the company’s operations. His work is precise and agile and is always guided by the search for viable and sustainable alternatives.
Tax Litigation: Highly RegardedChambers Brazil: Contentious