Team
Matheus Affonso
Lawyer
Matheus Affonso’s practice focuses on consulting and contentious tax matters.
Matheus regularly provides legal assistance to national and foreign companies, aiming at full compliance of tax obligations, on federal, state and municipal levels. He also assists them to optimize their taxes, with the reduction of their tax burden. His track record in the tax structuring of importation deals, and his role in the issuance of opinions on customs and tax matters pertaining to oil platforms construction within the ambit of REPETRO-SPED are noteworthy.
He also represents clients’ interests in high-stakes tax administrative proceedings and court cases. Recently, Matheus participated in the preparation and submission of a myriad of defences in administrative proceedings concerning services tax levied on the laying of pipes on the seabed.
- Articles and Publications
- “Tax Information Exchange Agreements: Analysis of the OECD Model and the understanding of the Supreme Court” • Article published at RDTI Atual 04, p. 116-137, 2018, available at https://www.ibdt.org.br/RDTIA/n-4-2018/acordos-de-troca-de-informacoes-para-fins-fiscais-analise-do-modelo-ocde-e-do-entendimento-do-supremo-tribunal-federal/

Contact information
- Leal Cotrim - Rio de Janeiro
- +55 21 3550 8080 | +55 21 9 8131 3385
- maffonso@lealcotrim.com.br
- Download vCard
- Operates in the areas of Energy, Oil and Gas and Tax
Training and Career
Bachelor of Laws
Universidade Federal do Rio de Janeiro (2013)
Post graduation in Tax Law
Pontifícia Universidade Católica do Rio de Janeiro (2016)
Bar Admissions
OAB - RJ 183.686 | SP 349.446
Languages
Portuguese, English
Matheus
Affonso
Lawyer

Contact information
- Leal Cotrim - Rio de Janeiro
- +55 21 3550 8080 | +55 21 9 8131 3385
- maffonso@lealcotrim.com.br
- Download vCard
- Operates in the areas of Energy, Oil and Gas and Tax
Training and Career
Bachelor of Laws
Universidade Federal do Rio de Janeiro (2013)
Post graduation in Tax Law
Pontifícia Universidade Católica do Rio de Janeiro (2016)
Bar Admissions
OAB - RJ 183.686 | SP 349.446
Languages
Portuguese, English
Matheus Affonso’s practice focuses on consulting and contentious tax matters.
Matheus regularly provides legal assistance to national and foreign companies, aiming at full compliance of tax obligations, on federal, state and municipal levels. He also assists them to optimize their taxes, with the reduction of their tax burden. His track record in the tax structuring of importation deals, and his role in the issuance of opinions on customs and tax matters pertaining to oil platforms construction within the ambit of REPETRO-SPED are noteworthy.
He also represents clients’ interests in high-stakes tax administrative proceedings and court cases. Recently, Matheus participated in the preparation and submission of a myriad of defences in administrative proceedings concerning services tax levied on the laying of pipes on the seabed.
- Publications
- “Tax Information Exchange Agreements: Analysis of the OECD Model and the understanding of the Supreme Court” • Article published at RDTI Atual 04, p. 116-137, 2018, available at https://www.ibdt.org.br/RDTIA/n-4-2018/acordos-de-troca-de-informacoes-para-fins-fiscais-analise-do-modelo-ocde-e-do-entendimento-do-supremo-tribunal-federal/