Brazil

International Tax Review is part of Legal Benchmarking Limited, 4 Bouverie Street, London, EC4Y 8AX

Copyright © Legal Benchmarking Limited and its affiliated companies 2025

Accessibility | Terms of Use | Privacy Policy | Modern Slavery Statement

Brazil

Mariana Jatahy Rizzo Soares

soares.jpg

Partner

Ulhôa Canto

Rio de Janeiro

+55 (21) 3824-3275

mjatahy@ulhoacanto.com.br

www.ulhoacanto.com.br

Languages: Portuguese and English

Bar admissions: Brazilian Bar Association – Rio de Janeiro

Biography

Mariana Jatahy joined Ulhôa Canto in 1998 and became partner in 2014. She graduated in 1999 and obtained a postgraduate degree in Corporate Law and Capital Market from FGV in 2005. She specialises in tax law with an emphasis on consulting and administrative litigation regarding direct and indirect tax law matters.

Recent matter highlights

Mariana Jatahy is one of the partners in charge of defending individuals and legal entities at the Administrative Council of Tax Appeals (Conselho Administrativo de Recursos Fiscais – CARF). Her active role in defending prominent individuals, domestic and multinational corporations involving the most relevant tax law matters is widely acknowledged due to her impressive record of accomplishments. She represents several companies against tax assessments related to income tax and other taxes that were worth more than $100 million. Among others, Mariana also has extensive experience on tax advice; from daily tax obligations to major corporate restructures, tax and estate planning.

Practice areas

Corporate taxes, Technology, Cryptocurrency, Litigation, Tax consulting

Sector specialisations

Food and beverage, Industrials, Oil and gas, Real estate, Tech and telecoms

Association memberships

She has been a member of the Brazilian Financial Law Association (Associação Brasileira de Direito Financeiro– ABDF), International Fiscal Association - IFA, and International Bar Association. She is also a member of the Legal Committee of the British Chamber of Commerce, branch of Rio de Janeiro.

Academic qualifications

Mariana Jatahy graduated from the Pontifícia Universidade Católica do Rio de Janeiro – PUC/RJ in 1999, and obtained a postgraduate degree in Corporate Law and Capital Market from Fundação Getúlio Vargas – FGV in 2005.

ulhoa-canto-250.jpg

Ana Luiza Martins

martins.jpg

Partner

Tauil & Chequer in association with Mayer Brown

São Paulo

+55 11 2540 4626

amartins@mayerbrown.com.br

tauilchequer.com.br

Languages: Portuguese (native) and English

Bar admissions: Rio de Janeiro, São Paulo, Recife

Biography

Ana Luiza Martins is a partner in the tax practice of Tauil & Chequer Advogados in the São Paulo office. She has a large experience in tax consulting and litigation before the Brazilian Administrative and Judicial Courts. Among her clients are national and international companies pertaining to various industry sectors.

Recent matter highlights

  • Handling representative judicial tax litigation for a multinational company on the application of the Brazil-Italy DTT to certain services agreements (multimillion-euro discussion)

  • Handling multimillion-dollar administrative discussions on State VAT taxation for multinationals in São Paulo

  • Handling discussions with Brazilian States on tax VAT benefits for multinational clients (LC 160/2017)

  • Assisting multinationals as to recent changes to the Manaus Free Trade Zone benefits

Practice areas

Cost-sharing arrangements, Corporate taxes, Technology, Litigation, Tax consulting

Sector specialisations

Consumer goods and services, Energy, Food and beverage, Industrials, Utilities

Association memberships

Brazilian Bar Association

International Bar Association

Academic qualifications

New York University – LLM in International Taxation, 2004

Pontifícia Universidade Católica do Rio de Janeiro – PUC/RJ, Bachelor in Law (equivalent to JD), 1998.

mayer-brown-tauil-250.jpg

Ana Cláudia Akie Utumi

Utumi Advogados

Andrea Bazzo Lauletta

Mattos Filho

Cristina Arantes Berry

Deloitte

Isabel Bertoletti

Machado Associados Advogados e Consultores

Isabel Bueno

Mattos Filho

Vivian Casanova

Barbosa Müssnich Aragão

Renata Correia Cubas

Mattos Filho

Marienne Coutinho

KPMG

Flavia Crosara

Deloitte

Misabel Derzi

Sacha Calmon - Misabel Derzi Consultores e Advogados

Simone Dias Musa

Trench Rossi Watanabe

Daniela Duque Estrada

Castro Barros Sobral Gomes

Renata Emery

Xavier Duque Estrada Emery Denardi Advogados

Priscila Faricelli de Mendonça

Trench Rossi Watanabe

Mônica Ferraz Ivamoto

LBMF | Barbosa & Ferraz Ivamoto Advogados

Maria Fernanda Furtado

Trench Rossi Watanabe

Luciana Rosanova Galhardo

Pinheiro Neto Advogados

Alessandra Gomensoro

Mattos Filho

Mariana Jatahy

Ulhôa Canto Advogados

Maria Eugenia Kanazawa

Tauil & Chequer Advogados

Luiza Sampaio de Lacerda Benjó

Barbosa Müssnich Aragão

Glaucia Maria Lauletta Frascino

Mattos Filho

Gabriela Silva de Lemos

Mattos Filho

Ana Paula Schincariol Lui Barreto

Mattos Filho

Clarissa Giannetti Machado

Trench Rossi Watanabe

Alessandra S Machado Villas Boas

Trench Rossi Watanabe

Cristiane Magalhães

Machado Associados Advogados e Consultores

Claudia Liguori Affonso Maluf

Demarest Advogados

Ana Malvestio

PwC

Ana Luiza Martins

Tauil & Chequer Advogados

Simone Dias Musa

Trench Rossi Watanabe

Raquel Novais

Machado Meyer Sendacz e Opice Advogados

Rosiene Soares Nunes

Machado Associados Advogados e Consultores

Lucilene Prado

Derraik & Menezes Advogados

Lígia Regini

Barbosa Müssnich Aragão

Cristiane Romano

Machado Meyer Sendacz e Opice Advogados

Andrea da Rocha Salviatti

Mundie Advogados

Luiza Sampaio de Lacerda

Barbosa Müssnich Aragão

Ana Paula Schincariol Lui Barreto

Mattos Filho

Gabriela Silva de Lemos

Mattos Filho

Kátia Soriano de Oliveira Mihara

BRATAX – Brazuna Ruschmann e Soriano Sociedade de Advogados

Adriana Gravina Stamato de Figueiredo

Trench Rossi Watanabe

Betina Treiger Grupenmacher

Treiger Grupenmacher Advogados Associados

Erika Yumi Tukiama

Machado Associados Advogados e Consultores

Carolina Verginelli

Deloitte

Mariana Neves de Vito

Trench Rossi Watanabe

Daniella Zagari

Machado Meyer Sendacz e Opice Advogados

more across site & shared bottom lb ros

More from across our site

Despite garnering significant revenues from multinationals, Italy’s digital services tax presents pressing double taxation issues, say Stefano Simontacchi and Francesco Saverio Scandone of BonelliErede
ITR’s research shows that in-house tax counsel in Asia also feel underserved by their advisers’ international networks
World Tax global head of research Jon Moore tells ITR how his team spots standout submissions, and gives early statistical insights into this year’s entries
Australia’s conservative opposition will repeal controversial tax agent reporting rules if elected in the country’s May general election
Shapley would be the fourth person to hold the job this year; in other news, UK tax advisory firm MHA raised fewer funds than expected from its London IPO
The US needs to be involved in pillar one for there to be more international acceptance of the project, Michael Masciangelo says
The UK regulator is investigating EY’s auditing of the national postal service as it relates to the high-profile Horizon scandal, which saw hundreds wrongfully convicted
The directive will extend cooperation and information exchange around pillar two, according to the Council of the EU
Audit engagement partner Christopher Voogd has also been hit with a £32,500 charge over the firm’s work with Stirling Water Seafield Finance
China’s largest overhaul of its tax administration system in 24 years, featuring enhanced enforcement powers, is underway, says Abe Zhao of FenXun Partners
Gift this article