Department profile
Mariz de Oliveira e Siqueira Campos Advogados

Tax Non-contentious: The Elite

Global Guide 2026 : Brazil


Mariz de Oliveira e Siqueira Campos Advogados

Rankings

Chambers Review

Provided by Chambers

Tax Non-contentious: The Elite - Brazil

Band 1

Band 1


What the Team is Known For

Mariz de Oliveira e Siqueira Campos Advogados is a prestigious tax boutique earning the highest praise for its impressive track record of handling advisory mandates. The firm remains a first port of call for both domestic and international companies in need of tax advice relating to M&A deals, IPOs and corporate reorganisations. Its deep bench also demonstrates particular legal expertise in matters involving indirect taxes such as ISS and ICMS. The firm's distinguished team has additional expertise advising its client roster on international tax matters.

Strengths

Provided by Chambers

  • Mariz de Oliveira is a really good and available law firm. They also lead a monthly study group that focuses on tax law discussions. We don't see other law firms do that. It makes them stand out.

    Tax Non-contentious: The Elite respondentGlobal
  • A law firm that always delivers impeccable work, Mariz de Oliveira is consistently seen in big, prominent tax cases.

    Tax Non-contentious: The Elite respondentGlobal
  • One of the main strengths that distinguishes Mariz de Oliveira's team from others in the industry is the high degree of technical expertise. They're an extremely qualified tax boutique.

    Tax Non-contentious: The Elite respondentGlobal
  • Mariz de Oliveira is one of our key partners, supporting us with strategic consultancy aimed not only at analysing the risks arising from new businesses, but also actively seeking opportunities.

    Tax Non-contentious: The Elite respondentGlobal

Notable Practitioners

Provided by Chambers

  • Star IndividualsRicardo Mariz de Oliveira
    Star IndividualsRicardo Mariz de Oliveira

    Ricardo Mariz de Oliveira

    Ricardo Mariz de Oliveira has cultivated a highly respected tax practice. His expertise is sought after by important clients to obtain tax legal opinions regarding complex issues.

    • Ricardo Mariz de Oliveira is a superstar lawyer. He's very active and loves what he does.

      Tax Non-contentious: The Elite respondentGlobal
    • Ricardo Mariz de Oliveira is the go-to tax lawyer in Brazil.

      Tax Non-contentious: The Elite respondentGlobal
    • A professional who needs no introduction, Ricardo Mariz de Oliveira is the best income tax lawyer in the country.

      Tax Non-contentious: The Elite respondentGlobal
  • Band 2Bruno Fajersztajn
    Band 2Bruno Fajersztajn

    Bruno Fajersztajn

    Bruno Fajersztajn is a partner known for his direct tax knowledge as well as his work in international taxation. He also advises on transactional matters and can handle indirect tax issues.

    • Bruno Fajersztajn is a tax lawyer who tends to handle complex issues in a very simple way.

      Tax Non-contentious: The Elite respondentGlobal
    • Bruno Fajersztajn has excellent knowledge of tax law and great resourcefulness.

      Tax Non-contentious: The Elite respondentGlobal
    • A great and available tax lawyer, Bruno Fajersztajn is also extremely up to date.

      Tax Non-contentious: The Elite respondentGlobal
  • Band 2Elidie Palma Bifano
    Band 2Elidie Palma Bifano

    Elidie Palma Bifano

    Elidie Palma Bifano has secured a respected name in the non-contentious tax arena due to her longstanding and solid experience. She is able to act on matters concerning the tax impact of new business models and corporate reorganisations.

  • Band 3João Francisco Bianco
    Band 3João Francisco Bianco

    João Francisco Bianco

    João Francisco Bianco possesses a longstanding tax practice and has gained the expertise to act on matters including international taxation. He also offers tax litigation experience.

  • Band 3Ramon Tomazela Santos
    Band 3Ramon Tomazela Santos

    Ramon Tomazela Santos

    Ramon Tomazela Santos is a partner who is acquainted with matters such as corporate and international taxation, including transfer pricing issues.
    • It's always a pleasure to work with Ramon Tomazela. Skilled, calm and patient in complex topics, he's always prepared for the specific discussions related to our business.

      Tax Non-contentious: The Elite respondentGlobal
    • Ramon Tomazela is a highly active tax lawyer with a notable academic strain. Everybody in the market listens to him.

      Tax Non-contentious: The Elite respondentGlobal
    • Ramon Tomazela is a distinguished professional who's been consolidating himself as one of the new names in tax law today. He has a technical competence above expectations.

      Tax Non-contentious: The Elite respondentGlobal
  • Band 4Fabiana Carsoni Alves Fernandes da Silva
    Band 4Fabiana Carsoni Alves Fernandes da Silva

    Fabiana Carsoni Alves Fernandes da Silva

    Fabiana Carsoni Alves Fernandes da Silva is known for her work regarding tax planning in corporate reorganisations, tax implications on carbon credits and transfer pricing adjustments.

    • Fabiana Carsoni is a lawyer who combines a solid technical background with a commercial and strategic vision. She deeply understands clients' demands and delivers business-minded solutions.

      Tax Non-contentious: The Elite respondentGlobal
    • A leading figure in tax matters, Fabiana Carsoni has impressed me by developing a comprehensive tax practice.

      Tax Non-contentious: The Elite respondentGlobal
    • Fabiana Carsoni is a great, available and extremely up-to-date tax lawyer.

      Tax Non-contentious: The Elite respondentGlobal

Ranked Individuals at Mariz de Oliveira e Siqueira Campos Advogados (7)

Brazil

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