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Siqueira Castro – Advogados

Work +55 11 3704 9840
Siqueira Castro – Advogados, Maucir Fregonesi Junior, Sao Paulo, BRAZIL

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Maucir Fregonesi Junior

Work +55 11 3704 9840
Siqueira Castro – Advogados

Work Department

São Paulo Office.



Areas of Activity
• Tax Law
• Tax Planning
• International Tax Law
• Tax Litigation


• Elected by the Chambers Latin America and Chambers Global as one of the best Brazilian lawyers in the areas of Tax and Tax Litigation
• Elected by Chambers Global as one of the best Brazilian lawyers in the areas of Tax and Tax Litigation
• Elected by Análise Advocacia as one of the most respected lawyers in Brazil in the area of Tax Law
• Elected by Análise Advocacia one of the most admired lawyers in Brazil by companies in the following industry sectors: Sugar and Alcohol, Food and Beverage, Banks, Communication, Construction and Engineering, Education, Electronics, Pension Funds, Building and Decoration Materials, Oil and Gás, Specialized Services and Telecommunication
• Elected by International Tax Review - World Tax as one of the most respected lawyers in Brazil in the area of Tax Law
• Elected by Lacca Approved as one of the best lawyers in the Tax
• Elected by The Legal 500 Latin America one of the best lawyers in Brazil in the area of Tax
• Elected by Leaders League as one of the best Brazilian lawyers in the area of Corporate Tax


Portuguese, English, Spanish, French and Italian.


• Member of the Bar Association of Brazil (OAB)
• Member of the International Fiscal Association (IFA)
• Member the American Bar Association (ABA)
• Member of the Brazilian Association of Financial Law (ABDF)

• Member of the Office of Tax Research (IPT)


• Graduated from the University of São Paulo (USP) Law School
• Diplôme Supérieur de l'Université en Droit International from the Panthéon-Assas University (Paris II)
• Specialization in Tax Law from the Pontifícia Universidade Católica (PUC)
• Master of Philosophy and General Theory of Law from University of São Paulo (USP) Law School



Within: Tax

Active in tax litigation and consultancy matters, Siqueira Castro – Advogados stands out for having tax lawyers in numerous offices across Brazil; Bianca Xavier in Rio de Janeiro, Maucir Fregonesi Junior in São Paulo and Salvador-based Marluzi Andrea Costa Barros co-head the practice. Its client base is a mixture of domestic and international companies active in various sectors, including food, financial services and logistics.

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