Tax: Brasília

MJAB combines sophisticated tax expertise with its pioneering Legal Advocacy model, delivering strategic solutions for complex tax disputes, regulatory challenges and high-stakes negotiations. The firm operates at the intersection of tax law, public policy and institutional decision-making, assisting clients before judicial, administrative and legislative authorities.

The firm develops integrated strategies combining litigation, administrative proceedings, tax settlements, regulatory engagement and institutional dialogue. This multidisciplinary approach enables the firm to align legal solutions with broader business objectives, delivering sustainable outcomes in matters of significant economic impact.

The team advises corporations, financial institutions, industry associations and business groups on tax controversies, tax reform matters, administrative litigation, strategic disputes before Brazil’s Superior Courts and complex negotiations with tax authorities. Its work frequently involves issues capable of influencing tax policy, regulatory frameworks and sector-wide practices.

MJAB has played a leading role in landmark tax settlements, including pioneering transactions in the aviation sector, high-value debt restructurings and negotiations that preserved business continuity while substantially reducing tax liabilities. It also advises clients on legislative and regulatory developments, helping shape solutions that promote legal certainty, competitiveness and long-term value.