Mattos Filho‘s Brasília tax practice operates on two key fronts: high-stakes litigation and strategic public policy engagement. On the contentious side, the team remains active before the Superior Court of Justice, the Supreme Court, and CARF. In the policy arena, the practice is a key participant in legislative discussions with Congress and executive bodies. This dual capability makes the firm a sought-after adviser for clients operating in a variety of sectors. The team’s expertise is embodied by its key practitioner Ariane Costa Guimaraes, a tax litigation specialist noted for representing corporate interests before the National Congress and key government ministries. Further adding to the team is associate Pedro Henrique de Castro Motta, who brings deep knowledge of judicial tax litigation.

Pinheiro Neto Advogados‘ tax department provides a comprehensive offering structured around three key pillars: non-contentious advisory, administrative litigation, and judicial litigation. This integrated structure enables the team to handle complex, high-value mandates, including domestic and international tax planning and cross-border issues, for a client base that features major players in the mining, energy, and consumer goods industries, among others. The firm’s contentious capabilities are now spearheaded by André Torres dos Santos, who was promoted to practice head in January 2025. He brings specialist knowledge of complex litigation concerning tax regulations and social security. The team also benefits from the expertise of partner Luiz Paulo Romano, an experienced litigator before CARF and the superior courts.

Veirano Advogados‘ tax practice is a key destination for major companies from the technology, telecoms, tobacco and energy industries, among others, seeking assistance with advisory and litigation matters. Singled out for its extensive experience before administrative and judicial bodies like CARF and the higher courts in Brasília, the team’s broad service offering covers tax exemptions, executive declaratory actions, and social contribution disputes. The department is led by tax and customs expert Marcelo Reinecken, who also serves as the firm’s vice-managing partner and handles both consultancy and litigation before the Supreme Court, STJ, and CARF. He is supported by associate Renata Joner, whose practice also focuses on judicial tax litigation.

With regular appearances before CARF and the higher courts, Bento Muniz Advocacia’s practice offers the full spectrum of advisory and litigation tax services to an expanding client base in the tobacco, technology, and construction sectors. Co-head Eduardo Muniz provides deep expertise in federal administrative and judicial proceedings, while fellow co-head Igor Ávila‘s practice is focused on the corporate aspects of tax, including reorganisations, planning, and governance. Associates Márcia Sepúlveda and Carlos Delgado provide versatile support across both contentious and non-contentious tax mandates.

With a strong track record in dispute resolution before the higher courts, Eliana Calmon Advocacia e Consultoria fields solid capabilities in tax litigation, frequently handling proceedings before the Brazilian Superior Court of Justice (STJ) and the Brazilian Federal Supreme Court (STF). The team is engaged by domestic and international clients operating in a variety of sectors, including ports, pharmaceuticals, telecoms, aviation and fuel distribution. Eliana Calmon draws on her expertise as a former justice of the STJ to advise on complex conflicts between taxpayers and authorities. She leads the practice alongside Renato Calmon, Rogerio Athayde and Eric Casimiro, all of whom excel in the resolution of tax disputes.

Machado Meyer Sendacz e Opice Advogados‘ Brasília-based tax team handles both consultancy and litigation matters involving direct and indirect taxation, as well as customs and import duties, particularly for clients in the energy, private equity, and agribusiness sectors. The practice is led by tax litigation specialist Cristiane Romano, who has extensive experience in disputes before CARF and the Superior Court of Justice. The team’s litigation capabilities are further enhanced by Diana Piatti Lobo, a tax disputes specialist who handles a range of matters including state tax benefits, transfer pricing, and PIS/COFINS credits, and João Vitor Luke Reis, who focuses on litigation before the superior courts.

MJ Alves Burle e Viana Advogados‘ tax practice is highly skilled in a variety of tax dispute resolution mechanisms, encompassing traditional litigation such as tax enforcement claims and debt settlements, as well as alternative methods. This contentious capability is complemented by a strong advisory offering focused on regulatory compliance, tax action prevention, and transactional support. Founder Marcos Joaquim Gonçalves Alves co-leads the practice with Alan Flores Viana, a tax expert noted for negotiating settlement agreements before public agencies.

TozziniFreire‘ tax department handles a range of complex matters, including tax disputes, assessments, and exemptions, maintaining a significant practice before the Superior Courts and the Administrative Tax Appeal Court (CARF) in Brasília. Prominent clients from the retail, food and beverage, natural gas, and chemicals sectors regularly turn to the team for assistance with proceedings before regional and superior courts. The practice is led by Bruno Teixeira, who specialises in administrative and judicial tax litigation.