Our Antitrust and Competition team provides advice and counseling to our clients in a wide variety of issues related to antitrust and competition law in Brazil, with a performance recognized both by clients and peers, and reflected in the most important rankings in the industry.

Great national and multinational companies in various industries entrust the Antitrust and Competition team at Tauil & Chequer with matters such as the notification of complex transactions for approval by CADE, ensuring the necessary agility for your business and expansion initiatives, as well as defending the interests of clients who wish to question the anticompetitive effects of transactions between third parties.

We also assist clients in investigations for violation of the economic order, such as in cartel cases. We format and conduct internal investigations to verify the existence of anticompetitive practices, as well as assist in mitigation measures and training programs. We represent clients in negotiating agreements with CADE, as well as in the investigations conducted by the authority, preparing defense strategies at the administrative and judicial levels. We provide consulting to industry associations to ensure the fulfillment of institutional missions in compliance with competition law, minimizing infringement risks. 

Chambers Brazil, 2024

"They have a deep knowledge of our company, products and markets in which we operate. They bring solutions to all sorts of competition issues, are always available with great agility and cordiality The quality of the team is amazing. It's a go-to firm for really complex matters that deserve more attention. Their antitrust team is really specialized, very supportive and always available. Tauil's expertise in antitrust matters is outstanding."

The Legal 500, 2024

“One remarkable aspect of the firm is their deep understanding of antitrust regulations and their ability to navigate the intricate legal landscape with precision. They possess an impressive wealth of knowledge and experience in handling antitrust matters, allowing them to provide invaluable guidance and strategic counsel to their clients. They approach each case with meticulous attention to detail, conducting comprehensive research and analysis to build strong legal arguments. Their commitment to excellence is reflected in the exceptional quality of their work. In conclusion, this law firm’s expertise in antitrust law, coupled with their unwavering commitment to their clients’ success, make them an outstanding choice for anyone seeking top-notch legal representation in antitrust matters.”

Latin Lawyer 250, 2023

“In addition to merger filings, the firm has successful cartel investigations and abuse of dominance practices. The team is also adept at dealing with third-party objections during antitrust proceedings, has taken them on for many clients, and won. The department also benefits from Mayer Brown’s global network, building its experience on cross-border work arising from multijurisdictional M&A transactions.”

The Legal 500, 2023

“The competition and antitrust department at Tauil & Chequer Advogados is highlighted for its ‘great knowledge and expertise‘. The practice is based across Brasília and São Paulo, and the firm’s association with Mayer Brown gives it access to a broad international network and is of benefit in the department’s many multi-jurisdictional cases.”

Chambers Brazil, 2022

“Well-respected team bringing a wealth of experience to an international-class firm. Its skilled bench possesses noteworthy experience in domestic and cross-border anti-competitive investigations involving allegations of cartel activity. It also has a strong track record of assisting multinational companies with merger control cases before CADE following global acquisitions and divestitures.”

The Legal 500, 2019

“Tauil & Chequer Advogados in association with Mayer Brown is well positioned to handle cross-border mergers thanks to its international office network, and it also acts for Brazilian companies in a multitude of sectors in cartel investigations. Among its recent high-profile work, the team acted for SETCESP - Sindicato das Empresas de Transporte de Cargas e Região in an abuse of dominant position claim against the Brazilian postal service, ECT.”

Chambers Latin America 2018

 Recognised practice particularly active in merger fillings, anti-competitive conduct investigations and sector-related litigation. Also offers solid expertise in compliance programmes.

Sources describe the firm as "compact," and value the "efficiency, consistency and agility" of its lawyers.

Chambers Latin America 2017

"Highly active team with a growing presence in the antitrust arena. Offers a proven track record in complex merger filings, cartel investigations, abuse of dominance cases and antitrust litigation. Able to provide clients with the support of an extensive worldwide network through its association with global heavyweight Mayer Brown." "I would highlight the team's technical competency, its proximity to the client and its competitive prices."

The Legal 500 2016

The department is noted for its ability to ‘form good relationships with all parties involved in a lawsuit’.