Av. Brg. Faria Lima, 4285 - 4º andar
04538-133 São Paulo
Display phone number +55 11 3145 6000
Aitan Portela
Alfredo Zucca
Christian Vieira
Maurício De Ávila Maríngolo
João Biazzo
Bruno Chiaradia
Rodrigo Shiromoto
Decio Daidone Junior


At ASBZ, we have the courage to develop creative solutions, based upon efficiency, responsibility and excellence, in order to help our clients achieve the best results. This is the basis that enables us to develop close and long-lasting relationships so that we are never just another law firm.

The way we think and work is what makes us a renowned law firm in Brazilian and international surveys. We are included in the main surveys on the operation of Brazilian law firms, which consider the opinions of the directors and legal counsels of the largest companies worldwide.

Our services are focused on achieving the best results. We always strive to be the change that the market needs and what our clients are looking for.

With more than 200 professionals, we are a team that is inquisitive, productive and practical. We make a difference, avoid the obvious and are passionate about problem-solving. Following the highest ethical standards, we provide whatever is required to find the best solution for our clients, in a wide range of scenarios.


  • Arbitration and Mediation

  • Commercial Contracts

  • Consumer Law

  • Corporate

  • Data Protection, Digital Law and Intellectual Property

  • Insolvency, Restructuring and Debt Recovery

  • Investment Funds

  • Labor

  • Litigation, Prevention and Dispute Resolution

  • Mergers and Acquisitions

  • Project Finance

  • Real Estate and Litigation

  • Tax

  • Wealth Management

  • Aviation

  • Banking

  • Credit and Debit Card Industry

  • Energy

  • Logistic and Cargo Transportation

  • Pharmaceuticals

  • Retail and Consumer Products

  • Sports and Entertainment

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