Av. Leandro N. Alem 928C1001AAR
C1001AAR Buenos Aires
Display phone number (54.11) 4310.0100
Santiago Carregal
Gabriel Matarasso
Miguel Del Pino
María Inés Brandt
Walter Keiniger
Pablo Artagaveytia
Pablo García Morillo
Diego Krischcautzky
Barbara Ramperti
Pablo Viñals Blake


Founded in 1923, Marval, O’Farrell & Mairal is the largest law firm in Argentina. A market leader at both local and Latin American levels, the firm has been providing sophisticated, high quality advice to international and local clients for more than 90 years. The firm comprises over 300 lawyers and has wide experience of international business issues and the complexities of cross-border transactions.
Our unmatched strength allows us to react quickly and to simultaneously handle large, complex and time-consuming transactions without compromising on quality. All our teams are led directly by highly experienced partners and carefully tailored to meet the specific needs of our clients.
We have a strong focus on high-end corporate and finance transactions and the largest, most active litigation and arbitration practice in Argentina. Our leading intellectual property department provides a comprehensive service and has unrivalled experience; the firm was originally founded as an intellectual property office. We are also a market leader in a wide range of other key practice areas including tax, labor and employment, competition/antitrust, energy and natural resources, administrative and public law, insurance and reinsurance, telecommunications and broadcasting as well as real estate and construction.
We are the Argentine member of Lex Mundi, the world’s leading association of independent law firms, comprising more than 160 members. We also have an office in New York, providing invaluable support on US transactions.
With a long history of advising multinational companies and international institutions, we have a unique understanding of the Argentine market and how to help our clients achieve their goals. Marval, O’Farrell & Mairal has a 90-year track record of being prepared to respond to any challenge, both in the country and in complex cross-border transactions.


  • Agribusiness

  • Banking & Finance

  • Capital Markets

  • Competition / Antitrust

  • Compliance and Anti-corruption

  • Corporate / M&A

  • Energy & Natural Resources

  • Environment

  • Information Technology and Privacy

  • Insolvency & Restructuring

  • Insurance & Reinsurance

  • Intellectual Property

  • International Trade & Customs

  • Labor & Employment

  • Life Sciences

  • Litigation & Arbitration

  • Maritime & Air Law

  • Private Equity

  • Project Finance

  • Public & Administrative Law

  • Real Estate & Construction

  • Tax

  • Telecommunications, Media & Technology (TMT)

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