Firm Overview

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 broad experience of international business issues and the complexities of cross-border transactions.

Our unmatched strength allows us to react quickly and simultaneously handle large, complex and time-consuming transactions without compromising on quality. All our teams are led directly by highly experienced partners and are 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.

Chambers & Partners recognized us as “Argentina Law Firm of the Year 2019.” Furthermore, Marval is consistently recognized by the Legal500, Who’s Who Legal, Chambers Global and several other legal publications as the leading law firm in Argentina.

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 95-year track record of being prepared to respond to any challenge, both locally and in complex cross-border transactions.

Marval, O'Farrell & Mairal
Av. Leandro N. Alem 882
Buenos Aires, C1001AAQ
Tel 54.11.4310.0100
Fax 54.11.4310.0200

Firm Contacts
Other Offices
  • Marval, O'Farrell & Mairal

    375 Park Ave., 36th Floor
    Suite 3607
    New York, New York 10152
    Tel. 1.212.838.4641
    Fax 1.212.751.3854

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