Office Address

928 Leandro N. Alem
Buenos Aires, 1001

Phone Number

+54 11 4310 0100

Fax Number

+54 11 4310 0200


Office Locations

Buenos Aires

Firm Background

Founded in 1923, Marval, O'Farrell & Mairal is the largest and one of the oldest law firms in Argentina. The firm has grown considerably in recent years and currently has over 220 professionals, 47 of whom are partners. The firm's law practice covers a wide range of legal services to financial institutions, commerce and industry and to diverse sectors of government, placing a strong emphasis on providing high quality legal services with a creative and innovative approach to attaining clients' goals. Our firm provides a full range of labor and employment law services to companies doing business in Argentina. Although the firm practices Argentine law, its lawyers are well attuned to business issues and the complexities of multi-jurisdictional transactions and they work closely with clients in seeking solutions to the competitive challenges facing modern business today. The firm's broad client base includes domestic and foreign commercial and investment banks, as well as a wide variety of domestic and foreign companies, including many Fortune 500 companies and in the public sector, the Argentine government and the Argentine Central Bank, international organisations such as the World Bank, the International Finance Corporation (IFC) and the Inter-American Development Bank. Marval, O'Farrell & Mairal also has an office in the Argentine city of Córdoba. The firm also has offices in New York City and Madrid, and a affiliate relationship with a major law firm in Brazil.

Firm Practice Areas

Administrative Law, Banking and Finance, Capital Markets, Commercial and Competition Law, Corporate Law, Foreign Investments, Mergers and Acquisitions, Entertainment and Media, Environmental Law, Insolvency and Restructuring, Insurance Law, Intellectual Property, Internet and Information Technology, Labour Law, Litigation, Dispute Resolution and Arbitration, Maritime and Air Law, Mercosur, Natural Resources, Utilities and Energy Law, Patents, Real Estate and Construction Law, Tax and Customs Law, Telecommunications and Broadcasting, Trademarks

Primary Attorney

Additional Attorneys