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Alfredo M O'Farrell

Work +5411 4310 0100
Marval, O'Farrell & Mairal

Work Department

Corporate & M&A / Competition Law


Alfredo specializes in general corporate and company law, M&A, privatizations, “shareholders disputes” and he is also an expert in competition law. Within his area of specialization he has advised national and foreign firms in corporate matters, mergers, acquisitions, different antitrust issues, distribution and agency contracts, privatizations and financings. His advice includes operation structuring, acquisition of real estate, contracts relating to the construction of plants and other related matters.


Before joining the firm he worked for the law firm Rosenmann, Colin, Freund, Lewis & Cohen, in New York.


English, French & Spanish.


He graduated from the Universidad de Buenos Aires in 1975 and obtained a Master in Comparative Jurisprudence from New York University in 1977.


Competition and antitrust

Within: Competition and antitrust

Put simply, Marval, O'Farrell & Mairal is ‘clearly the best firm in Argentina for antitrust’, with its ‘highly effective advice’, ‘agile and client-oriented service’ and ‘technically solid team’ all striking the right note with clients. Standing out as its key assets are its ‘top-tier lawyers’, who are widely commended for their ‘proactive approach’ and ability to ‘keep constantly up-to-date with industry issues’. Most notably, department head Miguel del Pino is a ‘titan in the area’, while newly promoted partner Santiago del Rio is ‘thorough and knowledgeable’ with a ‘strong ability to simplify complex scenarios’. Excelling in merger filings, investigations and compliance work, the practice also leverages the firm’s wider full-service offering to bring ‘deep industry and cross-practice expertise to all cases’. On the transactional side, del Pino is acting for both ChemChina and Syngenta on the local aspects of their headline $43bn merger. On the contentious side, a major international bank turned to the firm to represent it in the Argentine Competition Commission (CNDC)’s high-profile investigation into alleged collusion and abuse of dominance in the management of the VISA card system – del Rio led that work. Senior partner Alfredo O’Farrell and experienced associate Gabriela Ariel Irizar are also central figures in the group.

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Corporate and M&A

Within: Corporate and M&A

A ‘stand out firm for sophisticated M&A’, Marval, O'Farrell & Mairal is also a popular choice for joint ventures, equity capital markets and corporate restructurings. The ‘corporate powerhouse’ continues to win a significant share of cross-border transactions and is often the first port of call for major multinational clients doing business in Argentina. In a case in point, Pablo García Morillo advised The Brinks Company on the acquisition by Brink’s Argentina of MACO Transportadora de Caudales. In a further example of its cross-border prowess, Pablo Artagaveytia acted for Brazilian food giant JBS on the $300m sale of JBS in Argentina, Paraguay and Uruguay to companies controlled by Minerva. The firm also acts for leading domestic corporations and Loma Negra turned to the firm for support on its $1bn international IPO ¬¬– Fernando Hernández and Hernán Slemenson led that work. In other headline mandates, senior corporate specialists Héctor Mairal and Santiago Carregal paired up to advise BP on a joint venture with Bridas and China National Offshore Oil Corporation (CNOOC) to form a new integrated energy company, Pan American Energy Group. Other recommended names include ‘heavyweight M&A star’ Pablo Viñals Blake, who acted for Sibanye on the local aspects of its $2.2bn acquisition of Stillwater Mining, Alfredo O’Farrell and Diego Krischcautzky.

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