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Rankings published in 2026
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Overview
Founded in 1923, Marval O'Farrell Mairal is Argentina's largest law firm, renowned for its expertise in banking and finance. The firm consistently handles the country's most complex and innovative transactions, including Loma Negra's note issuances and BNP Paribas' Total Return Swap with Pampa Energía. With over 300 lawyers, Marval excels in capital markets, project finance, public law, and infrastructure projects. Their client-focused approach and deep industry knowledge make them a top choice for both local and international clients. Led by Santiago Carregal, their team provides comprehensive, high-quality legal services, solidifying their leadership in Argentina's legal market.
