Marval O’Farrell Mairal stands out as one of Argentina’s leading corporate and M&A practices, known for steering high-stakes, intricate transactions both locally and across Latin America and international markets. The team handles a broad spectrum of work, from major M&A and joint ventures to corporate restructurings, with particular expertise in banking, private equity, venture capital, real estate, and telecoms-related matters. Pablo Artagaveytia, who oversees the firm’s Brazil practice group, leads the M&A practice alongside Pablo Viñals Blake, who excels in M&A, private equity and venture capital deals. Santiago Carregal, the firm's chairman, has a strong track record in headline corporate transactions. Other key individuals include Diego Krischcautzky, a contact for domestic alnd international clients, including high-net-worth individuals; Hernán Slemenson, who is particularly active advising private equity funds, investors and founders on transactions involving the technology sector; María Laura Bolatti Cristofaro, who handles buy and sell-side mandates and joint ventures; Diego Chighizola, who is skilled in agribusiness, real estate, and energy-related matters; and María Macarena García Mirri, who plays a prominent role in major transactions in the energy, mining, automotive, and insurance sectors. The team is further complemented by a group of up-and-coming associates, notably María Virginia Canzonieri, Lucia Trillo, and Maria Agustina Giordano. Since publiction, the firm has hired Juan Martín Allende as an of counsel in the corporate practice; formerly a partner at Allende & Brea (until 2020), his experience takes in corporate financing as well as M&A, particularly in relation to real estate and the energy sector - effective as of December 2025.
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Profile
Work Department
Corporate/M&A - Private Equity - Venture Capital - Agribusiness.
Position
Pablo Viñals Blake has been partner of Marval O'Farrell Mairal since 1997 and works in the Corporate and M&A team, leading the Private Equity, Venture Capital and Agribusiness Groups in Marval. Pablo was involved in the privatization program carried out by the Argentine government during the 1990s and represented domestic and multinational companies, private equity, hedge funds and financial institutions in almost all of the largest M&A, Agribusiness and project financing transactions held in Argentina in the last two decades. In these matters, he also assisted local and foreign investors on deals in other Latin-American countries, such as Chile, Uruguay, Paraguay and Brazil and advised multilateral financial institutions such as the IFC, IDB and the United States Eximbank on their Argentine operations.
Career
Prior to becoming a member of Marval, O’Farrell & Mairal, he was a foreign associate in the New York office of Milbank Tweed Hadley & McCloy LLP (1992-1994). He has spoken in courses and at seminars and has published many articles on topics related to his areas of specialization in several Latin-American, European and Middle East countries as well as in the United States, China and Japan.
Languages
English & Spanish.
Education
Pablo graduated from the Universidad Católica Argentina with a law degree in 1988 and holds a Master of Laws (LL.M) from Harvard Law School.
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Testimonials
Collated independently by Legal 500 research team.
'They have a commitment and proximity to the client according to their individual needs, and have a lot of experience and participate in the most important transactions in the country.'
'Apart from the solid technical knowledge, they have a sharp commercial sense to give the best advice and interaction to the clients.'
'In M&A, María Laura Bolatti has an unmatched capacity for resolution and pragmatism.'
'The team is a Swiss watch - everything functions with perfection and accuracy. With them, everything is foreseeable and happens as they project.'
'They are absolutely dedicated to making things happen and are at the forefront of using new and interesting tools to deliver the best service.'
'Pablo Artagaveytia is exceptional and thinks outside the box; he works very closely with the clients and involves himself personally in the business.'
Key clients
- Allianz
- Total Austral
- Eternal
- BYD
- BHP
- Marcopolo
- Golar
- ENAP
- Lamb Weston International
- Banco de Valores
Work highlights
Advising Golar LNG on the first LNG project in Argentina, a $6bn project consisting of a 20-year deployment of a Floating Liquefied Natural Gas vessel in Argentina.
Assisting BHP in its due diligence of the Josemaria and Filo del Sol copper projects in the Province of San Juan and in the implementation of the acquisition of 100% of Filo Corp, valued at $3bn.
Advising Eternal Tsingshan Group Co., Ltd. on the sale of its stake in Eramine Sudamerica S.A.