Pérez Alati, Grondona, Benites & Arntsen

Pérez Alati, Grondona, Benites & Arntsen works with domestic and international oil-and-gas companies on a range of regulatory and transactional matters. The firm has been a particularly influential stakeholder in the development and growth of the Vaca Muerta shale formation, assisting with the drafting process to amend hydrocarbons legislation, as well as the structuring of innovative joint venture deals between national oil-and-gas players and multinational oil companies. The practice also has an established presence in the oil-and-gas infrastructure space, handling matters related to transnational gas pipelines and LNG terminals. Regulatory and permitting issues are also covered. The outstanding oil-and-gas veteran Francisco Romano has decades of industry experience, including a spell in-house at Chevron; he co-leads the practice alongside Alan Arntsen, who is regularly sought out to advise on energy and infrastructure M&A and financings. The team can also call on the experienced Mariano Grondona, a key player in electricity sector; versatile transactional partner Tomás Pérez Alati; and environmental law specialist Nicole Jaureguiberry.