Mr Estanislao H. Olmos > Bruchou, Fernández Madero & Lombardi > Buenos Aires, Argentina > Lawyer Profile

Bruchou, Fernández Madero & Lombardi
Estanislao H. Olmos photo

Work Department

Corporate / Mergers & Acquisitions / Competition-Antitrust.




He was a foreign associate at Sullivan & Cromwell LLP, New York, during 2003-2004.

Mr. Olmos has been advising clients on M&A transactions for 20 years. He specializes in corporate law with most of his expertise focused on mergers and acquisitions, debt restructurings and antitrust clearance matters.

He also was President of Columbia Latin American Business Law Association, Columbia University Law School, during 2002-2003.

He currently represents the firm before the International Bar Association (IBA), with Javier Rodriguez Galli.


Spanish and English.


International Bar Association (IBA).


– Law School of the Argentine Catholic University.
– LL.M. degree from the Columbia University School of Law.

Lawyer Rankings

Argentina > Competition and antitrust

Bruchou, Fernández Madero & Lombardi is best known for its robust merger review practice but it also has experience in investigations and compliance matters. In 2018, the firm hired new group head Gabriel Lozano, following the departure of Aixa Sureda to Mitrani Caballero & Ruiz Moreno Abogados. Lozano, who is noted for his ‘holistic business, legal and practical knowledge’, was previously in-house at Syngenta. Corporate specialist Estanislao Olmos is also a key contact and advised Vista Oil & Gas on the acquisition of an oil operating platform controlled by Pampa Energía and Pluspetrol.

Argentina > Corporate and M&A

Top-tier practice’ Bruchou, Fernández Madero & Lombardi is a ‘market leader in M&A transactions’. The firm, which counts major domestic and multinational corporations among its key clients, has a broad sector focus, which spans energy, commodities, retail and TMT. However, it is best known for its strength in transactions that combine both corporate and finance expertise. In a recent example, the ‘knowledgeableEstanislao Olmos acted alongside the banking and finance practice to advise Cargill on its $79.5m acquisition of a majority stake in Glucovil Argentina – the deal also involved a $12m loan. On the oil and gas front, transactional energy specialist Javier Rodríguez Galli teamed up with Exequiel Buenaventura and the banking group to assist Vista Oil & Gas with its $800m acquisition of an oil operating platform controlled by Pampa Energía and Pluspetrol. Mariano Luchetti, who leads the department, also has an impressive track record in energy and natural resources deals; he acted for Scatec Solar and Equinor on their acquisition of the Guañizuil II-A solar project from Martifer Renewables. The group further benefits from the senior experience of firm founder Enrique Bruchou and M&A and corporate governance specialist Pablo Falabella. Among its impressive band of associates, rising star Pilar Marcó is highlighted as ‘great to work with’.