Allende & Brea is regularly called on by international corporations to advise on merger control matters, with its international presence boosted by leadership positions in the Antitrust Committee of the International Bar Association, the Antitrust Section of the American Bar Association and the American Antitrust Institute. The practice has an impressive track record in high-stakes cartel cases, handles vertical restraint and dominance matters, and advises clients on the design of distribution systems to comply with antitrust laws. One of Argentina’s foremost competition and antitrust lawyers Julián Peña leads the team and is recognised for the depth of his expertise across all aspects of competition and antitrust law. Federico Rossi is the practice group’s other key name and handles merger control proceedings, cartel investigations, dominance cases and sectoral enquiries.

Marval O’Farrell Mairal stands out for handling a high volume of merger filings and maintaining a top-quality antitrust investigation unit, which participates in the most demanding and complex investigations conducted by the Antitrust Commission. The team’s expertise is sought out by clients across Latin America, with the firm assisting companies in Argentina, Brazil, Chile, Bolivia, Peru and Uruguay on a range of competition, economic regulation and internal compliance matters. Practice head Miguel Del Pino is a widely respected competition law specialist with more than two decades' experience handling competition and antitrust matters. Partner Santiago del Rio also dedicates his practice to competition law and is another key senior contact. Experienced senior associate Gabriela Ariel Irizar (antitrust and litigation) and associate Ignacio Mora (competition law) provide additional support.

Beccar Varela is sought out for advice on enforcement, merger control, investigations, counselling and compliance, as well as cartel-related litigation. The team is particularly well-known for its competition law expertise in the cement, automobile and technology sectors, and has also been active on credit-card abuse investigations. Practice head Agustín Waisman is recognised for his competition and antitrust experience, and is also strong in the areas of consumer protection and gaming law. Augusto Vechio, co-head of the firm’s international trade and customs team, provides additional senior level support, with senior associates Camila Corvalán and Mercedes Pando leading the second line.

Bomchil’s long standing competition and anti-trust practice handles key merger-control and anticompetitive matters, and is particularly well-known for its work on multi-jurisdictional merger cases and sensitive cartel investigations. Drawing on expertise from the across the firm, the team also covers regulatory matters, administrative law and litigation. Divided into a merger control and investigations unit and a general advice and compliance arm, the practice has broad sector experience, supporting clients in the media, telecoms, energy, chemicals, retail, financial services and transportation industries. Practice head Marcelo Den Toom is a well-networked antitrust expert with vast experience in the area. Telecoms and media lead Francisco Gutiérrez and seasoned energy and natural resources partner Fernando Brunelli are available to provide additional senior-level support.

Pérez Alati, Grondona, Benites & Arntsen advises domestic and international clients on Argentine competition and antitrust regulations, regulatory clearance and approval filings, competition and antitrust litigation, and anti-competitive behaviour investigations. The practice is also called on for support on multi-party cross border matters and is notably active across the telecom, pharmaceuticals, technology, automotive and agriculture industries. Team lead Luis Barry is well known for his expertise in antitrust, competition, product liability and consumer law. Moreover, he has built an increasingly consolidated department: dedicated counsel María Carolina Abdelnabe Vila is another key name, with expertise spanning consumer protection, fair trade, data protection law, product liability and legal technology; with further support provided by Clara Rodriguez Llanos (raised to counsel in January 2023) and semi-senior associate Sonia Del Regno. Since publication, Abdelnabe has been raised to the partnership - effective as of January 2024.

Bruchou & Funes de Rioja pools together expertise from its litigation and criminal law teams to support clients with fully-integrated coverage of cartel and individual conduct matters. The team also boasts extensive experience across merger-control reviews and conduct cases, and is called on to assist on all the antitrust aspects of M&A transactions and joint ventures. Competition law specialist Gabriel Lozano is sought out by local and international clients and leads the practice, with merger control and conduct investigations two of his most active market segments. Senior associate Dolores Cedrone moved in house in March 2023.

Best known for its experience handling multi-jurisdictional, cross-border competition and antitrust matters, Mitrani Caballero & Ruiz Moreno Abogados assists a global client base with merger filings and antitrust proceedings across Latin America. The team provides regular counsel on commercial behaviour and the avoidance of anticompetitive practices, as well as on the establishment of competition compliance programs and internal investigations. Respected corporate lawyer Aixa Sureda is well-versed in competition and antitrust law matters and co-leads the team alongside Cristian Mitrani, who clients seek out for advice on competition law infringement cases and internal investigations. The team’s second line is led by senior associate Evangelina González Soldo, whose practice covers transactional, antitrust and competition matters.

Telecoms is a key sector area for O'Farrell, which leverages its specialist expertise in the sector to support clients on antitrust and competition matters. The team is also strong in other regulated industries – including energy, utilities and infrastructure – where it advises on industry-specific competition and regulatory matters. Telecoms and energy lawyer Agustin Siboldi, who has extensive antitrust expertise, is the main contact for competition law matters.

Martínez de Hoz & Rueda represents companies before Argentine Antitrust Authorities and is frequently called on to advise clients on transactional filings and merger clearances. Juan Cruz Azzarri, an experienced administrative and constitutional law specialist, is the main point of contact.

Tanoira Cassagne Abogados’s competition department covers all antitrust matters including antitrust behaviours, merger notifications and litigation. The team is particularly noted for its antitrust investigations and litigation work in the petrochemical, pharmaceutical and retail sectors. Merger-control filings for national and cross-border deals are also covered, with preventative advice on antitrust practices offered too. Partners Francisco Rondoletti and Bernardo Cassagne lead the practice.

Tavarone, Rovelli, Salim & Miani’s recently established antitrust practice covers the full range of competition issues, focusing on pre-merger strategy analysis and merger control issues. Since launch, the practice has worked on several regulatory approval and antitrust authority filings. Antitrust investigations involving government agencies are also covered. M&A lawyer Julián Razumny leads the practice and has developed strong expertise across antitrust, pre-merger analysis and merger control issues. Associate Paula Cerizola provides primary support.