O’Farrell is pleased to announce its recognition in Chambers Latin America 2027, with seven practice areas ranked and 11 professionals recognized individually.
The firm has been recognized as a Leading Firm in Latin America, with rankings across key areas of its practice, reflecting the experience and expertise of its teams in advising clients on complex matters in the Argentine market.
Practice Areas and Recognized Professionals
- Energy & Natural Resources: Power — Band 2
- Agustín Siboldi — Band 1
- Uriel F. O’Farrell — Senior Statespeople
- Energy & Natural Resources: Oil & Gas — Band 3
- Agustín Siboldi — Band 4
- Labour & Employment — Band 3
- José Luis Zapata — Band 1
- Ignacio Castiglione — Band 4
- Public Law — Band 3
- Jorge Muratorio — Band 2
- Ana Belén Micciarelli — Up and Coming
- Tax — Band 3
- Miguel Alejandro Máximo Tesón — Band 2
- Guillermo A. Lalanne — Band 3
- María Celina Valls — Band 4
- TMT (Telecoms, Media, Technology) — Banda 3
- Agustín Siboldi — Band 2
- Corporate/M&A — Banda 5
- Ernesto Genco — Band 6
- Competition/Antitrust
- Agustín Siboldi — Band 3
- Banking & Finance
- Sebastián Luegmayer — Band 4
These recognitions reflect the qualities that we strive to bring to every matter: deep legal knowledge, a thorough understanding of our clients’ businesses and a commitment to providing practical and strategic advice.
We are grateful to our clients for their continued trust and to Chambers & Partners for recognizing the work and expertise of our teams.


