LAWYER PROFILE

Agustín Siboldi

Latin America 2026

O'Farrell

Ranked in 4 practice areas

Energy & Natural Resources: Power

Argentina

8 years ranked

TMT (Telecoms, Media, Technology)

Argentina

11 years ranked

Competition/Antitrust

Argentina

18 years ranked

Energy & Natural Resources: Oil & Gas

Argentina

1 year ranked

About

Provided by O'Farrell

Practice Areas

Energy (Mining, Power, Oil & Gas, Renewable Energies) ;heavily regulated industries; Antitrust (economic concentrations and investigations in anticompetitive practices); telecommunications;

Career

Partner of the Public Law and Economic Regulation Area, specializes in Antitrust, Energy and Natural Resources, and Telecommunications.

He is a lawyer graduated from Universidad de Buenos Aires and holds a Master’s Degree in Corporate Law from Escuela Superior de Economía y Administración de Empresas (ESEADE). In addition, he took a post-graduate course in Telecommunications Law at Universidad de Buenos Aires Law School.

Professional Memberships

- Member of the International Bar Association (IBA).

- Member of the American Bar Association (ABA)

- Member of the Executive Committee of the Argentine Chamber of Renewable Energies (Cámara Argentina de Energías Renovables).

- Honorary adviser to the Antitrust Commission of the Argentine Corporations Chamber

- Member of the Argentine Chamber of Renewable Energies (CADER)

- Member of the Argentine Chamber of Mining Entrepreneurs (CAEM)

- Member of the Association of International Energy Negotiators

- Member of the Argentine Association of Telecommunications Law

- Member of the Competition Forum.

- Member of the City of Buenos Aires Bar Association and of its Antitrust Commission

Chambers Review

Provided by Chambers

Chambers Latin America

Energy & Natural Resources: Power - Argentina

Band 1

Individual Editorial

Stellar partner Agustín Siboldi is highly regarded in the market for his adept management of regulatory issues within Argentina's power industry. His expertise also extends to pertinent contractual and litigation matters in the sector.

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TMT (Telecoms, Media, Technology) - Argentina

Band 2

Individual Editorial

Partner Agustín Siboldi is commended for his experience in assisting clients with a diverse range of TMT mandates. He is noted for his adept handling of matters pertaining to telecoms.

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Competition/Antitrust - Argentina

Band 3

Individual Editorial

Respected partner Agustín Siboldi of O'Farrell boasts significant experience advising clients across the full range of competition mandates in Argentina.

View ranking table

Energy & Natural Resources: Oil & Gas - Argentina

Band 4

Individual Editorial

Partner and department head Agustín Siboldi joins the rankings this year following strong client commendation. He handles a broad range of transactional and regulatory mandates in Argentina’s oil and gas sector.

Learn more about this team View ranking table

Strengths

Provided by Chambers

Agustín Siboldi offers top-tier advice, backed by extensive experience and a thorough understanding of the electricity market. His insights consistently add value to our services.
Energy & Natural Resources: PowerChambers Latin America
Agustín Siboldi is an excellent lawyer with exceptional knowledge of the power industry.
Energy & Natural Resources: PowerChambers Latin America
Agustín Siboldi is an excellent professional who is highly attentive and adaptable to meet client needs. He has great knowledge of the business and the issues affecting the industry.
TMT (Telecoms, Media, Technology)Chambers Latin America
Agustín Siboldi is distinguished by his expertise in antitrust law, delivering excellent analysis combined with a strong commercial perspective.
Competition/AntitrustChambers Latin America
Agustín Siboldi consistently provides fast, high-quality responses and takes a proactive approach to delivering favourable solutions.
Energy & Natural Resources: Oil & GasChambers Latin America