Department profile
O'Farrell

Tax

Global Guide 2026 : Argentina


O'Farrell

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Chambers Review

Provided by Chambers

Tax - Argentina

Band 2

Band 2


What the Team is Known For

O'Farrell's highly regarded tax department offers strong expertise in controversy cases concerning a range of taxes, including stamp, income and social security. The team routinely represents clients in administrative and judicial proceedings before municipal, provincial and federal authorities, including the Federal Supreme Court. The department provides additional counsel on tax planning related to tax benefit schemes and corporate transactions.

Strengths

O'Farrell's team perfectly understands the client's needs. The team addresses various issues with adaptability and efficiency while offering consistent guidance throughout the process.

Notable practitioners
Guillermo A Lalanne

Distinguished partner Guillermo Lalanne is noted for his expertise in contentious tax matters. He has extensive experience handling tax disputes of a constitutional nature.

Guillermo Lalanne's professional excellence is widely recognised in the market.


Miguel Alejandro Máximo Tesón

Head of department Miguel Alejandro Máximo Tesón garners strong praise from interviewees for his technical and commercial skills in the tax field in Argentina. He is particularly commended for his tax litigation work.

Miguel Máximo Tesón combines a strong commercial vision with decisive, practical advice that instils confidence in his clients.


María Celina Valls

Partner María Celina Valls continues to receive noteworthy market recognition for her tax practice in Argentina. She is well versed in tax litigation and transfer pricing issues.

María Celina Valls is a practical and decisive professional with in-depth knowledge of tax law and its application.

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Ranked Individuals at O'Farrell (3)

Argentina

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