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We are glad to share the results of our firm in Chambers Global 2022:


Band 4

Ranked lawyer: Sebastián Luegmayer

The “excellent” Sebastián Luegmayer “has a very good knowledge of the sector and is very good at explaining matters to clients,” an interviewee reports. Another observer further highlights his expertise in financial derivatives transactions.


Band 4

Ranked lawyer: Uriel O´Farrell

A market commentator describes Uriel O’Farrell as “a very intelligent and versatile lawyer” who can “assist across several areas and offer a comprehensive service.” Interviewees go on to praise him for his longstanding presence in the Argentinian corporate arena..



Band 4


Band 2

Ranked lawyers:

Notable partner Miguel Alejandro Máximo Tesón continues to garner praise from interviewees for his technical and commercial skills in this field. Miguel Alejandro Máximo Tesón frequently handles administrative tax procedures arising from value-added tax disputes, as well as advising on the fiscal implications of corporate transactions.

An interviewee is quick to report that Guillermo Lalanne is “technically very good” and “an excellent professional.” Respondents further remark on his expertise in contentious tax matters, with a market insider also noting his regulatory legal knowledge. Guillermo Lalanne also boasts experience handling tax disputes of a constitutional nature.

Up-and-coming partner María Celina Valls continues to be well thought of in the Argentinian tax market. A client hails her “excellent understanding of international tax matters,” also describing her as “a practical, straightforward and very good lawyer.”

Dynamic partner Valeria Estathio comes into the rankings after eliciting sterling praise from observers, one of whom lauds her as “a great lawyer who is very responsive and knows what she is doing,” continuing: “She is very focused on getting the best outcome for her clients.”