Guillermo Teijeiro

Ranked in 1 Practice Areas

Eminent Practitioners

Tax

Argentina

17 Years Ranked

Ranked in Guides

Latin America 2025

High Net Worth 2024

About

Provided by Guillermo Teijeiro

Global

Practice Areas

Tax, Wealth Management

Career

Guillermo is a partner in the Tax area. He has got a remarkable expertise in the area of local and international Tax Law thorough his more than 40 year-long career.

He led and participated in merger and acquisition transactions of important companies belonging to different sectors, including manufacturing and distribution, hotel trade, oil and gas, mining, financial services, digital economy, among others.

He has participated in a number of landmark tax disputes in Argentina, including cross-border transfer price litigations.

Before joining Bomchil, Guillermo was a founding partner of Negri, Teijeiro & Incera Law Firm and of Teijeiro & Ballone Abogados Law Firm. Previously, he worked as an associate at Klein & Mairal Law Firm in Buenos Aires and Caplin & Drysdale in Washington D.C.

Languages Spoken

Spanish, English

Education

Universidad Nacional de La Plata

School of Law, LL.B

1978

Harvard University

School of Law, LLM

1984

Harvard University

Visiting Scholar, International Tax Program-Harvard Tax Fund Fellowship

1988

Chambers Review

Provided by Chambers

Global

Tax - Argentina

Eminent Practitioners

Eminent practitioner Guillermo Teijeiro gets extensive praise from clients and market observers for his noteworthy tax practice.

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Strengths

Provided by Chambers

"Guillermo Teijeiro is a very experienced and knowledgeable tax lawyer, who has in-depth understanding of the Argentine tax system and is able to provide creative solutions to our business."

Tax respondent
Global

"Guillermo Teijeiro is a very experienced and knowledgeable tax lawyer, who has in-depth understanding of the Argentine tax system and is able to provide creative solutions to our business."

Tax respondent
Global