With a strong presence in the Argentinian market, Bomchil has an impressive tax offering, providing both litigation and advisory services to both domestic and global clients. The practice is particularly adept in tax litigation, analysis of the tax burden for investment projects and advising on tax optimization of operations in both the traditional and digital economy. The practice is experienced in advising clients across diverse industries including agribusiness, energy, finance, infrastructure, and technology. The leadership of the practice comprises four partners: Ariadna Artopoulos, who advises on M&A transactions and direct and indirect asset sales; Mariano Ballone specialises in corporate financing and double taxation treaties; Alejandro Messineo, who handles cross-border transactions in relation to financial reorganisations; and Guillermo Teijeiro, who focuses on private wealth taxation. The team is supported by recently promoted senior associate María Agustina Salatino, who has expertise representing domestic and international clients in tax litigation.

Renowned for its expertise in high value and complex transactions, the strong tax department at Bruchou & Funes de Rioja advises on a broad spectrum of tax matters including tax litigation, tax planning and structuring as well as representing major corporations as taxpayers against the claims of provincial and municipal authorities before administrative and judicial courts. Representing both domestic and international clients in various industries such as renewable energy, IT, agribusiness, and financial services, the team has expertise in regulatory advice and complex cross-border reorganisations. Liban Ángel Kusa spearheads the practice and has extensive experience in contentious tax matters. Partner Ezequiel Lipovetzky advises on tax matters with a particular focus on domestic and cross-border transactions; and Daniela Rey has experience in advising clients on international investments and M&A transactions. Nicolás Nogueira Castellini specialises in tax and customs law while, Pablo Muir focuses on corporate tax matters and wealth management. Appointed ‘expert counsel’ in June 2025, Maximiliano Yudica Bartels specialises in tax planning; while senior associate Josué Antu Aguilar concentrates on cases related to tax litigation.

A market leading firm in the tax arena, Marval O’Farrell Mairal handles the full spectrum of tax matters and is praised by its clients for its “excellent quality of service and in-depth knowledge of highly complex tax matters.” Representing blue-chip domestic and international clients, in non-contentious tax matters, high profile litigation, and advising on sophisticated tax structures. The practice adopts a multidisciplinary approach by collaborating with their corporate and finance departments to assist them on cases related to M&A transactions and they act for clients in various industries such as private equity, agribusiness, energy and natural resources. The department is co-led by six experienced partners. María Inés Brandt has extensive experience advising on international transactions and complex tax planning; Walter Keiniger specialises in complex and sensitive tax litigation including tax criminal cases; Fernando Vaquero focuses on corporate tax matters including M&A, restructuring and real estate projects; Sergio Vergara has expertise in social security and transfer pricing disputes; while recently promoted partner Luciana Virgile specialises in tax advice for corporate clients in the banking and automotive sectors. Associate María Paula Castelli has a particular focus on wealth planning for high-net-worth individuals.

At Allende & Brea, the tax team is skilled in a wide variety of cases involving transactional tax structuring, tax planning, transfer pricing disputes and interpreting and applying international tax treaties. The department advises an array of domestic and international clients in the agribusiness, insurance, technology and energy sectors as well as many others. The practice is co led by experienced partners Raúl Fratantoni, who has extensive experience advising private banks and high net worth individuals on various tax matters; and Nicolás Procopio, who specialises in tax planning and has vast experience representing clients in tax disputes and litigation. The practice group was further consolidated with the promotion of Mariano Federico Anna (fiscal advisory and contentious matters) to the partnership in July 2025; while key support is provided by senior associate Gaspar Leveratto who has extensive experience representing clients in disputes before the national tax court and other tax bodies.

Situated within a globally integrated office network, Baker McKenzie is accustomed to advising major local and foreign clients in the technology, media and healthcare sectors among others. The department’s portfolio of work spans tax planning, advising on transfer pricing, complex issues related to imports and exports and tax restructuring and reorganisations. Martín Barreiro co-leads the practice and has expertise in international private banking and transfer pricing, alongside Juan Pablo Menna, who has extensive experience in tax planning related to the mining, telecommunications, and pharmaceuticals sectors. At associate level, Bárbara Roca has experience in tax efficient structures for financial transactions as well as acquisitions and sales of business operations, and Bernardo Trueba is actively involved in cases across various tax matters.

O'Farrell‘s tax department offers a comprehensive practice and has a proven track record in tax litigation, achieving success for its clients in landmark tax cases before local, regional and national courts. The practice is well versed on a broad spectrum of tax related matters such as energy taxation, stamp tax, transfer pricing disputes and tax-free reorganisations among many others. The practice is led by Miguel A.M. Tesón, who has extensive experience representing clients in complex tax litigation before tax authorities on a municipal, provincial and national level. Guillermo Lalanne focuses on constitutional tax law and María Celina Valls handles transfer pricing disputes and issues related to inflation adjustment tax practice. The team was further strengthened with the arrivals of associates Ruben Velazquez in October 2024 and Daniel A. Calzetta in December 2024.

The tax practice at Pérez Alati, Grondona, Benites & Arntsen stands out for its comprehensive domestic and international tax advice, robust tax litigation at the municipal, provincial and federal level, and strategic planning for M&A and corporate reorganisations. Defending clients against tax authorities, the department has extensive experience in a range of industries such as oil and gas, agriculture, and automotive. Four partners head the team: Manuel Benites has extensive experience in providing tax advice on corporate cross-border transactions and M&A; Luis Marcelo Núñez specialises in complex tax litigations before the Argentine supreme court and federal tax court; Andrés Galíndez focuses on customs litigation and tax implications related to imports and exports; and Facundo Fernández Santos handles transfer pricing disputes and transfer of shares. The team is further strengthened by associate María Florencia Gonzalez, frequently assists on customs and tax cases.

Specialist boutique firm Rosso Alba & Rougès, houses a prominent tax practice that advises domestic and international clients on transfer pricing disputes, trusts, and has expertise in wealth management for high-net-worth individuals. The team is capable of representing clients in various sectors such as agriculture, energy, automotive, and finance in complex tax litigations. The practice group is co-led by experienced partners Cristian Rosso Alba, who specialises in tax structuring matter and corporate reorganisations; and Juan Marcos Rougès, who has experience in corporate taxation with a particular focus on customs valuation and business reorganisations. Partner Daniel Domínguez has expertise in wealth management and tax planning, while Christian Fleischer specialises in M&A and corporate restructurings. Senior associate Irina Mizrahi handles a broad range of tax matters and focuses on litigation before federal and state courts. Rodrigo Diaz and Sebastian de la Bouillerie are actively involved in an array of cases in the tax field. The firm has extended its reach with the arrival of four associates, Sofia Carolina Solari, Gala Garriga, Alojz Valencic from Marval O’Farrell Mairal, and Martín Avalos in 2024.

 

The tax practice at Beccar Varela represents domestic and international clients on an array of tax matters including tax litigation, tax planning, double taxation agreements, transfer pricing and tax-free reorganisations among many others. The team adopts a multidisciplinary approach and collaborates with other departments within the firm such as their white-collar practice on compliance and investigation matters. The department is co-led by experienced partners Santiago Montezanti, who advises clients on complex tax issues such as international tax planning and tax-free reorganisations, and Enrique López Rivarola, who handles complex tax litigation related to the fintech and crypto industries. At the associate level, María de los Ángeles Olano and María Luján Callaci are actively involved in tax litigation cases and regularly advise clients on various tax matters.

In the tax arena, Mitrani Caballero advises local and international clients across the full range of tax-related matters, from sophisticated tax structuring, and reorganisations to the design of tax-efficient investment and holding structures, the practice also provides tax and estate planning to wealthy families and high-net-worth individuals. The firms tax practice also extends to representing clients in judicial and administrative litigation proceedings before tax authorities at federal and local levels. Corina Laudato heads the department and has extensive expertise in business reorganisations, private equity investments and international tax planning. Gloria Gurbista has experience in customs law and represents clients in complex tax litigation at national, provincial and municipal levels, while Juan Manuel Iglesias Mamone regularly advises clients on restructurings, and foreign investments. Associate Leonel Palomares focuses on providing clients with comprehensive advice on Argentine taxation.

At Tavarone, Rovelli, Salim & Miani, the tax department works closely with their energy and banking and finance team on infrastructure financing, renewable energy investments and advising clients on regulatory matters. The team is also well equipped to handle international tax planning, tax-free corporate restructuring and tax asset planning. The practice group is co-led by experienced partners Gastón Armando Miani, who specialises in tax litigation and representing clients against the tax authorities including the Argentinian supreme court and administrative tax courts, and Leonel Zanotto, who focuses on tax planning and M&A. At the associate level, Ana Ines Do Nizza has extensive experience in corporate tax matters, Micaela Aisenberg focuses on national and international tax practice, and Solange Riesco, who is actively involved in a variety of cases in the field.

The tax department at Beretta Godoy advises on domestic and international tax planning, optimising tax burdens for investments, M&A and corporate restructurings. The practice works closely with the mining department of the firm and handles investment regimes related to the sector, the firm also has expertise in transfer pricing disputes and litigation at all levels. The practice is led by Mariela Sas, who has experience in all areas of domestic and international law with a particular focus on tax planning and reorganisation.

D'Alessandro Tax, led by Valeria D'Alessandro, offers expert tax advisory, intricate cross-border tax planning, trust structuring, and high-profile tax litigation, including constitutional challenges and disputes involving foreign-held assets. Serving some of Argentina’s wealthiest families, prominent corporations, financial institutions, and innovative tech clients across Latin America and beyond, it combines standards of legal excellence with multidisciplinary expertise from accountants and economists. It is also highly regarded for its work on tax residency shifts, digital economy taxation, and navigating complex regulatory challenges across multiple jurisdictions.

With a global outreach, the tax department at Deloitte Legal - Legal y Fiscal S.A. offers a robust team specialising in tax litigation across all local and federal jurisdictions before the Supreme Court. The practise is led by Cynthia Calligaro, who focuses on complex tax matters with a particular focus on corporate restructuring. The team was strengthened with the arrival of associate Barbara Durante from Marval O’Farrell Mairal in 2024, and manages tax controversy in the practice, while Nicole Belén Amado frequently assists the team in various tax matters.

DLA Piper Argentina provides corporate tax and customs advice to local and international clients, offering a wide range of services that include tax planning, tax advisory and transactional work.

ECIJA Argentina's tax department offers notable expertise in tax litigation and advisory work, representing clients in the energy, agribusiness, automotive and technology sectors. The practice also has experience in disputes related to substantial tax claims as well as income tax and depreciation of intangible assets. Andrés Chacra leads the department, and he specialises in tax and customs litigation, representing clients at a municipal, provincial, national and international level. Senior associate Hernán Mastrícola has extensive knowledge in all tax matters and is actively involved in an array of tax cases in the firm.

Wiener Soto Caparrós has an established tax practice and specialises in tax litigation, representing clients before local and federal courts. The tax department also has extensive expertise advising clients on tariff conflicts, customs, transfer pricing and tax implications on mergers and cross-border investments. Of Counsel Alfredo Bisero Paratz leads the group and has experience defending clients against fines and enforcement proceedings before tax authorities. Partner Laurence Wiener represents an array of clients in corporate finance; Gonzalo Soto brings employment expertise to the team; and Mariela del Carmen Caparrós has significant M&A and regulatory experience. Associates Germán Agustín Hernández and Anny Reyes frequently represent taxpayers in complex tax litigation.