Bruchou & Funes de Rioja provides a large client base of companies and families with a wide ranging tax service that covers all aspects of tax law, from tax planning and structuring through to tax litigation and representation in administrative and judicial proceedings. Other noted areas of expertise include helping clients to migrate tax residencies out of Argentina and assistance with the tax aspects of crypto-asset matters. The firm has a deep bench of senior talent covering both contentious and advisory aspects, and is led by outstanding tax litigation practitioner Liban Kusa. Further partner-level support comes from transactional tax and high-net worth specialist, Ezequiel Lipovetzky; complex corporate and financial tax lawyer, Daniela Rey; and Nicolas Nogueira Castellini, who handles customs and tax litigation at the national, provincial and municipal levels. The senior line-up has been further strengthened with the promotion of transactional tax lawyer Pablo M Muir to the partnership in mid-2023.

Marval O’Farrell Mairal advises a high-profile portfolio of local and international clients across all aspects of tax law, including advisory work, tax planning and transactional matters, as well as litigation at all court levels. The stand-out practice is known for the depth of its expertise and experience handling sophisticated tax structuring, complex cross-border transactional work and high-stakes tax disputes. The team is also called on to provide support on regional tax matters involving other Latin American jurisdictions. The department, the largest in Argentina, boasts a deep bench of senior talent that is co-led by: María Inés Brandt, a go-to partner for high-level transactional and tax planning matters; corporate taxation specialist Walter Keiniger; international tax expert Gabriel Gotlib; and M&A tax veteran Fernando Vaquero. The senior team is also able to draw on the vast experience of veteran tax and customs of counsel, Horacio García Prieto. A talented second line of support is provided by senior associates Maria Paula Castelli (international tax); Sergio Vergara (tax litigation) and Luciana Virgile (corporate tax). Since publication, Vergara has been raised to the partnership - effective as of December 2023.

Allende & Brea supports clients with a broad tax offering covering M&A, tax free reorganisations, tax planning, transfer pricing, tax treaties, forex and day-to-day matters. The firm also has a strong private clients' practice that advises families, entrepreneurs and high net worth individuals on designing tax-effective strategies and using trusts, private foundations and other asset protection structures. Tax litigation is another busy area, with the team representing individuals and corporates in tax-related administrative and judicial appeal proceedings at all levels. The practice is co-led by experienced tax lawyer Raul Fratantoni, who also fronts the successful private clients' desk; and Nicolas Procopio, who handles litigation, transactional and tax planning matters for corporates and individuals. The team also draws on a support from a strong bench of associate level talent. Paula Polimeni and Mariano Federico Anna undertake tax dispute and litigation matters; and Bautista Dasso is a key contact for high net worth individuals, families and private banks.

Bomchil is known for handling the tax aspects of syndicated loans, cross-border M&A and complex restructurings, as well as having extensive litigation, regulatory and private client tax-planning experience. The practice is also at the forefront of tax developments in the areas of cryptocurrency and fintech. The absorption of highly-rated tax boutique Teijeiro & Ballone, Abogados in 2022 has deepened the tax team’s expertise across the board and helped the firm to secure client wins in the technology, media and automotive sectors. Guillermo Teijeiro is a stand-out tax practitioner with vast experience in corporate, transactional and international taxation, as well as digital economy and private wealth tax matters. He co-leads the practice with national and international corporate tax planning expert Mariano Ballone; tax litigation and advisory partner Ariadna Artopoulos and fellow veteran practitioner Alejandro Messineo, who handles international tax law, tax planning and disputes with tax authorities at different levels of government.

 

O'Farrell is widely recognised for its exceptional track record in tax litigation, successfully representing corporates and individuals in complex, precedent-setting tax disputes before all levels of national, provincial and municipal courts. Market segments where the team is particularly strong include energy taxation, new taxes on extraordinary wealth, transfer pricing, tax inflation disputes, and discrepancies between double conventions and local regulations. Practice head Miguel A.M. Tesón is a stand-out practitioner with expertise spanning cross-border transactions, tax planning for foreign corporations, transfer pricing, federal tax law and local taxes. He receives high quality senior support from a strong bench of partners: Valeria Estathio has deep expertise in federal and international tax law; María Valls has a strong tax disputes practice; and Guillermo Lalanne is an authority on constitutional tax law and complex litigation.

Pérez Alati, Grondona, Benites & Arntsen provides comprehensive tax advice on domestic and international transactions and matters, with the team particularly noted for the depth of its litigation practice, which handles federal, provincial and municipal tax cases. The team is further recognised for its expertise in the planning, development and implementation of procedural strategies for client defences in disputes with tax authorities and governmental agencies. Tax planning and the tax aspects of M&A, debt restructurings and company reorganisations are additional areas in which the practice is regularly active. Manuel Benites has more than four decades' tax litigation and cross-border taxation experience. He co-leads the team alongside tax claims and litigation expert Luis Nuñez; customs litigation specialist Andrés Galindez; and Facundo Fernández Santos, who focuses on transactional work, tax planning and transfer pricing. Further support comes from counsels Matías Corte (tax litigation) and Germán Martín Quirán (customs); and Cristina Di Benedetto who is sought out for her expertise in hydrocarbon tax and royalty claims.

Beccar Varela advises national and international clients on a variety of complex tax matters, including tax litigation (at all levels), tax planning, double taxation agreements, transfer pricing and tax free reorganisations. The team is particularly well-known for the strength of its transactional work, handling the tax-related aspects of M&A, project finance, cross-border deals, financing and corporate restructuring. The practice also works closely with the firm’s white-collar and corporate crime department to counsel on tax and fiscal offences. The team is led by Santiago Montezanti, who has more than 20 years of experience advising clients on international tax planning, tax-free reorganisations, M&A and litigation. Senior associate María De Los Ángeles Olano, who advises on local and international tax matters and litigation work, leads the second line with tax law-focused Enrique López an additional key contact.

Mitrani Caballero & Ruiz Moreno Abogados has a strong tax structuring and tax planning practice, and is also active on the tax aspects of M&A transactions, joint ventures and financing. Tax and estate planning advice to families and high net worth clients is another busy area, as is representing clients in administrative proceedings and litigation before federal and local tax authorities and courts. Practice head Corina Laudato is an expert in local and international tax planning; while tax and customs law-focused Gloria Gurbista, and international corporate restructuring and governance specialist Juan Ignacio Soma, are other key senior names. At associate level, key senior Juan Manuel Iglesias Mamone handles tax litigation and cross-border transactional matters.

Tavarone, Rovelli, Salim & Miani’s tax department has extensive expertise in all types of advisory work and tax planning, as well as litigation before all court instances. The team is especially strong on transactional matters and works closely with the firm’s banking and finance practice to cover the the tax-aspects of private and trust debt issuance and loans, as well as a variety of corporate finance and project finance deals. The firm is particularly sought out for its highly specialised tax advice regarding electricity tax law and expertise in new ‘private notes’ investments that offer attractive tax benefits for international investors. Tax and customs expert Gastón Armando Miani, who also has extensive litigation experience, leads the team. Strong associate level support is offered by Ana Ines Do Nizza (tax advisory and tax litigation) and Micaela Aisenberg (corporate tax and tax planning). The team also draws on the broad experience of versatile tax counsel Juan Pablo Baumann Aubone, who handles the tax aspects of financial structuring, M&A, corporate reorganisations, investment structures and promotional tax regimes. Since publication, the team has been further strengthened with the hire of Leonel Zanotto as a partner; focused on tax consultancy, he arrives from SMS Buenos Aires with effect from March 2024.

Abeledo Gottheil Abogados advises on transactions, tax planning, tax-free reorganisations and litigation against national, provincial and municipal tax authorities at all levels. The practice is co-led by experienced tax lawyers Gabriela Inés Buratti and Eduardo Mujica.

Deloitte Legal - Legal y Fiscal S.A. works closely with Deloitte’s tax accounting arm to support local and international clients on tax planning, compliance and transfer pricing matters. The team is best known, however, for its specialist expertise in tax disputes, litigating in every local and federal jurisdiction. Inflation adjustment and turnover tax disputes have been particularly busy areas. Cynthia Calligaro leads the practice.

DLA Piper Argentina provides tax advice covering federal, provincial and municipal taxes to both local and foreign clients. The practice also offers tax planning support and representation in administrative and judicial proceedings. The team is especially strong for transactional matters, providing tax due diligence and post-deal tax structuring expertise on complex, cross-border deals. The practice is led by Augusto Nicolas Mancinelli, who handles tax planning, litigation, federal and local taxation and criminal tax law.

Corporate and tax boutique Salaberren & Lopez Sanson (SyLS) keeps a low profile but advises an impressive list of domestic and international clients. The team is well-regarded for its experience handling the tax-aspects of transactional matters. Tax litigation matters are  also undertaken. Respected department head Sebastián López Sanson specialises in tax planning work and has thriving technology practice. Highly-rated tax litigation lawyer Ruben Atim leads on tax disputes. Moreover, the firm announced the opening of an office in Montevideo, Uruguay, in conjunction with well-known local practitioner (and former Posadas, Posadas & Vecino partner), Eduardo Ferrari, with effect from June 2023.