The ‘brilliant’ Liban Kusa, best known for his tax litigation expertise, heads a Bruchou & Funes de Rioja tax practice that displays ‘in-depth knowledge’ of tax law and profound commercial awareness. The practice advises families and corporates on all major tax matters, ranging from tax planning and structuring through to tax litigation, where the team has worked on numerous high profile matters. The team has also been active advising business and individual taxpayers on migrating tax residency out of Argentina. Ezequiel Lipovetzky, who has an extensive high-net-worth client-base, as well as expertise in transactional tax, is another key figure; with Daniela Rey recognised for her work on complex corporate and financial tax matters. Nicolas Nogueira Castellini specialises in customs and tax litigation at national, provincial and municipal levels. Partner and leading individual Matías Olivero Vila  left the firm and the end of 2021 to focus fully on leading a campaign to reform Argentina’s high tax burden. Since publication, the firm has raised Pablo M Muir to the partnership - effective as of March 2023.

Clients praise Marval O’Farrell Mairal‘s tax practice for its ‘remarkable analytical capacity’, ‘deep knowledge of the market’ and experience handling ‘complex’ and ‘sensitive’ matters. The team is co-led by partners María Inés Brandt, who provides high-level transactional and tax planning advice; corporate taxation expert Walter C Keiniger; the ‘highly regarded’ Gabriel Gotlib and the ‘excellent’ M&A tax expert Fernando Vaquero. Veteran tax and customs lawyer Horacio García Prieto is another senior presence. A deep pool of talent at associate level, including international tax specialist Maria Paula Castelli, tax litigation lawyer Sergio Vergara and tax all-rounder Luciana Virgile enables the practice to provide a full-service tax offering to international and domestic clients. The team is a formidable presence in transactional tax matters, working closely with colleagues in the firm’s heavyweight corporate and M&A practice, but also displays an impressive track record in big-ticket tax litigation matters, tax planning and wealth management, among other areas.

Bomchil‘s absorption of the highly regarded tax boutique Teijeiro & Ballone, Abogados has added significant depth and capability to its tax practice. Following the deal, ‘outstanding professional’ Guillermo Teijeiro  and the ‘excellent’ Mariano Ballone have joined ‘top international tax specialist’ Alejandro Messineo and Ariadna Artopoulos, who clients praise for her ‘technical knowledge and experience’, as practice co-heads. The February-2022 merger also saw the arrival of associate Mariano Rajoy, with semi-senior Agustina Salatino having joined from Estudio Litvak y Asociados in mid-2021. The practice offers a full suite of tax expertise, covering corporate, M&A, restructurings and financial and litigation matters as well as maintaining a private client roster. The addition of senior talent to the team has supported high-profile client wins in the technology, media and automotive sectors. The practice is also known for its tax expertise in nascent digital industries, including fintech and cryptocurrencies. Former associate Santiago Bergallo left the firm to take up a role with PwC.

The O'Farrell tax practice stands out for its impressive track record in tax litigation, representing a range of corporates and individuals in high-profile tax disputes at national, provincial and municipal levels. The experienced Miguel A.M. Tesón leads a closely knit team of partners who ‘deal with issues in depth’ and are ‘excellent at following up’. Valeria Estathio, a specialist in federal and international tax law, is recognised for her ‘commitment to the client’, while María Celina Valls is a prominent presence in tax dispute work. Guillermo Lalanne is widely recognised for his expertise in constitutional tax law and complex litigation, and has been a key figure in some of the firm’s most important matters. The firm has strengthened its second line with the hire of associates Jalhil Damus Pastorio, Guadalupe Schettino and Juliana Schettino.

Clients praise Pérez Alati, Grondona, Benites & Arntsen‘s tax practice for its ‘high quality’ analysis and ‘fast’, ‘responsive’ client engagement. Tax litigation on multiple complex matters that have risen to Argentina’s Federal Supreme Court and Federal Tax Court have provided a high volume of work for the practice, which also handles tax planning, tax reorganisations and transactional tax matters. Tax litigation and cross-border specialist Manuel Benites co-leads the team alongside Luis Nuñez, a tax claims and litigation expert; and Andrés Galíndez, who is strong on customs litigation. The practice also boasts a strong second line of counsels, including Facundo Fernández Santos, who focuses on transactional work, tax planning and transfer pricing matters; tax litigator Matías Corte and customs litigation specialist Germán Martín Quirán. Cristina Di Benedetto, meanwhile, is experienced in hydrocarbon tax and royalty claims, and supports the firm’s impressive pool of energy clients. Since publication, Fernández Santos has been promoted to the partnership - effective as of November 2022.

The ‘excellent’ Nicolas Procopio, who has broad experience in litigation, transactional and tax planning matters for corporates and individuals, co-leads the ‘business-oriented’ Allende & Brea tax team, alongside Raúl Fratantoni, head of the firm’s well-established private client business. The team has supported a number of international clients in tax litigation and disputes of late, but also sustains a portfolio of transactional and day-to-day corporate work. Associates Maria Fernanda Minetto and Bautista Dasso focus mainly on private client and private bank engagements, but also take on corporate tax work. Paula Polimeni and Mariano Federico Anna are key figures for tax dispute and litigious matters.

‘Extraordinary’ tax lawyer Santiago Montezanti fronts a Beccar Varela tax team that clients describe as ‘well-structured’ and ‘technically very good’. Despite a testing market backdrop, the team has sustained a high volume of transactional work, advising on the tax aspects of multiple M&A, joint venture and restructuring deals across the real estate, telecommunications, media and fintech sectors, among others. Senior associate María de los Ángeles Olana, who advises on local and international tax matters and handles litigation work, is another key name in this young team, alongside Enrique Lopez, who has broad tax law expertise, and Fernando Botello, who handles both advisory and dispute mandates.

The ‘excellent’ Corina Laudato leads a Mitrani Caballero & Ruiz Moreno Abogados tax team that clients praise for its responsiveness and technical expertise. The team’s roots lie in tax structuring and tax planning work in M&A, joint ventures and financing, with the practice also known for providing tax and estate planning advice to families and high net worth clients. More recently the practice has also gained a higher profile in litigation matters. Other key names include tax and customs expert Gloria Gurbista and international corporate restructuring and governance specialist Juan Ignacio Soma. Associate Juan Manuel Iglesias Mamone, who has litigation experience and also advises on the tax aspects of M&A and cross-border investment, is recognised for his ‘collaborative spirit’ and ‘responsible provision’.

The ‘efficient’ Deloitte & Co. S.A. tax team specialises in tax controversies, and works closely with Deloitte’s tax accounting arm to advise local and international corporates on dispute resolution strategies. Cynthia Calligaro leads the practice, which has secured favourable outcomes for clients in inflation adjustment and turnover tax disputes.

Name partner and tax planning specialist Sebastián López Sanson leads the tax practice at corporate and tax boutique Salaberren & Lopez Sanson (SyLS). The practice is closely integrated with the firm’s corporate team and stands out for its engagement on transactional matters. Respected tax litigation lawyer Ruben Atim adds tax controversy capability to a practice that keeps a low profile but advises an impressive list of domestic and international clients.

Experienced tax litigation and customs lawyer Gastón Armando Miani leads a Tavarone, Rovelli, Salim & Miani tax practice that works closely with the firm’s banking and finance and energy practices. The team has litigation, tax planning and transactional capability and has been particularly active advising on the tax aspects of bond issuances and restructurings. Counsel Juan Pablo Baumann Aubone  advises on the tax aspects of financial structuring, M&A, corporate reorganisations, investment structures and promotional tax regimes. The team also draws on the expertise of senior associate Ana Ines Do Nizza, who focuses her practice on tax advisory and tax litigation; and semi-senior Micaela Aisenberg, who provides advice on corporate tax and tax planning in local and international matters.

The ‘excellent’ Diego Embon, who clients single out for his ‘extensive’ knowledge of tax law, leads Zang, Bergel & Viñes Abogados' tax practice. Transactional tax advisory has been a key source of work in recent years, with the team particularly strong in the real estate and media and technology sectors. The practice is also active in litigation, forex matters and tax planning.