Bomchil supports a high-profile client base with a comprehensive tax offering that covers the tax aspects of capital markets deals, M&A transactions and restructurings. The team also has deep expertise in tax litigation, regulatory work and private client tax planning. Other standout areas for a firm that has expanded its client base following a merger with well-regarded tax boutique Teijeiro & Ballone, Abogados in 2022 include work on the tax aspects of cryptocurrency and fintech. The team is co-led by the vastly experienced Guillermo Teijeiro, who handles corporate, transactional and international tax work; highly-rated tax planning expert Mariano Ballone; tax litigation-focused Ariadna Artopoulos; and Alejandro Messineo, who handles international tax law, tax planning and contentious matters involving tax authorities at different levels of government.

Bruchou & Funes de Rioja supports local and international clients on all aspects of tax law, including tax planning and structuring, as well as representation in tax litigation at administrative and judicial level. The team is frequently sought out to advise on migrating tax residences out of Argentina and has built a strong reputation for expertise in the tax aspects of cryptocurrencies and cryptoassets, with transactional tax advice another active area. The practice boasts a deep roster of talent and is led by influential tax litigator Liban Kusa, who advised President Javier Milei on tax policy through the presidential campaign. Ezequiel Lipovetzky, an expert in transactional, asset management and high-net-worth tax matters; corporate and cross-border tax specialist Daniela Rey; and Nicolás Nogueira Castellini, a customs and tax litigation lawyer, provide further partner-level support, with transactional tax partner Pablo Muir rounding off the senior team. Senior associates Maximiliano Yudica Bartels (who advises on tax planning, among other areas of tax law) and Josué Antu Aguilar (who focuses on contentious tax matters) are the main contacts at junior level.

Marval O’Farrell Mairal is called on by a blue-chip domestic and international client base for advice on sophisticated tax structures, complex cross-border transactions and high-profile tax litigation, particularly against the National Tax Authority. The team is also comfortable handling regional tax work across other Latin American jurisdictions, and works closely with peers in the firm’s corporate and M&A practices to advise on the tax aspects of M&A and private equity transactions in a range of sectors, including energy, agribusiness and natural resources. The practice is co-led by a quintet of highly experienced tax partners. The exceptional María Inés Brandt handles high-level tax planning and transactional work; Gabriel Gotlib is a market reference on international tax matters; Walter C. Keiniger is known for the strength and depth of his corporate taxation practice; Fernando Vaquero is a respected M&A tax practitioner; and Sergio Vergara, who was raised to the partnership in 2023, has a strong tax litigation practice. The partner team was recently further boosted with the promotion of corporate tax lawyer Luciana Virgile in August 2024. Other key names include outstanding tax and customs of counsel Horacio García Prieto, who brings decades of senior-level experience to the table, and associate María Paula Castelli (an expert in international tax), who leads a capable second line.

Clients turn to Allende & Brea for advice on the tax aspects for M&A deals and corporate reorganisations, as well as for support on tax treaties, transfer pricing, cross-border tax matters, and tax planning and structuring. The firm is well known for advising families and high-net-worth individuals on trusts, foundations and other assets protection strategies, and is also recognised for its tax litigation work, where it represents individual and corporate clients in administrative and judicial proceedings. Respected tax lawyer Raúl Fratantoni, who has a strong private client portfolio, co-leads the team with Nicolás Procopio, who covers tax litigation, transactional work and tax planning. A strong second line of talent includes senior associates Paula Polimeni and Mariano Federico Anna, who cover tax disputes and tax planning.

Baker McKenzie advises multinational clients on tax planning and tax litigation matters, and is also called on for its expertise in transfer pricing and complex tax issues related to imports and exports. The tax aspects of Argentine subsidiary reorganisations is another busy area. Martín Barreiro, a versatile tax lawyer who is well versed in tax planning, transfer pricing and M&A work, co-leads the practice with Juan Pablo Menna, who covers customs, cross-border tax and transactions. Esteban Rópolo provides further partner-level support and focuses on international trade, customs and antitrust tax matters.

O'Farrell is best known for its outstanding track record in tax litigation, where it has secured favourable outcomes for corporate and individual taxpayers in high-stakes, precedent-setting tax disputes in the municipal, provincial and national courts. In addition to the strength of its contentious practice, the firm also covers tax-free organisations, social security tax, holding company taxation, stamp taxation and energy taxation. The practice is led by exceptional tax practitioner Miguel A.M. Tesón, who is called on by blue-chip international and domestic clients for advice on cross-border taxation matters, transfer pricing, tax planning, federal tax law and local taxation. A trio of three partners provide further senior expertise. The vastly experienced Guillermo Lalanne is a reference on constitutional and national tax law, and advises on complex litigation; Valeria Estathio is a go-to name on federal and international tax law matters, with double taxation conventions, inbound investments, and cross-border reorganisations particularly strong areas; and tax disputes lawyer María Celina Valls handles transfer pricing disputes in agribusiness and leads on inflation adjustment taxation issues.

Tax litigation is a standout area for Pérez Alati, Grondona, Benites & Arntsen, which handles contentious matters at federal, municipal and provincial level, including adverse changes in tax rules and tax authority claims. The team will also take on tax planning and transactional work, including contractural protection against tax contingencies, tax due diligence and post-acquisition tax planning. Tax-free corporate reorganisations, debt restructurings and asset transfers are covered too. Veteran tax litigation lawyer Manuel Benites, who also has a strong transactional practice, co-leads the team alongside tax law and litigation expert Luis Marcelo Núñez; customs litigation specialist Andrés Galíndez; and Facundo Fernández Santos, who covers transfer pricing and transactional matters. Counsels Matías Corte (who focuses on tax disputes); Germán Martín Quirán (an expert in customs law); and Cristina Di Benedetto (who handles hydrocarbons royalty claims and tax litigation) provide solid second-line support.

Local and international clients rely on tax boutique Rosso Alba & Rougès for market-leading advice on transfer pricing disputes and specialist expertise in the the tax aspects of agribusiness exports. The firm is also highly rated for its tax controversy work and wealth management tax advisory practice, with its advice on tax issues arising from bankruptcy proceedings and restructurings particularly sought after. The highly respected Cristian Rosso Alba is a reference on international and domestic tax structuring matters, and co-leads the team with Juan Marcos Rougès, a well-regarded customs and corporate tax lawyer who handles customs valuations, business reorganisations and tax litigation. Christian Fleischer is the other key name at partner level and focuses on business reorganisations, restructurings and transactional work. Senior associates Cecilia Burgos Baranda (who focuses on family law and inheritance tax); Irina Mizrahi (who advises on indirect, state and local taxation); and Fausto Geremia  (an expert in tax planning and wealth structuring) lead the second line. The firm has also made no fewer than nine associate-level hires during the last 18 months, including Magdalena Ghezzi, who was previously with the Ministry of Justice.

Beccar Varela provides a wide range of tax advice to local and international clients, covering tax litigation at all levels, tax planning, double taxation agreements, transfer pricing, tax-free organisations and the tax aspects of M&A. Day-to-day tax advice, including assistance with the tax aspects of setting up operations in Argentina, is also provided, while the firm’s white-collar crime team supports the practice in relation to tax and fiscal offences. The practice is headed by well-reviewed tax practitioner Santiago Montezanti, who has advised clients on international tax planning, tax-free reorganisations, M&A, and tax litigation for more than two decades. Senior associate María de los Ángeles Olano focuses on litigation and international and local tax matters, and leads the second line alongside senior associate Enrique López Rivarola, an international tax planning, tax litigation, and transactional tax lawyer.

Mitrani Caballero & Ruiz Moreno Abogados advises local and international clients on the tax aspects of M&A transactions, joint ventures and financings, and is also sought out by families and high-net-worth clients for assistance with tax and estate planning. The firm also has an active contentious tax practice and represents clients in administrative proceedings and judicial litigation at the federal and local level. The practice is led by experienced local and international tax planning expert Corina Laudato, who receives strong partner-level support from Gloria Gurbista, who covers tax and customs law, and Juan Manuel Iglesias Mamone, who was raised to the partnership at the start of 2024 and advises clients on the tax aspects of restructurings, non-resident investments in Argentina, and foreign Argentine investments. Leonel Palomares is one to watch at associate level and advises clients on Argentine taxation at federal, provincial, and municipal level.

Tavarone, Rovelli, Salim & Miani‘s strong banking expertise sees it regularly called on by issuers and lenders for support on the tax aspects of capital markets transactions, project financings and corporate finance transactions. The team is also well versed in tax planning matters and tax litigation at all levels of courts, and is particularly well known for its specialised tax expertise in the areas of electricity law; private notes (a new type of tax-efficient financial investment designed to attract foreign investors); and international tax planning structures for software start-ups. The practice is led by experienced tax litigation and customs lawyer Gastón Armando Miani, and strengthened its senior bench in March 2024 with the hire of partner Leonel Zanotto, a specialist in international and Argentine tax regulations, who leads on the team’s tax advisory work. A capable second line of experienced tax lawyers includes experienced and versatile tax counsel Juan Pablo Baumann Aubone; and senior associates Ana Ines Do Nizza, a tax advisory and tax litigation expert, and Micaela Aisenberg, who focuses on corporate tax work and tax planning.

Abeledo Gottheil Abogados stands out for the depth of its tax litigation expertise, and is sought out for support in complex tax disputes with national, provincial and municipal tax authorities before courts of all levels. The practice also handles transactional tax work and tax-free reorganisations. The team is co-led by vastly experienced tax lawyers Gabriela Inés Buratti and Eduardo Mujica. Aldana Schiavi is the main contact at associate level.

Brons & Salas provides ongoing, day-to-day tax advisory services to a diversified client base spanning various industries, with the tax aspects of social security matters a particular area of strength. The team also represents clients in cases related to federal, provincial, and municipal taxes, with M&A transactions, tax-free reorganisations and tax planning covered too. The practice is led by respected and experienced tax veteran Leandro Cáceres, who has more than two decades of experience working across tax planning, cross-border transactions, and tax litigation. Associate Santiago Arrate leads the second line.

Deloitte Legal - Legal y Fiscal S.A. leverages the global reach and expertise of its international accounting and tax network to provide local and overseas clients with advice on Argentine tax planning, compliance and transfer pricing matters. The practice is particularly well known for the strength of its tax litigation work, and represents clients in contentious matters across all federal and local jurisdictions, with inflation adjustment and turnover tax disputes prominent in its case load. Cynthia Calligaro has extensive experience in business structuring and tax planning and leads the team.

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. The team also works closely with the firm’s litigation department to represent clients in tax claims before the tax authorities. The practice is led by versatile tax lawyer Augusto Nicolás Mancinelli, who covers tax planning, litigation, federal and local taxation, and criminal tax law. Senior associate María Julieta Fernández Rotta is the main contact at junior level and focuses on tax, customs, and financial law.

ECIJA Argentina has extensive expertise in tax litigation and advisory work, and has been involved in significant disputes, including the defence of several cases challenging the extraordinary advance payment of income tax. Another active area has been disputes linked to the application of inflation adjustment to the depreciation of tangible and intangible assets, as well as to tax losses. Customs and foreign exchange issues are also covered. Andrés Chacra leads the practice and focuses on tax advisory work, as well as tax and customs litigation at municipal, provincial, national and international level.

Wiener Soto Caparrós has an established tax litigation practice, supporting clients in disputes with local and federal authorities. The team also covers customs, transfer pricing, and foreign exchange regulations, with transactional work, tax planning, business reorganisations and promotional tax benefit regimes other busy areas. Of counsel Alfredo Bisero Paratz leads the team and advises on all aspects of taxation and tax planning for domestic and international companies. At associate level, Germán Agustín Hernández and Anny Reyes - both of whom cover administrative and contentious tax and customs matters - are the main points of contact.

Zang, Bergel & Viñes Abogados provides tax advisory, tax planning, tax litigation (including criminal law issues) and foreign exchange law advice to clients in the real estate, mining, media, technology, agribusiness and retail sectors. Transactional tax matters and tax disputes at all administrative and judicial stages are particularly strong areas. The practice is led by experienced tax lawyer Diego Embón, whose expertise spans national, provincial and municipal taxation, as well as litigation and tax planning at both local and international levels.