Beccar Varela handles a variety of public law work at the federal, provincial and municipal levels for clients in the transportation, infrastructure, life sciences and technology sectors, among others. The team’s expertise ranges from public procurement, bid processes, public works, infrastructure concessions and public-private partnerships (PPPs), to government contracts, public finance, zoning and highly regulated industries. The firm is also well-versed in contentious public law litigation, handling administrative and judicial review procedures including injunctions, class actions, and appellate reviews. Juan Antonio Stupenengo focuses on constitutional, administrative and regulatory law and co-leads the practice with Oscar Valdez, who focuses on public procurement, infrastructure concessions and PPPs. Administrative and regulatory law-focused associate Juan Pablo Perrino is another key name, as is Santiago Barbarán, who has wide-ranging public sector experience.

One of the largest and most experienced public law-focused teams in Argentina, Marval O’Farrell Mairal is sought out by local and international clients for its deep expertise across a wide range of administrative and public law matters. The team handles public-private partnerships (PPP) and big ticket infrastructure projects, and has assisted a number of clients to navigate public procurement processes and secure or renew major government tenders and concessions. Sensitive regulatory negotiations, subsidies and supply deals are also areas of activity for the practice group, as are public law disputes work  – including contentious tariff annulments, and Central Bank-regulation and concession-contract disputes. The team is also active in investment disputes and international arbitration proceedings involving the state. Public ethics and the public law aspects of M&A are other areas of expertise. The formidable Héctor Mairal is one of the country’s foremost administrative law experts and co-leads the team with experienced administrative practitioner María Lorena Schiariti and Enrique Veramendi, a regulatory and administrative specialist who also undertakes constitutional and administrative litigation. The practice draws on a strong bench of supporting talent, including experienced dispute resolution partner Gonzalo Santamaria, and associates Milagros Ibarzábal (supply agreements) and Sofia Cimmarusti (public contracts and procurement).

Allende & Brea’s public law team is called on for support across a wide variety of public procurement, administrative and environmental law matters, and is well known for handling public finance mandates, litigation and M&A-related public law work. Engineering, construction and infrastructure are key segments. Practice head Maria Morena Del Rio is actively involved in public works and infrastructure projects, and is particularly well-versed in procurement proceedings, public contracts' claims, dispute procedures, judicial reviews and regulatory advice. Respected corporate partner Diego Botana, who is recognised for the depth of his expertise in the niche area of company constitutional rights in highly regulated sectors, is also available to the team. Key associates Vanesa Fernandez (administrative and regulatory law) and Lucrecia Re (public contracts, procurement, administrative law and judicial procedures) lead the second line.

Administrative proceedings and complex disputes that come before federal and provincial courts are particular areas of strength for Bomchil, which is equally comfortable working on public bids, administrative appeals and constitutional actions (amparos); as well as public-private partnerships (PPP), contract terminations, privatisations and renewable energy power purchase agreements. The team’s wider expertise in the electricity, energy and transportation industries makes it a go-to public law adviser for companies in these sectors, but it is also recognised for its mining, telecoms and utilities experience. María Inés Corrá has advised on disputes, tariff reviews, natural gas export restrictions, regulatory licenses, subsidies and concessions during a public law career spanning more than two decades. She leads the practice together with telecoms partner Francisco Gutiérrez and long-serving regulatory and administrative law specialist Federico Campolieti.

Well known for the depth of its oil-and-gas and utilities expertise, Bruchou & Funes de Rioja supports clients in these and other sectors on a wide range of public law matters, encompassing regulatory advisory; concessions; expropriations; public procurement; complex disputes and litigation before administrative authorities, courts, and arbitral tribunals. The team strengthened its senior leadership with the April 2022 promotion of regulatory specialist Juan Zocca to the partnership. He now co-leads the practice with established dispute resolution and public law partner Ignacio Minorini Lima. The practice can also draw on the vast experience of administrative and regulatory law of counsel, Carlos De Kemmeter; while Maria Laura Rozan – whose practice encompasses various regulated industries – is the main contact at associate level.

Mitrani Caballero & Ruiz Moreno Abogados represents clients in a variety of complex public-law related M&A transactions, infrastructure project financings, international public tenders and disputes. All major regulated industries are covered, including the pharmaceuticals, chemicals, natural resources, transportation and automotive sectors. The team’s expertise in government contracts at federal, provincial and municipal level is particularly notable, as is its work in regulatory disputes, nationalisations and expropriations. The practice is led by Horacio Ruiz Moreno, a public law authority with decades of administrative law and dispute resolution experience. He receives senior level support from veteran practitioner Rafael González Arzac, who has broad administrative law, public contracting and public services regulation expertise; Néstor Buján, a specialist in litigation and administrative, regulatory and competition law; and versatile administrative, environmental, and regulatory lawyer Gustavo Cedrone.

O'Farrell’s significant experience in highly-regulated sectors such as electricity and telecoms has seen the firm develop strong expertise across a broad array of public law matters, including public works, infrastructure, public procurement, tariff regimes, and dredging and maritime law. In addition, the firm is strong in contentious matters, representing clients in judicial proceedings at all levels. Jorge Muratorio leads the practice and advises clients on litigation in heavily regulated markets and public services. Specialist public law and regulation partner Agustina Fanelli Evans is another key senior name, with associate Ana Belén Micciarelli fronting the second line.

Martínez de Hoz & Rueda leverages its deep expertise in the highly regulated hydrocarbons and electricity sectors to deliver advice across a variety of public law matters, including concessions, licenses, authorisations and representations in public tenders. The team also has strong dispute resolution capability, assisting and representing clients in various administrative, judicial and arbitral proceedings. Juan Cruz Azzarri has extensive experience across public law, public utilities, public contracts and infrastructure matters. He co-leads the practice with managing partner Jimena Vega Olmos, whose practice encompasses public law, international arbitration, infrastructure, power and project financing.

Nicholson y Cano Abogados handles advisory and contentious public law matters and is frequently sought out by clients for support in sensitive litigation against federal, provincial and municipal governments before all courts. The team’s expertise also extends to government contracts, procurement, public bidding processes, public-private-partnerships and concessions, with infrastructure and natural resources key segments for the practice. The team is co-led by veteran litigator and administrative law expert Lucas Piaggio; infrastructure and public law specialist Eduardo Koch; and Martín Rodriguez, who handles administrative, constitutional and environmental law, notably in relation to public services, economic regulation and bidding processes.

Pérez Alati, Grondona, Benites & Arntsen’s public law team handles a wide range of work, including representations in public procurement proceedings before federal and provincial governments, advice on concessions, licensing and regulatory compliance. The team is particularly sought out for its expertise in regulatory and supply contract matters in the pharma, medical and biotech sectors, as well as the heavily regulated financial services industry, and has developed a niche NGO practice too. Promoted to the partnership in 2022, Nicole Jaureguiberry leads the practice, with key support coming from associate Luciana Casagrande. Former fellow associate Joaquín Ojeda Goncalves left the firm in November 2022.

Tanoira Cassagne Abogados assists local and international companies on a range of public law matters, including advice and representation in public bids, administrative procedures and litigation. The firm also offers advice on specific regulatory legal frameworks governing the telecoms, energy, oil-and-gas, construction and digital industries, among others. Experienced administrative law partner Bernardo Cassagne has handled numerous bidding processes and privatisations; he co-leads the practice with trade and regulatory partner Francisco Rondoletti, and associate Ignacio Gonzalez Zambón, who handles public tenders and disputes. Since publication, Gonzalez Zambón has been raised to the partnership - effective as of March 2024.

Tavarone, Rovelli, Salim & Miani advises clients in the railway, road transport, telecoms and oil-and-gas sectors on a wide range of public law matters, including procurement, complex infrastructure contracts, public bids and everyday regulatory and compliance work. The disputes arm of the team is also active, with the firm representing clients across administrative, arbitration and judicial proceedings at all levels. Administrative law expert Nicolás Eliaschev, who has a particularly strong energy practice, leads a team that houses a talented bench of senior associates, including Javier Constanzó (public law, energy and infrastructure) and Daiana Perrone (renewable energy, PPA, infrastructure projects and bidding processes).