Beccar Varela provides specialised public law advice to local and international clients in a range of sectors, including transportation, infrastructure, the life sciences and technology. The ‘excellent’ team is one of the ‘best in the country’ and handles a variety of work at the federal, provincial and municipal levels. Areas of expertise include public procurement, bid processes, public works, infrastructure concessions and public-private partnerships (PPPs). The team also advises on matters involving government contracts, public finance, zoning and highly regulated industries. Juan Antonio Stupenengo (highlighted for his ‘technical skills’) co-heads the practice alongside veteran practitioner Oscar Aguilar Valdez, who has extensive public law and disputes expertise. At senior associate level, Juan Pablo Perrino stands out for his ‘technical and practical knowledge’, while Santiago Barbarán brings his public sector experience -at both provincial and national levels- to bear.

The ‘technically excellent’ and ‘strategically minded’ Marval O’Farrell Mairal public law practice offers highly valued support to domestic and international clients that compares to ‘the highest international standards’. The dedicated practice group is one of the largest in Argentina and plays a key in role in public-private partnerships (PPP) and big ticket infrastructure projects. The team has helped a number of clients to secure and renew major government tenders and concessions, and its public procurement track record is equally formidable. Clients also seek the out the group's services when involved in complex, sensitive negotiations with regulatory authorities - a specialsim where it has secured multiple successes helping clients to agree government subsidies and large-scale supply agreements. Marval’s public law disputes work impresses too, with the firm advising on a wide range of disputes and litigation, including tariff annulments, Central Bank regulations and concession-contract disputes. Moreover, the team has built on this disputes expertise to become an influential regional player in investment disputes and international arbitration proceedings. Advising on public ethics and the public law aspects of M&A deals are other areas of strength. The practice is co-led by iconic firm founder Héctor Mairal; the ‘excellent’ María Lorena Schiariti, who ‘adds value to the decision-making environment’; and Enrique Veramendi, who ‘manages complex, multi-jurisdictional litigation cases with a perfect organisation’. The practice has further strengthened its talent pool with the August-2021 promotion of Gonzalo Santamaria to partner and the recruitment of four new associates, including the October-hire of rising star senior associate, Sofia Cimmarusti, from Allende & Brea.

‘Capable and prepared’, Allende & Brea‘s public law team advises local and international clients on public procurement, and administrative and environmental matters. The practice also handles the public law aspects of M&A and project finance work, and demonstrates expertise in both advisory and litigious capacities. The group is particularly active in the construction, engineering and infrastructure sectors. Practice head María Morena Del Río, who specialises in public procurement proceedings, public contracts and disputes, has a ‘dedicated and excellent relationship with clients’ and has built a ‘great’ and ‘attentive’ team. Nevertheless, rising star Sofia Cimmarusti left the firm to join Marval O’Farrell Mairal in September 2021 and was replaced by senior associate Lucrecia Re  the following month. The group can also call on the know-how of Diego Botana who has niche public law expertise concerning the constitutional rights of companies in highly regulated sectors.

Bomchil has extensive knowledge of public law, regulated industries and state entities, and is particularly recognised for its experience in administrative and court proceedings. The team regularly represents domestic and international clients before provincial and national courts and also handles public bids, administrative appeals and constitutional actions (amparos). Other areas of expertise include advising on public-private partnership (PPP) negotiations, contract terminations, privatisations and renewable energy power purchase agreements. The team is especially prominent in electricity, energy and transportation matters, with the firm an adviser on some of Argentina’s earliest electricity sale and export agreements. Mining, telecommunications and utilities are other key sectors for the practice. A trio of respected public law partners co-lead the practice. María Inés Corrá is an experienced energy, public law and international arbitration lawyer; Francisco Gutiérrez is known for his TMT expertise, and Federico Campolieti has advised on regulatory and administrative law matters for more than 20 years.

Experienced energy and regulatory specialist Ignacio Minorini Lima  leads a Bruchou & Funes de Rioja public law practice that is best known for its regulatory law expertise - particularly in the utilities sector, along with its litigation capabilities. The team advises corporates and government entities on tenders and day-to-day regulatory matters as well as handling complex regulatory disputes before administrative authorities, courts, and arbitral tribunals. The group has advised on high-stakes nationalisation and expropriation disputes, as well as early concession terminations and regulatory disputes. Energy, transportation, oil-and-gas, and public infrastructure are all areas of specialty, with advice on summary administrative proceedings another segment where the practice has a strong reputation. Other key names include senior counsel Carlos De Kemmeter, an administrative and regulatory law specialist, and Juan Antonio Zocca, who was raised to the partnership in 2022.

O'Farrell advises clients in heavily regulated markets and provides support in administrative claims against the Argentine state at both federal and local level. In addition the ‘very knowledgeable’ and ‘dynamic’ practice counsels on public procurement, infrastructure and public works contracts. Dredging and maritime law are particular areas of expertise, with the team also leveraging the wider  firm’s power sector credentials to secure work concerning energy tariff regimes. Additionally, the practice offers regular support on administrative and regulatory matters to public-service sector companies. Public law and litigation specialist Jorge Muratorio and dedicated public law expert María Agustina Fanelli Evans co-lead the team. Up-and-coming associate Ana Belén Micciarelli is another name to watch, receiving praise from clients and being prominent on multiple matters of late.

The ‘responsive’ Martínez de Hoz & Rueda delivers ‘practical’ public law advice on a range of matters including concessions, licenses, authorisations and representations in public tenders. The team also handles litigious and arbitral matters, supporting clients in administrative and judicial proceedings. The public law team leverages the firm’s formidable energy-sector expertise and is regularly sought out by global and domestic energy and oil-and-gas players to address all their public law requirements. Juan Cruz Azzarri, who has broad administrative, constitutional and energy law expertise, co-leads the practice alongside Jimena Vega Olmos, who specialises in public law, international arbitration, infrastructure, power and project financing.

Experienced transactional, dispute resolution and public law partner Horacio Ruiz Moreno leads a Mitrani Caballero & Ruiz Moreno Abogados public law team that advises clients on international public tenders and disputes, as well as offering support on project financing for large infrastructure projects. The practice is particularly prominent in the natural resources and life sciences sectors, but also covers other regulated industries including chemicals, transportation and automotive. In addition, the team is regularly sought out to advise on the public law aspects of M&A transactions and assist clients through regulatory disputes and negotiations with governments related to asset expropriations. Rafael González Arzac, who has broad administrative law, public contracting and public services regulation expertise, is another key name, alongside Néstor Buján, who advises international organisations, governments and private clients on contentious and non-contentious public law and dispute resolution matters. Administrative and environmental law specialist María Laura Lede Pizzurno focuses her practice on regulated industries, including natural resources, life sciences and infrastructure. Associate Luciana Casagrande moved to Pérez Alati, Grondona, Benites & Arntsen in January 2022.

‘High professionalism’, ‘efficiency’ and ‘speed’ characterise a Pérez Alati, Grondona, Benites & Arntsen public law team that supports clients from a broad array of sectors on public procurement, contract disputes, concessions and licences. The practice is known for its work in highly regulated sectors such as finance and pharmaceuticals, and is also building out a distinctive NGO practice. Team head Nicole Jaureguiberry was promoted to the partnership in early 2022 and has expanded her bench of talent with the hire of associate Luciana Casagrande from Mitrani Caballero & Ruiz Moreno Abogados, who joins senior associate and key support Joaquín Ojeda Goncalves.

Tavarone, Rovelli, Salim & Miani provides a full suite of public law services, working with clients on public law contracts and procurement procedures, complex infrastructure projects (including EPC contracts), public bidding and everyday regulatory matters. The team also has experience in complex disputes, advising on matters that have come before the National Supreme Court and ICSID arbitrations. The group advises clients across multiple sectors, but is particularly strong in energy, with experienced energy specialist Nicolás Eliaschev leading the team. The practice’s second line is fronted by senior associate Javier Constanzó, who is active in public law, energy and infrastructure matters; while up-and-coming associate Daiana Perrone is noted for her work in in the renewable energy, PPA and land-rights areas.

Zang, Bergel & Viñes Abogados advises local and international public utilities, public contractors and businesses in highly regulated sectors on various administrative procedures related to securities regulation, competition, foreign exchange matters and environmental issues, among others. The practice is especially strong in dispute resolution and public law litigation, representing clients before courts and in arbitral proceedings. Practice head Ignacio Sanz stands out for his ‘professionalism, high competence and strategic vision’.