International and domestic clients turn to the well-resourced and experienced Marval O’Farrell Mairal team for its deep administrative and public law expertise. The firm is a key adviser in complex public-private partnership (PPP) deals and a go-to choice for clients seeking advice on large scale infrastructure projects. The team is also well-versed in public procurement processes and has a strong track record of helping clients to win and renew government tenders and concessions. Public law disputes is another busy area, with the firm frequently called on to assist with contentious tariff annulments, Central Bank-regulation, concession-contract disputes, investment disputes and international arbitration proceedings involving the state. Regulatory negotiations and subsidies are other areas of expertise. The team is co-led by the iconic administrative law expert Héctor Mairal; highly-respected administrative law specialist María Lorena Schiariti; and regulatory and administrative law practitioner Enrique Veramendi, who leads on constitutional and administrative litigation. Further partner-level back-up is provided by experienced dispute resolution partner Gonzalo Santamaria, while senior associates Milagros Ibarzábal (supply agreements); Sofia Cimmarusti (maritime and infrastructure); and Maria Mercedes Mahomed (concessions, arbitration and litigation) lead the second line.
Legal 500 Editorial commentary
- Profile
Accolades
Client satisfaction
Testimonials
Collated independently by Legal 500 research team.
‘A complete firm that offers service highest quality and commitment to the client. It compares favourably with the best firms in the world.'
‘Technical excellence and commitment to the client.’
‘Lorena Schiaritti is very solid. High knowledge of administrative law, always available, and able to work to tight deadlines. Excellent client service.’
‘The team is exceptional. They stand out for the quality of their work and personal treatment, and for their availability and speed in responding to requests and resolving issues.'
‘Outstanding lawyers with a holistic vision of the issues.’
‘The team provides excellent legal advice with an intensive market knowledge and outstanding English language abilities as a crucial factor for complex cross-border and multi-national cases.’
Key clients
- Autopistas del Sol
- Dredging International
- Grupo Concesionario del Oeste
- Bank of América
- Webuild
- GE Healthcare
- Flybondi
- AWS
- Telecentro/DirecTV
- Mercedes Benz
Work highlights
Representing and advising Autopistas del Sol and Grupo Concesionario del Oeste in relation to high-profile judicial and ICC arbitration proceedings related to the potential nullification of concession contracts.
Advising Dredging International and its local subsidiaries as regards its participation in the public bidding process launched by the Ministry of Transport to build the Magdalena waterway in the mouth of the Río de la Plata to link it with the country’s territorial sea.
Advising Compañía Mega on itsinvestment project to enhance its operating capacity to transport hydrocarbons and process natural gas from Vaca Muerta.
Lawyers
Hall of fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Next generation partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Sofia Cimmarusti
Milagros Ibarzábal
Practice head
Héctor Mairal, María Lorena Schiariti, Enrique Veramendi