BLP is commended for its ability to handle complex project financings both in Costa Rica and throughout Central America, advising leading sponsors and major financial institutions on domestic and cross-border transactions relating to large-scale energy, port, toll road and government infrastructure developments. The ‘comprehensive’ practice also covers public bidding processes, the structuring of public-private partnerships (PPPs), the acquisition of energy projects and regulatory issues. At the head of the team, Luis M. Castro is a well-regarded name for project financing, particularly in the energy and real estate spaces, and Luis Ortiz is frequently sought out for his advice on public procurement and administrative matters. Project finance is also a key area of expertise for the ‘excellent’ Julio Castellanos, who has advised international banks and multilateral organisations on high-profile energy and infrastructure projects, Pablo Umaña, who co-heads the regional project finance practice, and director Adriana Acuña.

Arias remains a strong choice to advise on the full spread of projects-related issues, with a diverse client base that ranges from government departments to major international banks and corporations. The team particularly stands out for its expertise in administrative and constitutional proceedings, government procurement, compliance and regulatory approvals, and public bidding processes relating to project developments, while other areas of expertise include public project financing. Practice head Carlos Ubico has considerable strength in advising both public and private sector clients on infrastructure projects and public procurement. Senior counsel Luis Diego Obando, whose practice takes in regulatory issues, public procurement disputes and assistance to government entities, is another key name.

Zürcher, Odio & Raven has a stellar reputation for advising both private and public entities (including government ministries) on the development of major transport, energy and utilities infrastructure projects. The team is frequently called upon to advise on public tenders, and is also well versed in negotiations with administrative entities and disputes relating to the award of public contracts. Overseeing the practice, Claudio Donato Monge, a key adviser to leading international corporations and government bodies alike, assists with projects across the aeronautic, energy, highway and infrastructure spheres, while associate Claudio Donato López takes the lead in relation to tendering processes. Other key figures include Ignacio Gallegos, who has particular expertise in PPPs, constitutional law expert Marco López Volio and senior associate Marcia Madrigal, a specialist in public procurement who joined the firm in October 2024 from a role in the public sector.

Drawing on the firm’s strength in public law, ECIJA's ‘responsible, attentive and committed’ projects team is well equipped to advise on public procurement proceedings and appropriation processes, acting for clients including construction companies, utility cooperatives and government departments. The team also has robust skill sets in project finance, energy sector transactions, disputes relating to project construction and regulatory issues. Associate Alonso López, who combines expertise in public law and infrastructure projects, directs the team, while Mariela Hernández, who focuses on energy-related matters, lends her experience to the team.

Highlighted for its ‘technical expertise, strategic focus and understanding of the local and regional context’, Oller Abogados demonstrates strong expertise in the public law elements of projects matters, advising on everything from public tenders for major infrastructure projects to disputes over the awarding of contracts for public works. Its client base spans the construction, infrastructure, tech, pharmaceuticals and medical sectors. Roberto Esquivel, whose key strengths lie in procurement and public contracting, co-heads the team with Rubén Hernández, a highly regarded figure in the field of public and constitutional law.