Urenda León Rivas & Darraidou Abogados (ULRD Abogados)
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Boutique firm Urenda León Rivas & Darraidou Abogados (ULRD Abogados) was launched in 2022. With an growing practice in high-value infrastructure and construction projects, the firm specialises in public works concessions contracts, desalination plants, highways and sanitation projects, advising clients on all stages of a project’s lifecycle. The firm is currently working on several noteworthy urban development infrastructure projects in Santiago, and is also recognised for its expertise in claims management and dispute resolution. The department is led by Juan Ignacio León, an expert in construction, public works, and mining projects; and Luis Alberto Darraidou, who has extensive experience in dispute resolution and legal frameworks for water reuse and sanitation projects.
Legal 500 Editorial commentary
Key clients
- Aguas Antofagasta (ADASA)
- Sociedad Concesionaria Teleferico Bicentenario
Work highlights
Advises Aguas de Antofagasta on the expansion works of its north desalination plant (PDN) located in the La Chimba sector of Antofagasta.


