
The energy and infrastructure practice at Santamarina y Steta advises on the development, financing and acquisition of a broad range of infrastructure assets, including airports, railways, viaducts and desalination plants. The team is particularly experienced in working alongside development banks on cross-border financings. The department is jointly led by Juan Carlos Machorro, Sergio Chagoya and Ricardo Orea. Machorro brings over 30 years’ experience in divestitures and loan facilities involving transport infrastructure, while Chagoya advises banks, developers, issuers and investors on PPP and public concession matters, project finance, M&A and regulatory matters. Orea, meanwhile, handles a range of financing deals involving energy, transport, and social infrastructure projects. Diego Ostos is also active in project finance and M&A, while senior associate Pablo Ortiz Monasterio is experienced in PPP structuring and implementation.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- Sergio Chagoya stands out for his knowledge and professionalism, with an impressive resume, but above all, he is distinguished by his human qualities and kindness.
- Santamarina Y Steta is distinguished by its highly qualified team of legal and financial professionals. The lawyers conduct themselves with great professionalism and provide personalised attention to each client.
- They represent stability and experience. They are lawyers with a proven track record who inspire confidence in both the bank and the borrowers. Their approach is professional, respectful, and always focused on finding a way to make the transaction work.
- This team possesses an unparalleled institutional memory. They have a thorough understanding of the background of projects and the structures. Their ability to integrate input from other departments into loan implementation is impeccable.
Key clients
- Banco Nacional de Comercio Exterior
- Consorcio Integral de Comercio Exterior
- Oesterreichische Entwicklungsbank AG (OeEB)|
- MUFG Bank LTD
- International Finance Corporation
- Banco Mercantil del Norte, Institución de Banca Múltiple, Grupo Financiero Banorte
- Arrendadora y Factor Banorte, SOFOM, ER, Grupo Financiero Banorte
- Grupo Industrial Saltillo
- Banco Santander (Spain)
- Oesterreichische Entwicklungsbank AG
- Sumitomo Mitsui Banking Corporation
- Banco Nacional de Obras y Servicios Públicos Institución de Banca de Desarrollo
Work highlights
Advised Banorte on the negotiation and granting of a loan facility for the construction of an infrastructure project, consisting of section one of the urban collector road "DV Pátzcuaro" in the state of Michoacán.
Advised Bancomext in connection with a US$17m financing granted to a subsidiary of Grupo TMM, S.A.B. for the acquisition of an artificial dock.
Acted for 1st Source Bank in over a dozen multijurisdictional aircraft finance transactions, including lease agreements, lease terminations, secured loan transactions, and guarantor substitution and change-of-operator structures, involving fixed-wing aircraft and helicopters across multiple U.S. and Mexican jurisdictions.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
Juan Carlos Machorro; Sergio Chagoya D.; Ricardo Orea
Other key lawyers
Ricardo Orea; Diego Ostos; Pablo Ortiz Monasterio; Mauro Valencia; Rebeca Chaidez
