
The ‘well-rounded, knowledgeable and willing’ team at Santamarina y Steta is well-positioned to advise governmental agencies, state-owned and private banking institutions and private companies on the financing and development of infrastructure projects. The group advises on transactional and contentious matters, along with the regulatory elements of highway, port, mining, energy and telecoms projects. The practice is co-led by Juan Carlos Machorro, who specialises in developing and implementing investment and financing projects in Mexico; Sergio Chagoya, who focuses on corporate and regulatory matters, project and infrastructure financings, and M&A, securities and derivatives transactions; and Ricardo Orea, who deals with banking and finance, project finance, M&A and restructuring mandates. Other key lawyers include Diego Ostos (banking and finance, corporate and M&A); counsel Margarita Casarin (banking and finance, project finance and corporate and commercial matters); and senior associate Pablo Ortiz Monasterio (banking and finance, corporate law, project and infrastructure financing).
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
‘They are a well-rounded, knowledgeable and willing team that facilitates our work and understanding of the issues at hand.'
‘Sergio Chagoya, Pablo Ortiz Monasterio and their team are lawyers who are knowledgeable and experienced in infrastructure projects, and their advice covers every legal aspect required.'
- 'The attorneys at this firm have extensive experience in the matters they handle and advise on. They also display great dedication, attention, and a sense of urgency, which gives clients great peace of mind knowing they are well advised, supported, and protected.'
- 'Juan Carlos Machorro and Sergio Chagoya are both highly capable and professional, and inspire great trust and confidence in the matters they handle. One feels as if they are the firm's only client.'
Key clients
- Sumitomo Mitsui Banking Corporation
- Banco Nacional de Obras y Servicios Públicos
- Banco Nacional de Comercio Exterior
- DEG – Deutsche Investitions- und Entiwicklungsgesellschaft
- MUFG Bank
- International Finance Corporation
- Banco Mercantil del Norte
- Arrendadora y Factor Banorte
- Grupo Industrial Saltillo
- Multibank Panama
- Banco Santander
- Oesterreichische Entwicklungsbank
Work highlights
Assisted FONADIN with a project to capitalize $780m into shares of the company Copexa, for the construction of a highway in Veracruz.
Advised Bancomext in relation to the financing for the acquisition of a dock.
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; Ricardo Orea
Other key lawyers
Diego Ostos; Margarita Casarin; Pablo Ortiz Monasterio
