Aisha Calderón > Mijares, Angoitia, Cortés y Fuentes S.C. > Mexico City, Mexico > Lawyer Profile

‘A great team, always attentive to the deal‘, the energy group at Mijares, Angoitia, Cortés y Fuentes S.C. is especially strong in financing projects and assisting with acquisitions across a varied range of subsectors. Its recent activity has included farmout agreements in the hydrocarbons sector, and assisting with the development of a green hydrogen project in the state of Oaxaca. Practice co-head Horacio de Uriarte draws on extensive experience across the range of Mexico’s energy and infrastructure projects, handling both legal and regulatory aspects. His fellow co-lead, Patricio Trad, is a corporate finance all-rounder. With 15 years at the firm, Aisha Calderón is the key associate contact and is particularly well regarded for renewable energy and environmental law issues. Since publication, infrastructure specialist Fernando Guerrero, who is also active as regards energy projects, has been raised to the partnership – effective as of January 2025.

The practice at Mijares, Angoitia, Cortés y Fuentes S.C. specialises in a range of mandates, including environmental due diligence for M&A transactions, administrative and criminal environmental litigation, carrying out environmental risk evaluations, and advising on remediation processes. Ensuring compliance with environmental regulations concerning water use, wastewater discharges, air pollution emissions, and environmental impact reports are all additional facets of the practice. Leadership of the practice group is shared between counsel Gabriel Calvillo and senior associate Paula Pérez. Calvillo brings previous experience as head of Environmental Crimes Division of the Federal Department of Justice to the table and focuses on representing corporations in litigation, as well assisting with environmental due diligence. Pérez, for her part, takes care of environmental impact assessments, hazardous and non-hazardous waste management, soil pollution and urban development matters. Associates Paulina Martínez (administrative litigation and environmental compliance) and Aisha Calderón (renewable energies and environmental law) are additional names to note.

‘Knowledge, speed, quality in deliverables, and practicality’ are the calling cards of the group at Mijares, Angoitia, Cortés y Fuentes S.C., which specialises in advising financial institutions and multinationals on the financing of infrastructure projects – primarily renewables, oil-and-gas, water treatment, waste management, ports, highways and railroads. A recent highlight saw the group assist Aleatica and Invex Infraestructura with the negotiation and execution of a structured financing by means of a loan agreement for up to MXN $4.8bn in order to refinance its debt. A trio of partners shares leadership of the practice: Horacio De Uriarte focused on advising both lenders and borrowers in relation to project finance mandates, as well as on the regulatory aspects of energy and infrastructure projects – notably those involving natural gas pipelines, LNG terminals and toll road projects. Patricio Trad majors on M&A, corporate and structured finance, securities regulation, and infrastructure and energy matters; and Eugenio Macouzet handles corporate matters, debt and equity offerings, real estate, and projects work. Senior associate Anacandy Perusquía‘s practice is centred on private equity transactions, M&A, and corporate and project finance; associate Aisha Calderón has a growing role in renewable energy and environmental matters. Since publication, Perusquía and administrative and regulatory projects specialist Fernando Guerrero have been raised to the partnership – effective as of January 2025.