Jaime O’Reilly-Pérez

Mariana is the Managing Partner for our Mexico City Office. Mariana has almost 20 years of legal experience, and is admitted to law practice both in Mexico and in the State of New York, USA. Her practice is primarily focused on two fronts. The first is advising national and multinational companies in domestic and international tax issues (inbound and outbound), including mergers and acquisitions, corporate restructurings, leveraged financing and project financing, tax aspects of compliance an...

Jorge has more than 10 years of legal experience. His practice is primarily focused on national and international corporate tax issues as well as wealth management issues. He has experience in a variety of tax matters, including M&A, corporate restructurings, transfer pricing and legal audits. His experience also comprises tax litigation, as well as the implementation of defense strategies before tax and judicial authorities. Jorge has a candidate of Master of Laws (LL.M.) in Internationa...

Erick Hernández represents domestic and international clients on environmental and energy matters, including corporate finance, healthcare, regulatory compliance and real estate matters. Erick has represented clients in several project finance, mergers and acquisitions and electric energy tenders, as well as hydrocarbons tender procedures, both in accordance to the new energy reform in Mexico.Erick has been practicing Mexican environmental, energy, real estate, administrative and regul...

Andres has more than fourteen years of experience advising clients in corporate, mergers and acquisitions, general financing, joint ventures, due diligence, business structuring, divestitures, sales, spin-offs, dissolution, company liquidation, and real estate transactions. He has also helped to set up and oversee operations in Mexico for local and multinational clients. Additionally, Andrés has broad experience in the mining, energy and environmental sector, including environmental pe...

Alejandro Landa Thierry is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law and Project Finance and Development Practice. Alejandro, who practices law in Mexico City, Mexico, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alejandro is held by other top lawyers in the same geographic and legal practice area.

Javier Sterling holds a law degree from Universidad Panamericana and has more than 10 years of experience in the resolution of highly complex civil and commercial disputes. Since the beginning of his career, he has represented national and foreign clients before local and federal courts. His high degree of specialization has allowed him to resolve conflicts between shareholders, either representing the company, the controlling shareholder and/or the minority group. In addition, Javier advises...

Maribel Tovar Frías is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative Law and Media and Broadcasting Law. Maribel, who practices law in Mexico City, Mexico, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Maribel is held by other top lawyers in the same geographic and legal practice area.

Rodrigo Vázquez del Mercado is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law and Natural Resources Law. Rodrigo, who practices law in Mexico City, Mexico, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Rodrigo is held by other top lawyers in the same geographic and legal practice area.

Founding Partner Born in Mexico City on January 29, 1968; He obtained his law degree (JD) at Universidad Anáhuac in 1992 and postgraduate course on business law at the Escuela Libre de Derecho in 1993-1994. Mr. Del Rio worked at Creel, García Cuellar & Mügenburg, S.C. for two years, and in Bufete Carrillo Gamboa, S.C. for eighteen years, being partner for such firm for the last nine years. He has focused his practice in corporate law, commercial Law, financial Law, fore...

Guillermo has more than twenty years of experience in tax planning, including taxation of corporate restructuring transactions, mergers, acquisitions, and general tax advice, especially for business and multinational groups with operations in Mexico where he provides advice to achieve fiscal efficiency and provide assistance in developing tax policies for ongoing operations. His experience extends to transfer pricing, including the legal analysis of the implementation of policies, documentati...