The Firm

We are a boutique Law Firm that specializes in corporate and financial law, infrastructure projects, telecommunications, real estate, renewable energy, and dispute resolution.

Our highly qualified team has more than 20 years of experience, both national and international, structuring sophisticated projects and transactions, as well as representing clients in notable litigation and arbitration proceedings at the national level, for which we have received widespread acclaim from international publications.

We provide legal services with high professional and ethical standards, with an innovative attitude and business outlook.

Our experience, profound knowledge of the law, and personalized service have allowed us to become allies in our clients' success.

Our Practices

Financial Law and Restructuring

We offer legal advice to domestic and international financial institutions, investment banks, broker-dealers, government development agencies and Export Credit Agencies (ECAs), as well as multilateral organizations in the granting of all types of credits and financings. We also offer advice to companies in securing all sorts of financing.  

We have broad experience in corporate finance, securities market, project finance, national and subnational finance, ECAs finance, and other newfangled schemes both domestic and cross border; such as the issuance of the first perpetual bond by a Mexican non-governmental organization.

We have structured and formalized all types of collateral over a wide range of assets, including securities, cash flows, real estate property, vessels, inventory and equipment, accounts receivable and portfolios, as well as perishable products.  

Our experience in project finance includes sun and wind farms, freeways, street lighting, desalination plants, water treatment plants, and hydroelectric generation projects in Mexico. 

We have also taken part in multiple financial restructuring of companies in diverse sectors and with all types of debt and liabilities (bank loans, securities, with suppliers and the Government), both in Mexico and abroad. Highlighting our participation as advisors of the Mexican Government in the financial restructuring of the country's main satellite operator.  

We provide advice from the stages of structuring and negotiation of terms and conditions of the financing or the restructuring, including the design of collateral and payment sources, until their formalization and execution. 

Having a litigation and Dispute Resolution area in our firm allows us to offer our clients comprehensive advice that contemplates and mitigates potential contingencies, should the need arise to start judicial or arbitration procedures related to these financings or restructurings, as well as placing us in the possibility to represent them in such, including, in the event of, in insolvency or bankruptcy. 

Infrastructure Projects and PPPs

Our lawyers have broad experience in the structuring of infrastructure projects throughout all types of Public Private Partnerships (often called PPPs or P3) and have advised public agencies and private entities in the implementation of multiple projects.  

We have formed part of interdisciplinary groups of advisors, successfully working with domestic and international technical and financial consulting firms.  

Throughout our professional career, we have advised investors, developers, builders, suppliers and contractors in multiple public procurement procedures (PPPs, long-term service agreements, financed public works contracts, concessions, among others), summoned by agencies and entities at all three levels of government. 

We also have experience in structuring newfangled projects at national level, such as the first output contracts for the operation and maintenance of highways, and the special economic zones. 

We have lawyers who formed part of the public administration for several years. Therefore, we have a comprehensive overview of these types of projects, which yields better advice for our clients, taking advantage of the experience and profound knowledge of the complexities and responsibilities inherent to the management of public funds and procurement processes, which we have acquired over our professional practice.

Dispute Resolution

We offer advice and specialized consulting to domestic and international financial institutions, issuers, transnational companies, prívate assistance institutions, as well as directors, shareholders and other individuals. 

We have broad experience in litigation and arbitration in commercial, finance, securities, corporate, civil, bankruptcy and administrative matters, including Amparo proceedings. 

The profound knowledge of the law combined with the exhaustive and systematic analysis that we always conduct when dealing with our clients' matters allows us to provide a service with the highest quality standards. 

Our professionalism, legal ethics, and bilingual team have allowed us to represent all types of companies and institutions, including those that are highly regulated. 

Partners and lawyers in the firm collaborated for more than 25 years in one of the best litigation firms in Mexico, tackling highly sophisticated lawsuits and arbitration proceedings of national transcendence that have resulted in favorable outcomes for our clients. 

Having a multidisciplinary team allows us to advise our clients on the prevention, as well as litigation or arbitration procedures, taking advantage of the broad experience of lawyers who specialize in financial, corporate and regulatory matters. 


Our firm has advised clients in the acquisition, development, financing, construction and operation of renewable energy plants, as well as in the negotiation of Power Purchase Agreements (PPA's) both with the Federal Commission of Electricity (CFE) and private companies. 

Likewise, we have advised clients in the activities of transportation, storage, distribution, commercialization, and public sale of fossil fuels, petroleum products and petrochemicals. 

Our team has experience in the public and private sector, both in the oil & gas and the electricity industries. Our advisory in this subject includes regulatory, financial, real estate and M&A areas, as well as representing our clients in negotiations with institutions such as the Energy Ministry, Energy Regulation Commission (CRE), Federal Commission of Electricity (CFE), National Center of Energy Control (CENACE), National Water Commission (CONAGUA) and National Institute of History and Anthropology (INAH). 


We advise telecommunications companies on corporate and regulatory matters (both at the local and federal level), including the obtention of permits and authorizations, as well as the use and exploitation of right of way and frequencies.  

We specialize in legal, regulatory, and financial aspects for telecommunications projects, including both domestic and cross border transactions. 

We have experience advising transnational companies in processes related to restructuring, partnerships, and acquisitions of companies in the industry involved in the deployment of optical fiber and towers. 

We have advised government agencies and entities, including the Ministry of Infrastructure, Communications and Transport (SICT), and the Federal Telecommunications Institute (IFETEL). 

Our team has experience in both the public and private sectors and has taken part in sorne of the most relevant projects in the industry over the last 15 years, such as the MEXSAT Project, the Shared Network, and the design of a long-term satellite policy. 

International Trade and Regulations

Our experience in regulatory law is thorough. Our team has participated in the drafting of several technical Official Mexican Standards (NOM) and Mexican Standards (NMX), issued under the Federal Metrology and Standardization Law, the Quality Infrastructure Law, and the World Trade Organization’s (WTO) Agreement on Technical Barriers to Trade. The firm's experts have also advised clients on the creation process of technical regulations and voluntary standards, including the regulatory improvement process of CONAMER. 

Our team has experience on the procedures for the determination of antidumping measures and countervailing duties. Our experience includes the development of investigations before the Mexican investigating authority (International Trade Practices Unit) and challenging the results of these investigations at international organizations such as NAFTA/USMCA panels or the World Trade Organizations (WTO).  


Our Team has experience in antitrust filings and the development of investigations before the Mexican Federal Competition Commission (COFECE), as well as counseling on mergers that are sensitive due to high concentration levels in the market. We also advise clients on practices that threaten the free competition process. Members of our team have participated in the design of the Federal Economic Competition Law. 

Mergers and Acquisitions (M&A)

Members of our team have participated in Mergers and Acquisitions (M&A) of international and national companies, both public and private, in different sectors and with different acquisition mechanisms. Our lawyers have participated in these processes attending clients as start ups, individuals, governmental companies in privatization processes, international companies selling business divisions or development projects in Mexico. 

The acquisition processes in which our lawyers have extensive experience include industries with special regulation such as the electricity production sector, air transport services and insurance; as well as specialized sectors like restaurant chains, hospitality services, e-commerce and real estate companies, as well as financial assets of non-regulated entities. 

Our Team

Casares Carrillo Abogados is home to the best lawyers, who share their ample experience and talent in order to offer our clients innovative, multidisciplinary, creative, diverse, sophisticated, and comprehensive solutions. 

Antonio Casares Antonio Casares
Claudia Vega Claudia Vega
Christian Turegano Christian Turegano
Maetzin Ramirez Maetzin Ramirez
Alberto Cortés Alberto Cortés
Valeria Terán Valeria Terán
Antonio Casares Partner +52 55.5920.2668

He specializes in financial law, infrastructure projects and telecommunications law.  

He started his professional career in Carrillo Gamboa, S.C., a law firm that specializes in securities. Later he worked at Hegewisch Abogados, S.C., one of the most renowned civil and commercial litigation law firms in Mexico. For more than 10 years, he worked in Kuri Breña, Sánchez Ugarte, Corcuera y Aznar, S.C., where he was a partner for 4 years. He was a founding partner of Casares, Castelazo, Frías y Zárate, S.C., where he practiced for 7 years. He was a partner for 2 years in Holland & Knight, LLP, a global firm with more than 1,200 lawyers and professionals in 27 offices around the world. In addition, after finishing his master's degree, he worked at Skadden, Arps, Slate, Meagher and Flom, LLP, in New York City for one year. 

Antonio obtained his law degree from the Escuela Libre de Derecho. He studied a Master of Laws (LL.M.) at Columbia Law School of Columbia University in New York City. He also holds a Diploma in Commercial Arbitration from the International Chamber of Commerce (CCI); a Diploma in Corporate Law from the Instituto Tecnológico Autónomo de México (ITAM); and studied a Senior Management Program at the Instituto Panamericano de Alta Dirección de Empresa (IPADE). 

He is a member of the Mexican Bar Association.  

Antonio has been a panelist and has appeared in the media on programs related to infrastructure opportunities in Mexico. He has also taught postgraduate programs on the subject of securities regulation. 


  • Best Lawyers, acknowledged in Banking and Finance Law, 2018. 
  • Corporate INTL, named "Cross Border Transaction Lawyer of the year in Mexico", 2017. 
  • Acquisition International, named "2017 Ones to watch in Finance". 
  • Legal 500 Latín America, recognized for Banking and Finance and Capital Markets, 2016, Projects and Infrastructure, 2017. 
  • Latín Lawyer, named "Best Forty Lawyers Under Forty".
Claudia Vega Partner +52 55.5920.2668

She specializes in litigation and arbitration in commercial, finance, securities, civil, bankruptcy, corporate, and administrative matters, including Amparo lawsuits.  

She worked for more than 29 years at Hegewisch Abogados, S.C., one of the most renowned law firms in Mexico that specializes in civil and commercial litigation. Later she joined the firm Grupo HL Consultores, S.C., heading the Civil and Mercantile Litigation area.  

She exercised as a sole practitioner before joining the Dispute Resolution area of the law firm Casares Carrillo Abogados as partner. Claudia is a law graduate of the Instituto Tecnológico Autónomo de México (ITAM), where she earned her law degree in 1993, after having defended her thesis "Adquisición por la Sociedad Anónima de las Acciones que emita y sus Restricciones" ("Corporate Stock Buybacks and its Restrictions").  

She has undertaken different courses and earned multiple diplomas, among them the course on Amparo law given by the Instituto Tecnológico Autónomo de México (ITAM) in response to the 2013 Amendments to the Amparo Law among others at the Mexican Bar Association, of which she is a member. Throughout her professional career she has represented different people in pro bono matters.  

Her experience in litigation strengthens other areas of practice of the Firm. 

Christian Turegano Partner +52 55.5920.2668

He specializes in real estate law, renewable energy, mergers and acquisitions (M&A), foreign trade, technical barriers to trade (NOM's and NMX), and economic competition; with experience in both private practice and public administration.  

He has worked in domestic and international law firms. He started his professional career in Solórzano, Carvajal, González y Pérez Correa, before becoming an associate in Kuri Breña, Sánchez Ugarte, Corcuera y Aznar, S.C., and then senior associate in Holland & Knight, LLP. At these firms he focused on the practice of real estate law, energy, mergers and acquisitions, public and private share offerings, economic competition, and commercial arbitration.  

Between 2009 and 2013 he worked in the Ministry of Economy. At that Ministry he worked as Deputy General Director for International Legal Proceedings in the International Trade Practices Unit, which is the trade investigation authority on dumping and subsidies, before taking up the position of legal advisor to the Deputy Minister for Competitiveness and Regulation. Later, he was appointed General Director for Technical Regulations and Standardization from 2010 to 2013.  

At the Ministry of Economy he took part in the design and execution of one of the most important regulatory reforms in recent years, including the reform of the Federal Economic Competition Law in 2011, and the issuance of Equivalency Decrees to facilitate trade in medical devices and information technologies, as well as its successful defense before the National Supreme Court of Justice. 

Christian studied a master's degree at the American University, LL.M. in Washington D.C., specializing in trade treaties and regional integration; and studied in the private international law academy in The Hague, Netherlands.

He obtained his degree in law from the Universidad Nacional Autónoma de México (UNAM), during which he participated in the Philip C Jessup International Law Moot Court Competition in 2000, leading his team to the semifinals in the international rounds.  

Maetzin Ramirez Associate +52 55.5920.2668

She specializes in litigation and arbitration in commercial, finance, securities, civil and administrative matters, including Amparo lawsuits.  

She started her professional career in Hegewisch Abogados, S.C., one of the most renowned law firms in Mexico that specializes in civil and commercial litigation, where she worked for 9 years, acquiring broad experience in strategy design, consulting, advice and complex problem solving.  

Later she joined the Dispute Resolution area of the law firm Casares Carrillo Abogados as an associate.  

During her work experience she has represented different domestic and transnational companies, as well as financial institutions, in highly complex and specialized disputes, both in local and federal venues, and at the National Supreme Court of Justice.  

Maetzin is a law graduate from the Instituto Tecnológico y de Estudios Superiores de Monterrey, Mexico City Campus (ITESM­CCM), where she earned her law degree in 2010. 

She has undertaken different courses and diplomas, highlighting the Diploma of Human Rights based on practical cases, courses in legal English and courses in Amparo lawsuits, as well as civil and commercial law, at the Centro de Estudios Jurídicos Carbonell, A.C., among others. 

In 2021, she took a Masters in Legal Argumentation with a duration of 96 hours, in the Centro de Estudios Jurídicos Carbonell, A.C. 

Alberto Cortés Associate +52 55.5920.2668

He has experience in civil, commercial, notary and financial law. 

He started his career working at Notaries 60 and 217 in Mexico City, where he was involved in all kinds of operations, including the incorporation and restructuring of corporations and civil partnerships, as well as drafting different corporate operations. 

Alberto joined Casares Carrillo Abogados in February 2019, in the infrastructure and financing area. 

He undertook his law studies at the Autonomous Technological Institute of Mexico (ITAM). 

He provides pro bono legal advice on civil and corporate matters to entrepreneurs and different civil organizations and authorized charitable entities. 

Valeria Terán Law Clerk +52 55.5920.2668

Valeria is currently studying the last year of her law degree, at La Salle University in Mexico City.

Since January 2021, she has been an active member of CINED, A.C.; which is an association of law students from all over the Country with more than 250 members, it seeks to promote youth participation in social matters, to make the legal guild a fairer and more equitable place. At CINED, she’s responsible for the “LGBTTTIQA+” coordination, and also participates in the “Gender” coordination. In both of them, activism is carried in and outside social networks.

Valeria has done different volunteering programs, highlighting “Women Rules”, a program of the Global Organization AIESEC focused on women’s rights.

She has been part of the Dispute Resolution area since June 2021.



P. +52 55 5920 2668


A. Blvd. Adolfo López Mateos No. 2370
Col. Altavista 01060 Mexico City