Professional Notice

Kuri Breña Sánchez Ugarte y Aznar


Kuri Breña, Sánchez Ugarte y Aznar is a leading corporate law firm located in Mexico City that provides efficient, dynamic and personal services with a business perspective. Since its founding in 1990, it has implemented some of the largest Mexican privatisations in the financial and industrial sectors; it has taken part in the design of important infrastructure projects, and has conducted the negotiation and implementation of some of the most important financial restructurings, mergers and acquisitions in Mexico. The firm has robust tax and antitrust capabilities lead by a highly regarded tax specialist and the former president of Mexico’s Antitrust Commission. With high ethical standards and commitment, the firm participates in the negotiation and implementation of private equity transactions, financing and equity and debt offerings in public markets. KSA constantly innovates in structured financing and real estate transactions, as well as in antitrust matters.

In the fields of financial and capital markets, the members of the firm have broad experience in advising Mexican and foreign financial institutions, such as banks, issuers, brokerage firms, investment companies and insurers, among others. Our attorneys also have an established track record in the counselling of foreign banks, including the establishment of representative offices in Mexico and the negotiation and implementation of their operations in Mexico. KSA also offers strategic advice to start-ups based on fintech law in Mexico.

Our team of lawyers actively participate in the preparation and negotiation of agreements and other documents in connection with the structuring, development and financing of infrastructure projects, such as energy, natural gas, telecommunications, ports, airports, roads and water projects, among others. As part of this practice, the firm has specialised in the bidding and retention processes for acquisitions, leases, public services and works, through tenders, restrictive invitations and direct grants of contracts. KSA has developed considerable knowledge of regulatory matters, and has worked on several different public service projects, multiannual agreements and concessions, inter alia.

We represent the interests of our clients against acts of the tax authorities, including through the use of administrative appeals, annulment proceedings and constitutional remedies. In addition, we represent our clients in disputes arising from governmental activities from any public agency, including those derived from public contracts, the granting of concessions, authorisations or the imposition of fines and other sanctions. In the area of foreign investments, the members of the firm have broad experience in the preparation and negotiation of tailor-made joint investment agreements, and in general in the execution of projects for the establishment of subsidiaries or branch offices of transnational companies in Mexico, including the purchase and lease of properties and facilities. In addition, the firm has very solid experience in transfer of technology negotiations and agreements.

Our attorneys have broad experience in the interpretation and application of regulations governing certain specific economic activities and industries, such as automotive, aviation, mining and energy, manufacturing, petrochemical, cellular networks and telecommunications in general. Our firm is committed to providing comprehensive high-quality services, by always delivering the right answer in the manner and time required by all our clients.


This is a professional notice: all recommended firms are invited, but not required, to supply a professional notice that is published in return for a fee.

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