Carlos Mainero Ruíz | White & Case LLP International Law Firm, Global Law Practice
Carlos Mainero Ruíz
Carlos Mainero Ruíz

Carlos Mainero Ruíz

Associate, Mexico City

T +52 55 5540 9691



Mr. Mainero joined the Mexico City office of the Firm in 2003, and is active in secured transactions, mergers and acquisitions, antitrust, banking and securities, as well as general corporate matters. He has represented Mexican and non-Mexican purchasers, sellers, investors, lenders and borrowers in stock and asset acquisitions, financing transactions and joint ventures, among others. His experience includes assisting public and private companies in meeting regulatory compliance obligations with the Mexican financial, telecommunications, foreign investment and aeronautic regulatory authorities; banking financing transactions and complex M&A deals involving Mexican and non-Mexican parties. Mr. Mainero's practice is also focused on corporate governance compliance, both for public and private companies, as well as other compliance matters with the Mexican financial authorities, such as tender offers with the purpose of delisting issuers from the Mexican Stock Exchange. Mr. Mainero also has experience in the development of real estate projects in Mexico involving foreign investment.

Mr. Mainero joined White & Case's New York office as a visiting associate in 2009 after obtaining an LLM degree in Banking and Financial Law from Boston University. During his stay at the New York office, Mr. Mainero was involved primarily in capital markets transactions, including the representation of both issuers and initial purchasers or underwriters in high yield offerings and initial public offerings, pursuant to Regulation S and Rule 144A, involving Latin American issuers. Also, Mr. Mainero's practice in New York involved counseling banks in their daily financing operations to several Latin American clients.

As of September 1, 2010, Mr. Mainero resumed his position as an associate in the Mexico City office.

Bars and Courts

  • Authorized to practice law in Mexico
  • New York State Bar


  • Universidad Iberoamericana, Antitrust Workshop, International Chamber of Commerce
  • Boston University, Summer Legal Institute in London
  • Attorney at Law (Abogado), Universidad Panamericana
  • LLM, Banking and Financial Law, Boston University


  • English
  • Spanish


ETFs iShares BlackRock Offering (2014): Mr. Mainero advised Impulsora y Promotora BlackRock México, S.A. de C.V. (Mexican subsidiary of BlackRock Inc., the world’s largest asset manager) in the offering of three different series of exchange-traded funds (ETFs) in the Mexican Stock Exchange (MEXMTUM, MEXRISK y IVVPESO) in which such entity acts as administrative agent. These were the first offerings of ETFs in the Mexican market after their incorporation as a distinctive type of security in the Mexican Securities Market Law, after the substantive financial reform enacted in January 10, 2010.

Acquisition of The Royal Bank of Scotland México (2014): Mr. Mainero advised a number of investors in the first management buy-out of a Mexican banking institution, including the various shareholders' arrangements and the regulatory approval process with the Mexican financial authorities. This deal obtained its regulatory approval by the Mexican financial authorities in February 2014.

Syndicated Loan to Grupo Senda (2014): Mr. Mainero advised BBVA Bancomer as administrative agent in a MXN$2,500 million syndicated loan to Grupo Senda Autotransporte, S.A. de C.V., a lea company in the passengers transportation industry in northern Mexico. The advice included the negotiation of the loan agreement and the collateral package, which included a stock pledge and an administration trust to which the flows derived from sales made through electronic means were transferred.

Prepayment of Tuxpan III & IV Project Financing (2014): Mr. Mainero participated as Mexican counsel in the prepayment of a facility for the Tuxpan III & IV project (a gas generation project originally financed in 2003), which involved the termination and cancellation of the various security interests created for the original financing.

Establishment of Goldman Sachs Casa de Bolsa (2014): Mr. Mainero advised Goldman Sachs in the regulatory process for the establishment of a Mexican subsidiary broker-dealer (casa de bolsa) for Goldman Sachs. Goldman Sachs received the authorization from the regulatory authorities for the beginning of operations of the broker-dealer in January 2014.