Mr Carlos Aiza > Creel, García-Cuéllar, Aiza y Enríquez, S.C. > Mexico City, Mexico > Lawyer Profile

Creel, García-Cuéllar, Aiza y Enríquez, S.C.

Work Department

Banking and Finance, Capital Markets.


Carlos Aiza is a senior partner of Creel, García-Cuéllar, Aiza y Enríquez in Mexico City, where he heads the Financial Services practice group and is a member of the Executive committee.

Mr. Aiza practices in the areas of banking and securities law with an emphasis in capital markets, corporate and structured finance, real estate and project finance, asset securitization, derivatives and workouts.

Mr. Aiza has worked on the most innovative capital markets, finance and asset securitization transactions in Mexican history, including the first and second-ever Special Purpose Acquisition Company (SPAC) IPOs, the first, second and third-ever Master Limited Partnership (FIBRA E) IPOs, the first, second and third-ever international CERPI listings, the three largest Real Estate Investments Trust (FIBRA) IPOs, the first-ever public listing of equity development certificates known as CKDs, the first-ever Mexican cross-border whole loan, domestic mortgage-backed and domestic auto loan securitizations, the first asset-backed commercial paper conduit, and two of the largest Mexican workouts in recent history.

In 2018, the Financial Times recognized Mr. Aiza as one of the “10 Most Innovative Lawyers in North America”, the only Mexican lawyer to ever be so recognized. Best Lawyers named Mr. Aiza “Lawyer of the Year” in Mexico for Structured Finance in 2018, 2014 and 2010, for Capital Markets in 2015 and for Banking and Finance in 2012. In 2014, Lawyer Monthly Magazine recognized him as one of the “World’s 100 Leading Capital Markets Lawyers” in its Leading Lawyer 100-Capital Markets, also the only Mexican lawyer to have received such distinction. In 2010, Latin Business Chronicle, published by Latin Trade Group, named Mr. Aiza one of the Top 50 Lawyers in Latin America.


Foreign Associate in the International Banking Group in the New York office of Coudert Brothers during 1993 and 1994, he joined the firm in 1995 and became partner in 1998.


His native language is Spanish and he is fluent in English.


Mr. Aiza is a member of the International Bar Association (IBA).


Mr. Aiza obtained his law degree (JD) from the Universidad Iberoamericana School of Law in 1991, and his Masters in Law from Georgetown University Law Center in 1993.

Lawyer Rankings

Mexico > Banking and finance

Clients rely on the ‘tremendousCreel, García-Cuéllar, Aiza y Enríquez, S.C. because of its ‘pro-deal mindset’ and ‘business savvy’, ‘outstanding legal capabilities and customer service’ and understanding of ‘risks and regulators’; the lawyers have ‘an overall vision of the deal’. The 33-strong team boasts an enviable list of clients, including international and domestic lenders, borrowers, guarantors, funds, agents, banks, insurance companies, and other financial institutions, which it advises on numerous first-of-its-kind financing structures, complex structured financings, high-level restructurings, cross border, local single-bank and syndicated loan facilities, acquisition financings, ship financings, secured and unsecured financings, project finance and derivatives. In highlight work, practice head and rainmaker Carlos Aiza co-led the team -in conjunction with Giovanni Ramirez Garrido– acting as special Mexican counsel to Citibanamex on a $50m credit agreement and with negotiating the implementation of a participation between Citibanamex and Citibank. Garrido also led the team that advised BBVA Bancomer -as lender, administrative agent and security agent- on the MXN$2.85bn syndicated loan granted to Omnilife for the indirect refinancing of its existing debt, which was derived from a corporate restructuring. Highly valued by clients (he ‘has the ability to understand the clients’ needs regarding the quality of the work and timings’), Pedro Velasco led the team acting for Vista Oil & Gas on a first stage $260m senior secured loan arranged by Credit Suisse, Citibank and Morgan Stanley. Emilio Aarun, who made partner in January 2019, worked on both this and on the Citibanamex mandate; he has ‘the skills that facilitate the closing of deals, which is always the goal’. Other key practitioners include Rodrigo Castelazo, Mercedes Haddad, and of counsel Victor Gallegos. Other clients include Deutsche Bank, Credit Agricole, Commerzbank, Banorte, MetLife, and Bank of America.

Mexico > Bankruptcy and restructuring

In line with its work in other finance-related practices, Creel, García-Cuéllar, Aiza y Enríquez, S.C. primarily advises clients on high-end matters, specifically, on all non-litigious aspects of corporate recovery, insolvency, restructurings and workouts, including those involving complex financial situations and banking and finance structures; and creditors and debtors on complex bankruptcy and out-of-bankruptcy restructuring transactions and regulatory issues in non-judicial aspects of restructurings and workouts. The ‘superb and consistent’ eight-lawyer team is ‘efficient, practical and very focused on execution’, offering ‘the closest parallel in Mexico to a US-style representation’ and ‘the highest standard in quality and ethics’; ‘the key practitioners are in the minutiae of the deal but have a good sense of the big picture’. Banking and finance and capital markets expert Carlos Aiza leads the team; Pedro Velasco  (also a specialist in banking, finance and capital markets), is ‘punctual, professional and constructive’; and Rodrigo Castelazo is valued for his ‘intelligence and eye for detail’, but also knowing what is important and what is merely legal trivia’, as well as for ‘making sure that clients are well protected’. Emilio Aarun, who made partner in January 2019, is also recommended. The group was active on some of the more relevant cases of the recent years, including the restructuring of Banorte’s debt with GEO; representing a Brazilian group of bondholders in all matters relating to the concurso mercantil of Desarrolladora Homex; and Credit Suisse as creditor in the restructuring and reorganisation of Urbi Desarrollos Urbanos. In more recent work, it acted as leading Mexican counsel to Hemen as part of the creditors’ group in the negotiation and implementation of Seadrill’s chapter 11 reorganisation plan (considered the largest in the offshore drilling sector); as Mexican counsel to the holders of Abengoa’s corporate bonds, in the negotiation and restructuring of Abengoa’s obligations; and as Mexican special counsel to Coastal Energy Solutions in connection with the insovency of Tecnologías Relacionadas con Energía y Servicios Espcializados (TRESE).

Mexico > Capital markets

(Leading individuals)

Carlos AizaCreel, García-Cuéllar, Aiza y Enríquez, S.C.

The 35-strong team at Creel, García-Cuéllar, Aiza y Enríquez, S.C. is a market leader acting on the side of issuers, sponsors, structuring agents, underwriters, pension funds (AFORES), investment funds, rating agencies, arrangers, placement agents and financial guarantors, among others, on sophisticated,  complex and innovative transactions. Recent examples include advising BlackRock on a -first-ever – $500m CERPI with an investment mandate for infrastructure projects in Mexico and Latin America; and KKR on the first-ever international CERPI acting as a feeder fund to allow Mexican pensions funds to make investments in KKR global and regional funds outside Mexico for the first time, also with the value of $500m. Moreover, following its advice to Vista Oil & Gas on the first-ever initial business combination (de-SPAC) by a Special Purpose Acquisition Company (SPAC), the practice also acted for Promecap on the second-ever SPAC listing in Mexico and Latin America (value of $300m). In other work the team also acted for several high-profile clients, such as Goldman Sachs, Banobras and Credit Suisse as underwriters in FIBRA E offerings; and it assisted the Mexican Government in the first-ever joint multi-country floating rate earthquake-linked capital at risk notes, issued under the International Bank for Reconstruction and Development (IBRD)’s global debt issuance facility (total value $1.36bn). Very active practice head Carlos Aiza handles the full range of capital markets transactions; Carlos Zamarrón is admired for his out-of-the-box thinking; Rodrigo Castelazo worked with Aiza on the  team’s SPAC and CERPI caseload, and assisted Capital Índigo in the formation of its first CKD fund, the second listed on the Bolsa Instituconal de Valores (value MXN$1.6bn). Other names to note include Mercedes Haddad, Jorge Montaño, Eduardo Flores, and Jean Michel Enriquez. Clients include Blackstone, JP Morgan, Morgan Stanley, Barclays, Bank of America Merrill Lynch, Citigroup, Santander, BBVA, and Lexington Partners.