Ranked in 2 Practice Areas
1

Band 1

Capital Markets

Mexico

10 Years Ranked

1

Band 1

Banking & Finance

Mexico

12 Years Ranked

Ranked in Guides

About

Provided by Guillermo Pérez Santiago

Global

Practice Areas

Guillermo is a capital markets and finance lawyer through and through. He started working for clients in the financial industry even before opening his own savings account.

Clients reach out to Guillermo when they are looking for an experienced, reliable lawyer that anticipates their needs and communicates well.

Guillermo has the privilege of advising some of the largest and finest companies in Mexico and participating in the most relevant and innovative transactions. On the bank side, he represents all the first-tier banks doing business in the country. He is also recognized as a Mexican leader in Sustainable Finance and is a part of the ESG team at the Firm.

Career

Guillermo obtained his Law Degree from Escuela Libre de Derecho in Mexico City, and a few years later, his LL.M. from Duke University School of Law.

He spent a year as a foreign associate at Davis Polk & Wardwell in New York City, where he developed several other skills.

Guillermo is recognized as an expert and leader in the financial and capital markets legal sectors in Mexico by renowned international publications, such as Chambers Latin American Guide, Chambers Global Guide and The Legal 500 Latin American Guide. Leaders League ranks him as an expert in the Banking and Finance practice. IFLR1000 and Latin Lawyer list him as a leader in the Mexican legal market.

Guillermo is a member of the Executive Committee of the Firm.

Professional Memberships

He is innately a teacher, both within the office and in academic circles. He always mentors young lawyers through the mentoring programs at Galicia and Abogadas MX. He lectures at Escuela Libre de Derecho and Universidad Panamericana and regularly publishes banking and finance articles.

Personal

Guillermo is passionate about cultural expression and diversity issues. As part of his Pro Bono efforts, he works with Alondra de la Parra in projects for the promotion of Mexican music.

Clients

Client Quotes:

"Guillermo Pérez Santiago is always a trusted adviser for us and he is one of the lawyers that we feel really comfortable working with."

"With over 30 years of experience, he is a rainmaker and continues to lead on high-profile deals."

"Guillermo Pérez Santiago is probably the best banking and finance lawyer in Mexico."

"He helps us in big financing contracts and in the negotiation between the parties."

"He is extraordinary, and possesses a fine legal judgement."

"Guillermo Pérez Santiago is definitely one of the most experienced lawyers in finance, and his business and commercial knowledge is outstanding and distinguishes him from other top lawyers."

"Guillermo Pérez Santiago is a very technical lawyer who is hands-on in the day-to-day of the transaction."

"He is practical, business-oriented, knowledgeable, flexible, widely experienced, and has great availability."

"Guillermo Pérez Santiago is the best capital markets lawyer in the market in Mexico."

"Guillermo Pérez Santiago handles a great volume of private and public securitisation programmes."

"Guillermo Pérez Santiago masters the banking and capital markets area."

Chambers Review

Provided by Chambers

Chambers Global Guide

Banking & Finance - Mexico

1
Band 1
Individual Editorial
Leading practitioner and co-head of department Guillermo Pérez Santiago is based in Mexico City and is recommended for his business acumen in banking and finance operations, receiving plaudits from both peers and clients. He represents borrowers and lenders in a variety of transactions, including sustainability-linked loans.

Capital Markets - Mexico

1
Band 1
Individual Editorial
Distinguished practitioner Guillermo Pérez Santiago co-heads the capital markets practice in Mexico, drawing strong praise by market commentators for his remarkable securities knowledge. The much-admired lawyer handles a variety of operations in the field, including shelf registration of long-term notes and sustainability-linked bonds.

Contributions

Latest contributions provided by Guillermo Pérez Santiago

Global Practice Guide
Guillermo Perez Santiago
Authored by
Guillermo Perez Santiago
Article • Dec 2024
Global Practice Guide
Guillermo Pérez Santiago
Juan Carlos Galicia
Authored by
Guillermo Pérez Santiago, Juan Carlos Galicia
Article • May 2024

Strengths

Provided by Chambers

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Galicia Abogados, S.C.

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Mexico

Banking & Finance

Manuel Galicia Romero
E
Manuel Galicia Romero
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Guillermo Pérez Santiago
1
Guillermo Pérez Santiago
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