Claudia Pereira > Mayora & Mayora, S.C. > Guatemala, Guatemala > Lawyer Profile

Mayora & Mayora, S.C.
15 CALLE, 1-04 ZONA 10, 3RD FLOOR

Work Department

Foreign Investment Law, Banking & Finance, Corporate Law, Contract Law, Commercial Law, M&A




Claudia has extensive experience in Corporate Law, Mergers and Acquisitions, Banking and Finance, Contract Law and Arbitration. She joined the Firm as a Partner in 2004.

She has been selected the last 10 years by Chambers & Partners for her experience in Banking and Finance Law, Corporate Law, and Mergers and Acquisitions. Latin Lawyer selected her among the top 40 Lawyers under 40 in Central America. Since 2014, she has been named by LACCA as an approved lawyer in Banking and Finance Law. IFLR 1000 and Legal 500 place her as a Leading Lawyer in Guatemala in the practice areas of Corporate Law, Mergers and Acquisitions and Banking and Finance Law. Who´s Who Legal has ranked her for numerous years as an expert in the area of Franchise Law, Corporate Law and Mergers and Acquisitions.


Spanish, English


Guatemalan Bar Association


Claudia received her law degree from Universidad Rafael Landívar, obtained her LLM from Georgetown University, closed her curriculum for a Masters in International Relations from Universidad Francisco Marroquín and was attended Legal Aspects of International Business Program at Georgetown Law. 

Lawyer Rankings

Central America > Corporate and finance

First established in Guatemala, Mayora & Mayora, S.C. has built up a strong presence in Central America’s ‘Northern Triangle’, opening additional offices in Honduras and El Salvador. The firm is experienced in multi-jurisdictional M&A and financial transactions, with notable expertise in the energy sector. Among its areas of strength are debt issuances, debt restructuring, corporate finance and project finance. Its expertise in corporate and M&A matters extends to corporate governance, the establishment of businesses, corporate restructurings and compliance. In Guatemala, Claudia Pereira and senior partner Eduardo Mayora, who is also an expert in tax affairs, are among the key contacts for corporate and finance matters. The office in El Salvador is led by Manuel Telles, who is particularly skilled in banking and finance work, while Odín Guillén Leíva heads the Tegucigalpa and San Pedro Sula offices in Honduras.

Guatemala > Corporate and M&A

(Leading individuals)

Claudia PereiraMayora & Mayora, S.C.

Mayora & Mayora, S.C. has ‘a lot of experience‘ in corporate and M&A matters; the firm frequently works with its offices in El Salvador and Honduras to advise on large multi-jurisdictional mergers and joint ventures in Central America. In addition, the team advises on day-to-day corporate matters and governance, as well as corporate restructurings and the establishment of new operations. Energy and pharmaceuticals are notable sectors of expertise for the firm, which has a strong track record of acting for major domestic and international clients. Claudia Pereira and Sandra Castillo, who are experienced in M&A and corporate restructurings, lead the team, supported by senior partners Eduardo Mayora and Rafael Briz, a specialist in the energy sector. Pereira and Castillo are also active members of the board of Fundación Pro Bono Guatemala, which provides free legal services, particularly to refugees and migrants. Senior associates María de la Concepción Villeda, who stands out for her corporate governance expertise, and María José Nájera are also noted.

Guatemala > Banking and finance

(Leading individuals)

Claudia PereiraMayora & Mayora, S.C.

Claudia Pereira and Sandra Castillo head the strong four-partner team at Mayora & Mayora, S.C., which has extensive experience in foreign investments, notes issuances, banking and finance regulation, and project finance, particularly in the real estate, energy, natural resources and infrastructure sectors. The Central American firm, which has additional offices in El Salvador and Honduras, is also active in multi-jurisdictional transactions, acting for major local and international banks and financial institutions. Pereira has wide-ranging expertise in project finance, secured lending and trusts, among other matters, while Castillo is noted for her strength in project and infrastructure finance in particular. Other key members of the team are senior partner Eduardo Mayora, whose extensive client base includes the Guatemalan Stock Exchange, and banking regulation expert María Fernanda Morales Pellecer.