Juan Carlos Casellas > Mayora & Mayora, S.C. > Guatemala, Guatemala > Lawyer Profile

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

Work Department

Tax, Trade, Transfer Pricing




Juan Carlos has been with the Firm since 2012, first as an associate in the Tax Practice Group, before becoming partner in 2016. Over his career, he has handled clients’ most pressing and complex tax issues and disputes. 

Juan Carlos was recognized by Chambers & Partners for the first time in 2017 as an associate to watch in tax law for Latin America.


Spanish, English


Guatemalan Bar Association


Juan Carlos received his law degree, from Universidad Francisco Marroquín, the highest ranked university in the country, and also obtained a doctorate in tax law from the University of Salamanca in Spain.

Lawyer Rankings

Guatemala > Tax

(Next Generation Partners)

Juan Carlos CasellasMayora & Mayora, S.C.

The Guatemalan member of Lataxnet, a network of Latin American firms focused on tax and transfer pricing, and with additional offices in El Salvador and Honduras, Mayora & Mayora, S.C. is well placed to handle Central America-wide tax issues. The ‘exceptional‘ team advises on tax planning, transfer pricing, customs issues, indirect taxation and tax-related disputes. Its clients include a wide range of companies from the banking, construction, food and beverages, technology, energy and telecoms sectors. Led by the highly regarded Eduardo Mayora, the team includes ‘standout‘ partner Juan Carlos Casellas, who has notable expertise in tax litigation, and senior associate Juan Carlos Foncea, who is experienced in advising Guatemalan and international companies on tax planning and cross-border tax issues.