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

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

Work Department

Tax, Administrative, Government Procurement


Senior Associate


Spanish, English


Guatemalan Bar Association


Juan Carlos received his law degree from Universidad Francisco Marroquín, one of the highest ranked universities in the country. He also has a Master of Law Degree (LLM) in International Tax from Leiden University. Additionally, he has a post-graduate degree in Corporate and Tax law from Universidad del Istmo.

Lawyer Rankings

Guatemala > Tax

(Rising stars)

Juan Carlos FonceaMayora & 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.

Guatemala > Energy and natural resources/projects

Highlighted for its ‘strong knowledge‘ of energy and projects matters – and particularly for its ‘extensive understanding of the electricity sector‘ – Mayora & Mayora, S.C. has experience in the financing and development of infrastructure for power plants, PPAs and government bids, energy regulation, and energy-related litigation. The team acts for major local and international energy companies, with a growing number of clients in the renewable energy sector, and provides its client base with services across Central America, often working alongside its offices in El Salvador and Honduras. Rafael Briz, who has significant experience in energy and natural resources matters, leads the team, supported by senior associate Juan Carlos Foncea, a specialist in tax and administrative law who frequently advises energy distributors on challenging fines imposed by the government regulator.