Firm Profile > ECIJA Castillo & Fiallos > Managua, Nicaragua

ECIJA Castillo & Fiallos

Corporate and finance Tier 3

ECIJA Castillo & Fiallos, the Nicaraguan branch of the international firm ECIJA, specialises in banking and corporate law, with additional expertise in areas such as public law and dispute resolution. Department leaders María Antonieta Fiallos and Edmundo Castillo act on the full spectrum of corporate and finance matters, with clients ranging from local businesses and regional banks to foreign investors. Adapting to the current economy in the country, the team is particularly active in credit recovery actions and debt restructuring. On top of that, Castillo has a focus on advising microcredit institutions and Fiallos has additional energy law know-how.

Key clients

Inter-American Development Bank

Central American Bank for Economic Integration

Banco Ficohsa Nicaragua

Banco de Finanzas




PymeCapital Latin American


Financiera Fundeser

The firm: ECIJA is a European law firm with headquarters in Spain and offices in Portugal, Chile, Ecuador, Colombia, Brazil, Mexico, Puerto Rico, Panama, Costa Rica, Nicaragua, Honduras, Dominican Republic, Guatemala and El Salvador. ECIJA has a multidisciplinary team of over 800 professionals, with exceptional experience in their areas of specialization, enabled to work in different jurisdictions, with extensive knowledge of the different industries and international markets. ECIJA is a client-focused law firm with the agility and personal service of a high-end boutique firm and the multidisciplinary experience of a large firm. ECIJA is a full-service firm with significant experience and specialized in the practice areas required by international clients to invest and operate globally.

ECIJA international capacity is outstanding, the Firm offers an integrated cross-border advice. Since 2019, ECIJA has merged with 16 law firms and has become the largest Spanish law firm in Latin America. Nowadays, ECIJA has 29 own offices in 16 countries. Furthermore, in 2019 ECIJA signed the biggest strategic agreement between a Spanish and a Chinese firm with the joint venture with the 4th largest firm in China (Grandall Law). The agreement brought together 3,500 lawyers and 54 offices in Iberia, Latin America and Asia. “To put that in perspective, that is comparable with CMS and Norton Rose Fulbright, some of the biggest firms in the world by headcount.”

Main areas of practice

Corporate: the firm provide corporate and M&A services for both local and international clients. The practice in M&A is multi-jurisdictional, focused on transactions with a regional component in Latin American markets. The team is trained in Legal Project Management tools in order to control time and cost of any transaction.

Banking and finance: the team includes prestigious attorneys who have assisted important international and local banks with sophisticated transactions. Firm’s services involve many aspects of the complex regulatory financial world, including syndicated credit facilities, project finance and banking products such as leasing, factoring, confirming, mortgages, pledges and credit cards.

Dispute resolution: ECIJA has a strong practice for dispute resolution both in local courts and arbitration. The disputes include commercial, civil, investment and government. Regarding arbitration, the firms has a regional practice of several partners with strong experience and skills in international arbitration using the ICC, AAA and UNCITRAL rules, and also with local rules in each country.

Technology and data privacy: ECIJA in one of the leading firms in the LATAM for technology and data privacy practices. The team focused on technology industry for complex transactions, M&A and software developments.

Employment and human rights: the firm has a strong practice on Employment matters from the employer perspective. The services include litigation, technology issues related to the employment, company’s restructuration, immigration and compliance. ECIJA’s practice in Human Rights is focused on compliance with international standards in five areas: gender, age, functional diversity, social origin, and diversity of sexual orientation and gender identity.

Administrative and infrastructure: the services provided by ECIJA in these range from managing regulatory aspects of the relationship from the regulatory point of view between the client and the government throughout the execution of agreements with public entities.

Energy: ECIJA is one of the most recognized and acknowledged law firms in the structuring and development of energy projects in the Central American region because of its vast experience in the field. The services include regulatory aspects related to obtaining licenses and authorizations, as well as the contractual aspects of negotiating agreements for electricity purchase with distribution companies. The relevant experience and knowledge of energy project developments also covers construction and financing agreements.

Trusts: the firm has advised regional and foreign clients in connection with the incorporation of trust companies, the opening of internal trust departments and the design of business transactions which employ trust structures, including philanthropic, administration, guaranty, and real estate development trusts. Likewise, ECIJA have advised local banks in connection with the implementation of trust operations that include financing structures.

Competition / Merger Control: ECIJA advices large US, European and Latin American corporations in antitrust and merger control investigations at the national and cross border level. Clients come from a several sectors, having strong expertise in regulated industries such as telecom and ICTs.

Foreign investment: ECIJA has a regional legal team that is prepared to advise foreign investors on how to structure their investment in any country of the region, including aspects such as obtaining the benefits of various tax incentive regimes and dealing with customs issues that come up when importing or exporting goods and services.

Real Estate: ECIJA is a well-known player in the real estate market in Latin America.  The team has developed special capacities in the development of multi-purpose projects, including housing, commercial, offices and leisure spaces.  ECIJA provides its services to developers of projects up to individual investors willing to have a second home or retirement place.  ECIJA advises the developers since the acquisition of the land through the permit process until a final product is delivery to the customers, acting as a business partner of its clients with the tools of Legal Project Management.  The practice is fulfilled with the experience of the partners in the construction industry.


Tax: ECIJA is a team of strongly committed professionals reputed to thoroughly address their clients´ needs involving taxation.  ECIJA provides insightful advice on local and international tax issues pertaining to businesses endeavors and personal concerns.  In addition, they are effective litigators and have obtained significant awards on tax claims and suits, on behalf of their clients.

ECIJA Tax Law practice focuses in two main areas: legal advice and litigation, for both national and municipal taxes.  ECIJA Legal Advice area ​provide specialized advisory services, tax contingencies analysis and tax planning.  The Litigation area ​handles tax claims in the administrative venue and judiciary processes.  International Taxation queries ​are also prevalent.  The current international investment surge has triggered an array of tax advisory services in connection with international tax issues.

Energy | Oil & Gas: ECIJA is one of the most recognized and acknowledged law firms in the structuring and development of energy and oil & gas projects in the Central American, Caribbean and in Ecuador. ECIJA has participated in the development and execution of the main projects in the energy and oil & gas sector in the region: Coca Codo Sinclair 1500 MW of electricity generation with the company Sinohydro. The services include regulatory aspects related to obtaining licenses and authorisations, as well as the contractual aspects of negotiating agreements for electricity purchase with distribution companies.

International transportation and logistics: In Central America and the Caribbean, ECIJA advises main providers of international courier, parcel delivery and express mail, as well as logistics and international transport services, being their strategic allies in their day-to-day legal matters.

Pharmaceutical: The ECIJA team has extensive experience in the pharmaceutical legal framework. We assist world-renowned pharmaceutical companies in Latin America and Europe. With our specialized knowledge regarding the legal frameworks that regulate the pharmaceutical business in our countries, we are contributing to the adequate and correct manufacture, export, import and distribution of pharmaceutical products that are so essential in these times of pandemic.

Department Name Email Telephone
Managing Partner | Banking, Corporate/M&A, Dispute Resolution, IP, Notarial Law Edmundo Castillo T. +505 2265 0293
Partner | Banking, Tax, Corporate/M&A, Real Estate, Dispute Resolution and Notarial Law María Antonieta Fiallos T. +505 2265 0293
Photo Name Position Profile
 Edmundo Castillo photo Edmundo Castillo Managing Partner ECIJA Nicaragua
 María Antonieta Fiallos  photo María Antonieta Fiallos Partner Banking, Tax, Corporate/M&A, Real Estate, Dispute Resolution and Notarial Law at ECIJA…