ECIJA Argentina > Buenos Aires, Argentina > Firm Profile

ECIJA Argentina
Ombú 2971
CP 1425CRA Buenos Aires

Argentina > Dispute resolution Tier 4

ECIJA Argentina represents Argentine and international clients in all stages of litigation before federal and local courts. The practice advises on civil, commercial, tax, and labour and employment litigation, and also handles administrative proceedings with federal, provincial and local agencies. Bankruptcy, extrajudicial pre-emptive schemes of settlement, and debt restructuring are additional areas of coverage, with the team also known for its expertise in the recovery and protection of assets. The practice is co-lead by Diego Martinotti, who litigates in commercial, civil, labour and administrative cases; corporate and commercial litigation lawyer Angeles Bernachea and Santiago Viglierchio, who handles civil and commercial litigation, debt negotiation, corporate disputes, consumer protection and anti-trust law.

Practice head(s):

Diego Martinotti; Angeles Bernachea; Santiago Viglierchio


They are an agile team that is close to the client and results-oriented.

Key clients

Matisa Materiel Industriel


Power Trading

Union Transitoria

CGM Leasing Argentina

Trumpf Finance (Schweiz)

Deutsche Autoteile und Zubehor Argentina


Rockwell Automation Argentina

Evonik Argentina

Emprendimientos Noregon

Whirlpool Argentina


Work highlights

  • Advised Matisa Materiel Industriel on litigation related to payment terms against three public contractor companies.
  • Advised Enerray in litigation with the Argentine government related to contract terminations.
  • Advised CGM Leasing and its majority shareholders in a dispute with board members and minority shareholders.

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’s international capacity is outstanding, the firm offers 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 offices in 16 countries. Furthermore, in 2019 ECIJA signed the biggest strategic agreement 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.”

ECIJA Argentina: ECIJA, after its integration with the corporate firm ELZEN Abogados, inaugurated in March 2021 its office in Argentina.

ECIJA Argentina with more than 20 years of experience is considered one of the best multidisciplinary, full services and independent law firms in Argentina. We offer comprehensive legal counsel to companies, businesses and private clients. ECIJA Argentina has a team composed of seven partners and 30 highly qualified lawyers with experience in national and international law.

We are committed to offering dynamic and professional services with the focus on our clients.

The dedication and experience of our firm provide us the ability to adapt to the needs of the client in a responsible way and to design creative and successful solutions, continuously adding value to our clients’ challenges. Our aim is to create long term dynamics and relationships, based on the premises of client satisfaction and services rendered with professional excellence.

Integrity and coherence are the values that drive us. We seek cross-cutting innovation and sustainability to guide our professional services.

We have a committed team with broad experience in each area of the legal services offered.

In working with ECIJA Argentina, you rely on work teams specialized in providing services in different languages (German, English, Italian and Portuguese). Furthermore, you can count on professionals who understand the market, your culture and your business. Our professionals have worked and/or studied abroad and they have a sound proficient experience. We believe that knowledge on diverse business cultures is essential in order to serve your needs. We fluently interact with our international offices and attend professional training programs so as to ensure an ongoing updating for your benefit.

We are a full-service law firm that provides comprehensive counsel to its clients in different legal areas.

Our office is located in Buenos Aires, but we work with correspondent lawyers of our network throughout the Argentine territory.

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’s knowledge in legal project management adds value to our clients to control the 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. The 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 public. Regarding arbitration, the firm has a regional practice of several partners with strong experience and skills in international arbitration.

Technology and data privacy (TMT): ECIJA is considered one of the leading firms in Latin America for telecommunications, technology and media, including data privacy practices. The TMT team is focused on the technology industry for complex transactions, digital economy companies, cross-border legal advice to startups, venture capital transactions and media related local and international transactions or developments.

Labour law: the firm has a strong practice in employment matters from the employer perspective. The services include litigation, company restructuring, immigration and compliance.

Administrative and infrastructure: the services provided 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. Furthermore the team provides services related to PPPs

Energy: ECIJA is one of the most recognized and acknowledged law firms in the structuring and development of energy and renewable energy projects in the Latin America region because of its vast experience in the field and clientele. The services include regulatory aspects related to obtaining licenses and authorizations.

Oil and gas: ECIJA is a recognized and acknowledged law firm in the structuring and development of oil and gas projects in Central America, Caribbean and in Argentina. ECIJA has participated in the development and execution of the main projects in the and oil and gas sector in the region.

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.

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 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 developing 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 developers from the acquisition of the land through the permit process until a final product is delivered to the customers, acting as a business partner of its clients with the tools of legal project management.

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.

Managing Partner TMT – Corporate Law ECIJA Argentina Cristian (54911) 66820881
Partner Corporate Law - Energy ECIJA Argentina Octavio Zenarruza| (54911) 57547445
Partner Corporate Law ECIJA Argentina Angeles (54911) 62046704
Partner Corporate Law -Compliance & and Public Policy ECIJA Argentina Diego (54911) 61236179
Partner Dispute Resolution: Litigation & Arbitration ECIJA Argentina Santiago (54911) 66820874
Partner Labour Law ECIJA Argentina Federico (54911) 69487089
Partner TMT and Triple Impact Director ECIJA Argentina Cecilia (598) 99455958
Cecilia Amieva photo Cecilia AmievaPartner
Angeles Bernachea photo Angeles BernacheaPartner of Corporate/M&A, Fintech and Financial Law, and Distribution and Consumer Law at…
Cristian Elbert photo Cristian ElbertManaging Partner at ECIJA Argentina
Diego Martinotti photo Diego MartinottiPartner of Compliance y Public Policy, Corporate/M&A, Dispute Resolution, Financial and banking at ECIJA Argentina
Santiago Viglierchio photo Santiago ViglierchioPartner in the Dispute Resolution areas: Litigation and arbitration, Consumer protection, Public…
Federico Villarino photo Federico VillarinoPartner in the Labour, Public and regulatory, Immigration, Dispute Resolution areas: Litigation…
Octavio Zenarruza photo Octavio ZenarruzaPartner in the areas of Corporate/M&A, Energy, Infrastructure and Oil & Gas,…
Angela Torres : Communication & Marketing Director
IBA (International Bar Association)
Interact Law

ECIJA GPA strengthens its presence in Ecuador with the opening of a new branch in Cuenca

ECIJA GPA expands its team by integrating the law firm Estudio Central of Cuenca.

ECIJA GPA strengthens its presence in Ecuador with the opening of a new office in Manta

ECIJA GPA starts the year reinforcing its team with Ingrid Rodriguez as the new partner of the Manta office.