Lawyers Specialized in Customs Law, Foreign Trade and Antidumping in Argentina

Strategic legal advisory with over 20 years of experience supporting companies in customs law, international trade, and defense in anti-dumping investigations. Presence in Argentina, Latin America, and the United States, with the strategic backing of MJE Global LLC (USA)

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MJE Comercio Exterior
Lawyers and Strategists in Customs Law and Foreign Trade

MJE Comercio Exterior was founded in 2005 to provide a specialized service in consulting, contingency prevention and legal advice in customs law, antidumping practices and foreign trade.
Throughout these years, our objective has been to offer a service of quality and efficiency, relying on specialists highly trained in the strategic planning of foreign trade.
The constant training of our team is a fundamental pillar of MJE.

Mission – Vision – Values

MJE Comercio Exterior We provide legal, technical, and strategic assistance and advice to companies operating in foreign trade. We specialize in the defense of customs litigation, antidumping investigations, foreign trade, and exchange controls. We develop a strategic approach to the matters entrusted to us, conducting a comprehensive analysis that involves the institutional, legal, and economic consequences of each case for our clients.
Given our professional specialization, we are pleased to assist:
⇒Food manufacturing industries, consumer goods, heavy machinery
⇒ Chemical and pharmaceutical laboratories
⇒ Engineering companies
⇒ Distributors and importers of goods
⇒ Tax and accounting consulting firms
⇒ Corporate law firms
Our clients are located in Argentina as well as in MERCOSUR countries, the United States, the European Union, India, and China.

Practice Areas

Discover Our Services

Customs Law

Advice on local, regional, and international Customs Law (Mercosur, ALADI, and WTO Agreements)
View Customs Law

Dumping, Subsidios y Salvaguardias

Advisory and representation in antidumping investigations. Visit our community at Dumping Experts,
View Antidumping Defense

Strategic Planning of Foreign Trade

Legal, technical, tax, and strategic consulting for foreign trade. Integrated advice with MJE Global (USA)
View Strategic Planning

Training and Operational Planning of Foreign Trade

Assistance in the use of tax benefit programs and foreign trade operations
View Temporary Importation (CTIT)

Our Team

Meet Our Professionals

Partner – Executive Director

Dr. Andrea Zavatto

Lawyer graduated from the University of Buenos Aires (2009), specialized in Tax and Customs Law.
Affiliations: IAEA | AAEF | CPACF | CITBA | AACC Florida

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Partner – Legal Director

Dr. Juan José Tubio

Lawyer specialized in Customs Law. Graduated from the University of Buenos Aires (2013), with a specialization in Business Law.
Affiliations: IAEA | AAEF | CPACF

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Socia – Gerente Administración & Coordinación Operativa

Ing. Carolina Mora

Engineer and Master in Business Management, specializing in marketing, administration, and finance, she joined the firm in 2018 and became a partner in 2023

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Partner – Director of MJE Global

Dra. María José Etulain

Lawyer graduated from the University of Belgrano (1993). Master in Business Administration, graduated from the Business School of the Institute for Business Development of Argentina (IDEA) in 2000.
Affiliations: IAEA | ICLA | AAEF | CPACF CITBA | AACC Florida | ACDE

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Testimonials

Trust built over the years

During the antidumping investigation initiated in Argentina for alleged dumping, having the support of MJE Comercio Exterior was essential. From the very beginning, the team demonstrated deep technical knowledge and constant commitment, guiding us step by step through a complex process
Thanks to their advice and representation, we were able to demonstrate that our exports did not constitute dumping practices, allowing us to continue our operations without disruption and to preserve our company’s reputation in the international market.
We particularly value the trust, clarity, and efficiency with which MJE handled each stage of the case.”
Axel NycanderGerente General de Saldeco – Perú
«MJE has been providing us with advisory services on specific customs matters for more than 15 years, always with an efficient and proactive approach, and consistently meeting all agreed deadlines. We have also received training sessions that have been extremely useful to us
EnzimasEnzimas S.A
«MJE Comercio Exterior, in its capacity as the Chamber’s legal advisor, has become a strategic partner, supporting us in our dealings with legal metrology authorities, in the preparation of foreign trade statistics reports, and in institutional matters with consistent professionalism.»
CAFIPEM Cámara de Fabricantes de Instrumentos de Pesar y Medir
«A very positive experience working with MJE Global on legal and operational strategies to optimize exports to the U.S. I highlight the professionalism, expertise, and great dedication of the entire team..»
Daniel KretzKretz
We are very pleased working with the firm, which is made up of a team of professionals who are highly up-to-date in foreign exchange and customs regulations. They always respond to our inquiries clearly, on time, and by evaluating the best courses of action
MANN+HUMMELMANN+HUMMEL
«The advisory services met my expectations; we felt fully represented and defended at all times. The staff is excellent, with great human and professional quality..”
logo de Básculas MAGNINO, fabricante de balanzas
Luciano MagninoBasculas Magnino

⭐ Verified Google Reviews from Our Clients

Over 20 Years Building Trust

Our clients' experience is our strongest endorsement.

★★★★★

Extraordinary customs, legal, and foreign exchange team. Highly committed to their responsibilities. I have worked with María José Etulain for more than 30 years.

Reseña de Federico Carenzo sobre MJE Comercio Exterior

Federico Carenzo
Google Reviews 2026

★★★★★

A first-class legal team that combines exceptional responsiveness with rigorous analysis and expertise in every case.

Reseña de Jorge Eduardo García sobre MJE Comercio Exterior

Jorge Eduardo Garcia
Google Reviews 2026

★★★★★

We worked with MJE on an antidumping case, which they handled with great professionalism. To this day, they continue to provide legal services to our chamber, CAFIPEM, with the same expertise and reliability as always.

Reseña de Pedro Fortuny sobre MJE Comercio Exterior

Pedro Fortuny
Google Reviews 2026

★★★★★

A law firm specialized in international trade. Efficient and professional service. Their team is highly qualified, and I highly recommend them. They bring a broad and practical perspective to every matter.

Ladislao Iraola
Google Reviews 2026

★★★★★

We have been working with MJE for many years—nearly 20 years now!
Their entire team is highly professional and provides support throughout both the advisory process and the filing procedures. Given the complexity of customs matters, this is no small advantage.
Muy contentos con su servicio!

Reseña de Cecilia Valles sobre MJE Comercio Exterio

Pablo G.
Google Reviews 2026

★★★★★

Excellent service and expertise in customs and international trade matters.

Reseña de Cecilia Valles sobre MJE Comercio Exterior

Cecilia Valles
Google Reviews 2026

Ver opiniones en Google
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Successful Cases
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Involvement in Antidumping Proceedings
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Years of Experience

More than advice: strategy, defense, and support.

Experts in foreign trade, anti-dumping defense, and tax incentives. From the United States, we operate through MJE Global LLC, providing strategic support to companies with international operations or expansion plans. Learn mor Dumping Experts,our specialized community on antidumping matters.

WhatsApp
@mjecomercioexteriorsrl
LinkedIn
cmc@mjetulain.com.ar
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