Quinterno & Fidanza — Lawyers in Buenos Aires

Global Mobility | Public Law | Strategic Advisory

Legal architecture
for a world in motion

We advise individuals and capital in international transit with strategic precision.

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Immigration & Citizenship

Residency, citizenship
and immigration planning

From investor visas to humanitarian protection and litigation against the State.

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Corporate & Investment

Investment and
corporate structuring

We design the legal framework for investors and entrepreneurs entering Argentina.

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The Firm

We work with those who cross borders to live, invest or start a business. We guide them through the entire legal process: from immigration planning to tax and corporate structuring. One team, one strategy, tailored to each situation.

Based in Buenos Aires with clients in over 30 countries, Quinterno & Fidanza was founded to solve the legal challenges that arise when people and capital cross borders.

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4.9
(60)
SS
Sofya Semenova

Extremely satisfied with Santiago and Martin! We signed the contract at the end of February. The whole process took us just 6 and 7 months respectively. The lawyers were always available and replied to questions very quickly. Highly recommend them!

1 month ago
SL
Sergey Lomovskikh

Mr. Fidanza clarified all relevant background information and was fully prepared to address every question with complete competence. We are very satisfied and plan to continue working with the firm going forward.

2 months ago
OA
Olga A

Thanks to the company's high level of coordination, we completed the entire citizenship process within one year. I especially want to thank Martin and Santiago. Their dedication and continuous readiness to help deserve the highest praise.

3 months ago
VG
Valeriy Goryachev

They helped my entire family obtain citizenship, as well as resolve a number of immigration matters. This team upholds very high standards: prompt responses, an individual approach, and the ability to handle non-standard situations.

3 months ago
AL
Angelina Lakomaya

Everything went quickly and smoothly. They took care of all the necessary requests and paperwork. Very pleasant to deal with! All we had to do was show up on time for the oath ceremony.

9 months ago
Founders
Martin Jorge Quinterno
Martin Jorge QuinternoMartin J. Quinterno
Founding Partner
Santiago Fidanza
Santiago Fidanza
Founding Partner
Martin Jorge Quinterno

Martin Jorge Quinterno

Founding Partner

Argentine attorney, graduate of the University of Buenos Aires School of Law (UBA). Certified as Capital Markets Specialist by the Argentine Securities Commission (CNV).

His practice focuses on immigration law, Argentine citizenship, residency for foreigners and advisory services for international investors seeking to establish or develop projects in Argentina.

He has advised clients from over 40 countries, particularly from Europe, the United States and Eastern Europe, on naturalization, residency, investment structuring and company formation.

He actively contributes to the analysis of issues related to migration, citizenship and investment attraction, having published opinion articles in media outlets such as Ambito Financiero.

Santiago Fidanza

Santiago Fidanza

Founding Partner

Argentine attorney, graduate of the University of Buenos Aires School of Law (UBA). Trained in administrative law, international tax law and immigration law.

His practice focuses on public law, complex litigation and tax law. He appears before the Supreme Court of Argentina, the federal administrative courts and the federal criminal courts, representing individuals and companies in high-complexity cases.

He has participated in international extradition proceedings, defense against state sanctioning authority in administrative law, challenges to administrative acts and analysis of sector-specific regulatory frameworks.

He actively contributes to the firm's legal content, with publications and opinion articles in media on public law, criminal law and international taxation.

Publications

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Every situation is unique. Tell us about your case and our team will get back to you within 24 business hours.

Office

Suipacha 1111, 17th Floor
Buenos Aires, Argentina

Email

consultas@quinternofidanza.com

Phone

+54 9 11 2393-0687

Office

Suipacha 1111
17th Floor, Buenos Aires

Email

consultas@quinternofidanza.com

Phone

+54 9 11 2393-0687

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