View of Diagonal Norte (Av. Roque Sáenz Peña), steps from the firm, with the Obelisk in the background

Your Argentine citizenship, in the best hands

Legal representation in citizenship, residence and visa matters. Over 1,200 citizenship cases resolved favourably since 2020.

★ 5.0 · over 400 Google reviews · Av. Roque Sáenz Peña 616, Buenos Aires
+1,200

Citizenship cases resolved since 2020

5.0★

Over 400 Google reviews

+12

Areas of law

7

Payment methods, including from abroad

Choose where to start

Client who has obtained Argentine citizenship, alongside Dr. Portillo

Argentine citizenship

Legal advice and representation for your citizenship application.

Contact us on WhatsApp
Dr. Portillo with a client at the firm's office, photo from the firm

Residence and visas

Residence applications under Mercosur and non-Mercosur rules, visas and entry permits.

Contact us on WhatsApp
Dr. Portillo with a client and their Argentine certificate of naturalisation, in front of the Palacio de Tribunales

We guide you through the whole process

We provide legal representation throughout your citizenship application. Since 2020, we have resolved over 1,200 cases favourably, and we also handle Italian and Spanish citizenship applications.

  • 1. Initial consultation, by WhatsApp or at the firm.
  • 2. Preparing the documentation.
  • 3. Submitting and monitoring the application.
  • 4. Support through the oath ceremony.
Ask about my citizenship

What our clients say

★ 5.0 · over 400 Google reviews

Other areas we can help you with

Citizenship and immigration are our strength. We also support our clients in these other matters.

Statue of Themis on the firm's desk, next to folders with the Portillo Kus & Asociados logo

A full-service firm for national and international matters

We are lawyers with extensive experience, specialized in multiple areas of law. In just a few years we became one of the leading firms in citizenship and immigration in the country.

“Choosing us means putting your rights in the best hands.”

Portillo Kus & Asociados

Dr. Denis Portillo

Executive President

Steps away from where it all happens

The firm is right in the Microcentro, on Diagonal Norte, a short walk from Plaza de Mayo.

Florida Street and its commercial buildings in downtown Buenos Aires
Florida Street, downtown Buenos Aires
The Obelisk seen from Diagonal Norte, Buenos Aires
Diagonal Norte, Microcentro
Domes of the Edificio Miguel Bencich, where the firm is located
Edificio Miguel Bencich, 4th floor

Illustrative photo of Florida Street: Horacio Cambeiro (Tubby3). Image resized and compressed. Wikimedia Commons · CC BY-SA 4.0

Service and payment methods

Service

  • In person in the Microcentro
  • Consultations via WhatsApp
  • Clients abroad
  • Wheelchair accessible

Monday to Friday, 10:30 am to 6 pm

Payments within Argentina

  • Cash
  • Bank transfer
  • Mercado Pago

Payments from abroad

  • PayPal
  • Zelle
  • Western Union
  • Bank of America

Living abroad?

You can consult us on WhatsApp and pay from your country.

Consult on WhatsApp

Let's talk

Monday to Friday, 10:30 am to 6 pm.

Firm · Microcentro

Portillo Kus & Asociados

Wheelchair accessible

Edificio Miguel Bencich — Av. Pte. Roque Sáenz Peña 616, 4th floor, office 403, C1035, Buenos Aires
Monday to Friday, 10:30 am to 6 pm

Microcentro · Buenos Aires. Illustrative view, not to scale and without precise street locations. Opening the map loads content from Google.