Portuguese Citizenship:
Your world
without borders.
With dual nationality, you and your family gain the freedom to live, study and travel anywhere without bureaucracy, safely and with all your rights guaranteed.
Here you don’t talk to a robot! Personalized service.
Find out if you are entitled:
Son, grandson and great-grandson of Portuguese
Descendants of Sephardic Jews
Spouse of Portuguese I Stable Union
Children of Foreigners Born in Portugal
By Length of Residence in Portugal
Minor Child of Naturalized Portuguese
In the media
Advantages of Dual Citizenship
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Freedom to travel to over 150 countries, including the US, Canada and Japan, without the need for visas -
Being a European citizen and being able to live in any country in the European Union -
The right to pass on European nationality to future generations -
Free movement throughout Europe -
Easier access to universities and job vacancies in Europe. Tuition fees for educational institutions can be reduced by up to 70%. -
Less taxes
Check the documentation common to all cases of nationality
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Full birth certificate with an apostille, typed or reprographic version (depending on the type of nationality). -
Certified copy of the identification document. In some types of nationality, the affiliation must be included and have specific validity. -
Application along the lines of the IRN (Institute of Records and Notary)
The guidance of a lawyer is essential when it comes to identifying whether you have the right, to seek and organize the documents and file the request with the Portuguese justice system.
Why choose International Consulting Duplla?
Agility in the processes:
if there is already feasibility in your case and the documentation is already located, your request is filed quickly in up to one month.
Free analysis:
you do not need to pay any amount for us to carry out a feasibility analysis of your case.
Personalized service:
we don’t use robots. Personalized service directly with the legal team, without automatic messages, with clear and precise guidelines.
No future regrets:
Excellence in service goes beyond the sales stage. Availability, transparency and communication are maintained throughout the process.
International team:
Lawyers registered with the Brazilian Bar Association and the Portuguese Bar Association. Consultants with extensive experience in migration processes.
What our customers say:

I wanted to get my Portuguese nationality through marriage. A friend recommended Izabela Vasconcelos to me. She is an excellent professional, attentive, honest and very knowledgeable. He explained every step of the process to me, aligned expectations regarding deadlines and costs, and guided me the entire time. The first application, recognizing the marriage certificate in Portugal, was completed quickly and successfully. The main process is still running – already well advanced by the way! I highly recommend Izabela Vasconcelos!!!
Marcello Victorino
Hey Izabela, how are you?
Passing by to let you know that my process went well and my residency arrived in an incredible 2 weeks after starting the process with you.
Very happy for the quick result I had, I will recommend you whenever I can.
Pedro Henrique Mendes
More services
Consulting for Visas Brazil – Portugal
Personalized service for those who wish to apply for temporary and residency visas in Portugal.
Residence Visas:
Visa D1
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Work
Visa D2
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Entrepreneur
Visa D3
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Highly Skilled Work
Visa D4
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Study
Visa D5
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Study in Europe
Visa D6
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Family Reunification
Visa D7
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Retirees and Income Holders
New visas in Portugal:
Job Search Visa (CPLP)
Digital Nomads
Tech Visa; Startup Visa
Other services:
Recognition of Stable Union in Portuguese Court
For processes of nationality by spouse, it is necessary that the formalized union be recognized in Portugal.
Saiba mais
Enrollment of Engineers in the Order in Portugal
The revalidation of the foreign diploma in Portugal is essential for
those who wish to act professionally according to Portuguese guidelines.
Saiba mais
Revalidação de Diploma de Medicina e Enfermagem
A revalidação do diploma estrangeiro em Portugal é fundamental para quem deseja atuar profissionalmente conforme as diretrizes portuguesas.
Saiba mais
Recognition of foreign judgment
In the case of divorce between a foreigner and a Portuguese national, it
is mandatory to recognize the divorce in Portugal. If this is not done,
the next marriage may be considered void.
Saiba mais
About Us
Izabela Vasconcelos
Lawyer specialized in Migration Law and Public Administration, licensed by both the Portuguese Bar Association (CP 63587L) and the Brazilian Bar Association (OAB). Her purpose is to provide secure and effective legal solutions for those seeking Portuguese nationality and legal residency in Portugal.
Matheus Leal
Researcher specialized in genealogy and Portuguese/Spanish nationality processes, with experience in documentary research aimed at proving family ties for citizenship purposes. His purpose is to deliver precise, ethical, and personalized work, contributing technical rigor and historical validation for the recognition of nationality rights.
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+351 966 058 435
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contato@dupllacidadania.com - R. Febo Moniz 27B, 1150-152 Lisboa, Portugal
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