Immigration Law · European Union
Understand and Secure Your Dual Citizenship Rights
Holding two nationalities can offer real freedom — but the rules governing acquisition, retention and loss differ between the two countries involved, and getting it wrong can put one of your citizenships at risk. We match you, free of charge, with a vetted nationality lawyer who advises on dual citizenship across Europe every day.
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Who this is for
Two passports can mean twice the opportunity — and twice the legal questions
Dual citizenship is the status of being recognised as a citizen by two countries at the same time, and it can bring genuine advantages: the right to live, work and study freely in both, access to two social systems, and the flexibility to pass nationality on to your children. But it also raises questions that many people only discover after the fact. Some countries allow multiple nationalities freely; others restrict or prohibit them, sometimes requiring you to renounce one before acquiring another, or automatically withdrawing citizenship if you naturalise elsewhere. Whether dual citizenship is even possible in your case depends on the law of both countries, and the rules can shift when your circumstances change. A specialist helps you understand what is permitted, what is at risk, and how to structure your choices so you do not lose a nationality you wanted to keep.
Where the risk hides
The risk is rarely in acquiring citizenship.
It is in not knowing the rule that could cost you one.
The law of your country of origin can be as decisive as the law of your new country — and either can quietly withdraw your citizenship if you act without checking.
Involuntary loss of citizenship
Some countries automatically withdraw citizenship if you acquire another nationality without permission, or require you to renounce one as a condition of the other. Acting without checking can mean losing a nationality you never intended to give up.
Conflicting obligations
Military service, tax reporting, entry requirements and consular protection can all conflict when two countries claim you as a citizen. Knowing what each country expects — and where the conflicts bite — is essential before problems arise.
Rules that change over time
Nationality law is not static. Reforms, reacquisition schemes and new restrictions can alter what is permitted years after you acquired your status, so advice that was right once may no longer be accurate.
What you get
A nationality lawyer who maps the rules of both countries
We only match you with lawyers who advise on the interplay between two sets of nationality law.
Eligibility & risk review
Your lawyer reviews your situation against the law of both countries, and tells you plainly whether dual citizenship is permitted, what you would need to do, and what you might be risking.
Retention strategy
Where a country requires permission or renunciation, you get guidance on the correct sequence and filings so you acquire one nationality without inadvertently surrendering another.
Obligation mapping
Understand the practical consequences — tax, military service, travel and documentation — of holding two nationalities, so you can plan around them and avoid surprises later.
Documentation & registration
Where a country requires you to register, confirm or retain your citizenship, your lawyer handles the paperwork and filings correctly and on time, so no deadline or filing requirement is missed.
Coverage
Dual citizenship lawyers across Europe
Dual citizenship depends on the interplay of two sets of national law, so the right adviser is one who understands both the target country and the law of your country of origin. We match cases across the following countries and beyond:
Frequently asked
Dual citizenship — common questions
Does my country allow dual citizenship?
It depends on the specific country — and often on how you acquired the second nationality. Some permit it freely, some allow it only in limited cases such as birth or marriage, and some prohibit it. Both the target country and your country of origin matter, so it should be checked against the law of each.
Will I lose my original citizenship if I naturalise abroad?
In some countries, acquiring another nationality automatically results in loss of your original citizenship, unless you obtain permission in advance or fall within an exception. In others, no loss occurs. The answer depends on the law of your country of origin, so check before you apply.
Do I need permission to keep my citizenship when I acquire another?
In a number of countries, yes — acquiring a foreign nationality without prior authorisation can lead to automatic loss. Where permission is required, it is usually a formal application that should be made in the correct order, which is where a lawyer’s guidance is most valuable.
What are the practical obligations of holding two citizenships?
Depending on the countries, you may face obligations around tax reporting, military service, travel document use, and entry to one country on that country’s passport. These obligations vary, and some can carry penalties if missed, so it is worth understanding them in advance.
Can my children inherit dual citizenship?
In many cases, yes — children born to parents who are citizens of two countries may be entitled to both nationalities, though transmission rules and registration requirements differ. Whether a child acquires and keeps both citizenships depends on the law of each country involved.
Can a lawyer help me retain both citizenships?
A specialist can map the rules of both countries, advise on the correct sequence for acquisition or retention, and handle any required permission or registration filings. A lawyer cannot change the law, but can help you avoid the mistakes that lead to unintentional loss.
Free case review
Keep the citizenship you have while you gain another
Tell us which nationalities you hold or seek and we’ll connect you with a nationality lawyer who advises on dual citizenship across Europe — free of charge, with no obligation to hire.