Applying for Citizenship & Naturalisation in Ireland


Irish PassportSinnott Solicitors are Ireland’s leading immigration law firm. We specialise in obtaining Irish Citizenship for many of our clients. Naturalisation is the process whereby a foreign national can become naturalised and get an Irish/EU passport.

This can be a complex process for those who are not familiar with the rules surrounding entitlements but we are on hand to guide you through it..


*Do you have Irish relatives? Find out here if you can qualify via ancestry

Read more on how if you have Irish relatives/descendants you may able to get an Irish/EU passport before Brexit

It is also possible for a foreign national who does not have qualifying descendants to qualify though naturalisation or through marriage or through civil partnership.

How to apply

New Application Forms

The Department of Justice and Equality have introduced a new Form 8 application form for all Applications By Persons Of Full Age For Naturalisation As An Irish Citizen.

You can download a copy of the updated application form here.

Applications submitted on the previous version of the application form will not be accepted for processing and will be returned.

The following changes have been implemented with the introduction of the new form:

Sinnott Solicitors can help you with your application and will carry out a full review of your circumstances in order to determine whether you are entitled to Irish Citizenship.

We advise clients on their period of reckonable residency for this process and we look at each individual circumstances in order to apply for the most appropriate route to a successful application.

Client Success Stories
Adeel Sheikh & partner

Adeel Sheikh & partner

Congrats to all new Irish citizens!

Recently we had a number of clients who were awarded their certificates of naturalisation


At Sinnott Solicitors, we work diligently to get results for our clients.

That’s why most of of immigration law business comes from referrals from happy clients who have been successful in their applications for residency in Ireland from temporary visas right through to citizenship. Here are just some of the recent ones…


I am very happy with the service provided by Sinnott solicitors. Special thanks the attention towards our case and make it possible to have spouse visa arranged, even though it was bit complicated case. Thank you guys at Sinnott. – Adeel Sheikh


Guilherme Silva

I got my official letter from the DOJ confirming my approval for my passport which my ceremony will take place on the 21st of April . I just wanted to say thank you so so much for all your help and patience throughout the process.
If I ever need professional help/advice I will definitely be in touch.
Many thanks!
Guilherme Silva - Irish Citizen



Mariam Munsoor

“My dream was to become ‘Irish’ and now you made it come true! Many many thanks for all your excellent and caring representation.
Mariam Munsoor - Irish Citizen




Bingbing Liu

My solicitor is Una, very nice lady to deal with. She always reply me by email whenever I had queries. And keep me updated regard my case. 5 star service, highly recommended to all others.
Bingbing Liu - Irish Citizen




Get in touch

Una O'Brien immigration lawyerFor assistance with your application for a certificate of Irish Naturalisation, do not hesitate to contact the office of Sinnott Solicitors today.

Úna O’Brien (BCL Hons) (see profile here) is our top legal expert in this area of immigration law and she can deal with you directly throughout the progress of your application. We provide a fully personalised service on a one-to-one basis and as there may be a short waiting list for appointments due to current demand, it is advisable to make contact as soon as possible.