What we do

Passportia is a specialist in nationality and immigration services independent of any government. It is regulated by the Office of Immigration Services Commissioner, a public body. Applications for British nationality, passports, entry clearance and visas are made to the UK government, but the government does not give legal advice. In our experience, many people who are (or eligible to become) a British citizen do not know this, and those who have applied without professional advice have not succeeded.

Passportia is a leading UK nationality and immigration law firm and is committed to providing the very best legal advice:

  • Our extensive legal experience in British passports and British citizenship allows us to assist you in establishing and then proving if you are already a British citizen or other British national, or eligible to become one through registration or naturalisation. In our experience, many people in this situation are not aware of their status or opportunities.
  • Our immigration specialists can assist individuals or families to migrate to the UK or extend their leave.

We aim to remove the complexity and uncertainty from the process of proving or getting British citizenship or visas, and we are able to help with any of the categories listed below.

We can assess your eligibility for UK citizenship...

British Citizenship Services

We specialise in claims to British nationality, including British citizenship through:

British Citizenship by Descent or Colonial Links

We specialise in obtaining British citizenship through ancestry (descent) or colonial connections. The law affecting such claims is complicated. We use an expert system to explore all possible routes to a claim, some of which are quite obscure. This approach can be highly advantageous for a person who needs British citizenship quickly (naturalisation normally requires 4 to 6 years of residence in the UK).

We have obtained British citizenship for many people whose closest connection with the UK was a grandparent or in some cases a great grandparent born or naturalised in the UK.  We are willing to fight complex and unusual cases and challenge Home Office decisions.

British Citizenship through UK Residence 

We prepare the documents to be submitted along with your application for British citizenship by naturalisation, usually based on residence in the UK.  We are willing to pursue applications characterised by a fragmented immigration history or excess absences from the UK.

UK Immigration Services

Extending your visa in the UK

If you are already in the UK, it is important that you do not overstay your leave or visa. In almost every visa category (unless you are a citizen of a European Union/EEA country) you must extend your leave or visa before it expires, otherwise, there can be serious problems for future applications. The Home Office regularly changes the rules and the requirements to extend your visa may have changed or become more difficult since your last visa was issued. You should prepare for an extension at least 2 months before expiry.

To find out if you qualify for British nationality or an immigration solution complete the form below!


  • A citizenship law specialist
  • Successful with complex claims
  • Supporting multiple countries
  • Fast, flexible and precise

I am very grateful for all your excellent work on my complicated case for British citizenship. My British passport arrived last week, and will make a huge difference to my life. I publicly recommend you to others. Thank you again.

F.J. - London, UK