Legal checklist for expatriates in Barcelona
Moving to Barcelona as an expat can be an enriching experience, but it also means facing a number of legal formalities that are important to know and prepare in advance. In this article, we offer you a complete legal checklist for expatriates in Barcelona, designed to help you have a smooth transition, avoid setbacks and comply with all legal requirements in Spain.

Essential personal documentation
Passport and visa
Before your arrival in Spain, make sure you have a valid passport with at least six months validity. Depending on your country of origin, you may need a valid passport:
- Work visa
- Student visa
- Non-profit residence visa
- Digital nomad visa (very popular among recent expatriates)
Key tip: Start this process in your home country through the Spanish consulate. The process can take several weeks.
2. NIE (Foreigner’s Identification Number)
The NIE is obligatory to carry out any legal transaction, open a bank account, sign contracts or register as a resident.
Where to apply?
- At the Immigration Office in Barcelona
- At National Police Stations by appointment only
Residence related formalities
3. Registration
Registration with the Barcelona City Council certifies your residence in the city and is mandatory to access public services.
Required documents:
- NIE or passport
- Lease or title deed
- Registration form (can be downloaded online)
Important: This procedure is necessary to access the health and schooling system.
4. Supply contracts
Be sure to put your name on the services of:
- Electricity
- Water
- Gas
- Internet
In some cases, you will need to present the NIE and the rental contract or property deed.


Professional and tax documentation
5. Registration with Social Security
If you are going to work as an employee or self-employed, it is mandatory to be registered with the Spanish Social Security. Your company can do this, but if you are self-employed, you must do it yourself.
Benefits:
- Access to public health care
- Pension contribution
6. Tax Agency Number (NIF) and tax obligations
Although the NIE works as a tax number, if you generate income in Spain you will have to:
- Declaring your tax residence
- Filing income tax returns
- Report foreign income (form 720, if applicable).
Health and insurance
7. CatSalut: access to the health system
Once you are registered and registered with the Social Security, you can apply for an Individual Health Card (TSI) from the CatSalut system.
Steps:
- Registration
- Social Security registration
- Application at your health center (CAP)

8. Contracting private insurance
Even if you have access to public health care, many expatriates take out private insurance because of:
- Prompt medical care
- Dental and ophthalmologic coverage
- Repatriation and international coverage)
Other key legal aspects
9. Driver’s license
Expatriates may drive with their international permit for a limited period. After that, they must:
- Exchange (if there is an agreement with your country)
- Or perform theoretical and practical tests
10. Pet registration
If you bring pets, you must comply with:
- Microchip mandatory
- Rabies vaccination
- Registration in the municipal census


Legal checklist summary for expatriates in Barcelona
Procedure | Mandatory? | When to do it |
---|---|---|
Passport and visa | Yes | Before traveling |
NIE | Yes | Upon arrival |
Registration | Yes | First days |
Social Security registration | Yes | Before working |
Health Card (CatSalut) | Yes | After registering |
Tax return | Yes | According to residence |
Insurance Contracting | Recommended | At any time |
Driver’s license exchange | Yes | Before 6 months |