There are currently two programmes that provide immigration permission in relation to business activity: the Immigrant Investor Programme and the Start-up Entrepreneur Programme.
If you are a non-EU citizen and you want to take up employment as your main activity in Ireland, you will probably need an Employment Permit.
Registering for income tax is necessary after getting your job. To register for tax you need to apply for a Tax Credit Certificate.
Personal Public Service Number (often abbreviated to PPS or PPSN) is a unique personal identification number that is used when dealing with public bodies in Ireland.
To open a bank account in Ireland you will need Proof of Identification and Proof of address. Obtaining an acceptable Proof of Address, can be a challenge. Find out how to open your first bank account.