Economic link:
Also, i would like to mention that in Ireland, in order to open a bank account, bank of ireland ask syou now for a strong economic link in Ireland.
They don't take into account invoices from Google Adsense, Amazon affiliate, linkedin, facebook and all the big internet companies because everyone deals with them online.
Consequently, you have to have deals with local companies to succeed in opening a bank account in Ireland.
Usually the company formation agents forget to mention that opening a bank account in Ireland is not easy.