Ulster Bank sending 20,000 letters a week to customers advising them to switch

Ulster Bank and KBC Bank announced last year that they plan to leave the Irish market (Alamy/PA)

A TD has expressed concerns at the Oireachtas Finance Committee that not all Ulster Bank customers may be notified about switching their bank account before the end of September.

Ulster Bank and KBC Bank announced last year that they plan to leave the Irish market, affecting hundreds of thousands of people and businesses in Ireland.