AIB (NI), formerly known as First Trust Bank, is a commercial bank operating in Northern Ireland as part of Allied Irish Banks' UK subsidiary, AIB Group (UK) plc. The bank is one of the Big Four banks serving Northern Ireland, providing comprehensive retail and commercial banking services to customers across the region.
The bank has deep historical roots in Northern Ireland dating back to 1816 with the founding of the Belfast Savings Bank. AIB (NI) operates as a full-service retail and commercial bank, competing with other major institutions serving Northern Ireland's economy. With total assets of approximately £10 billion (€15.1 billion), the bank maintains a significant presence in Northern Ireland's financial sector.