Allied Irish Banks p.l.c. (AIB; ISEQ: ALBK, LSE: ALBK, NYSE: AIB, FWB: AIB) is the largest commercial bank in Ireland. It offers a full range of personal and corporate banking services. AIB Capital Markets is the division of the company that offers international banking and treasury operations. It offers stockbroking services through its subsidiary Goodbody Stockbrokers. The bank also offers a range of general insurance products such as home, travel, and health insurance. It offers life assurance and pensions through its wholly owned subsidiary, Ark Life Assurance.
Internationally, AIB operates mainly in the United Kingdom (as Allied Irish Bank (GB) and First Trust Bank in Northern Ireland), and Poland (as BZ-WBK). It also owns a 22.5% stake in M&T Bank in the United States. At the beginning of 2008 AIB entered the Latvian, Estonian and Lithuanian markets by acquiring AmCredit mortgage finance business from the Baltic – American Enterprise Fund.