Allied Irish Banks, plc (AIB) is Ireland's largest retail and commercial banking group, majority state-owned since the 2008–2010 financial crisis bailout.
Headquarters: Bankcentre, Ballsbridge, Dublin 4
Founded: 1966 (merger: Royal Bank of Ireland + Munster & Leinster Bank + Provincial Bank of Ireland)
Listing: Euronext Dublin (AIBG), ISEQ 20 constituent
Ownership: ~71% Irish State (via Minister for Finance), remainder public float
Retail Banking: 1.5M+ personal customers. Current accounts, mortgages (market leader ~30%), personal loans, credit cards, deposits, digital banking (AIB Mobile App).
Business & Corporate: SME lending, corporate finance, trade finance, treasury, merchant services. ~80,000 business clients.
Capital Markets: Foreign exchange, interest rate derivatives, structured finance.
UK Subsidiary: AIB Group (UK) plc (Northern Ireland, Great Britain).
US Presence: New York branch (corporate/institutional).
Received €20.7B state capital (2009–2011). Returned ~€12B via dividends/share buybacks (2017–2023). Reduced branch network (~170 from 270), workforce (~8,500 from 11,000), NPL ratio (<3% from 30%+). Returned to profitability 2014.
Digital transformation, sustainability financing (green mortgages, ESG lending), SME support, UK growth post-Brexit.