International Airlines Group (IAG) is officially a Spanish-registered multinational holding company that was formed through the historic cross-border merger of British Airways and Iberia. While its corporate head office and primary operational management are domiciled in London, United Kingdom, its parent corporate entity is legally registered in Spain. Furthermore, its common shares are dual-listed and actively traded on both the London Stock Exchange and the Spanish Stock Exchanges (Madrid, Barcelona, Bilbao, and Valencia), blending both British and Spanish corporate identities.