International Consolidated Airlines Group S.A., trading as International Airlines Group and usually shortened to IAG, is a British-Spanish multinational airline holding company with its registered office in Madrid, Spain, and its corporate headquarters in London, England.[4] It was formed in January 2011 after a merger agreement between British Airways and Iberia, the flag carriers of the United Kingdom and Spain respectively, when both became wholly owned subsidiaries of IAG. British Airways shareholders were given 55% of the shares in the new company.[5][6][7][8]
Since its creation, IAG has expanded its portfolio of operations and brands by purchasing other airlines – BMI (2011), Vueling (2012) and Aer Lingus (2015). The group also owns LEVEL and Avios, a frequent-flyer programme.
The company is listed on the London Stock Exchange and the Madrid Stock Exchange. It is a constituent of the FTSE 100 Index and IBEX 35 Index.
History
Creation of IAG as BA/Iberia holding company
British Airways and Iberia signed a preliminary merger agreement in November 2009.[9][10][11] In April 2010, they signed a full merger agreement, with an intended completion date of late 2010, subject to securing the necessary regulatory approvals.[12][13] The merger between British Airways and Iberia was completed on 21 January 2011, and shares in the new holding company IAG began trading in London and Madrid on 24 January.[14]
Corporate affairs
Overview
IAG is incorporated as a Sociedad Anónima in Spain, where the company board meetings are held, and is domiciled in Spain for tax purposes.[54][55][56][57] IAG has a primary listing on the London Stock Exchange and has been a FTSE 100 constituent since 24 January 2011.[58][59]
Operations
Subsidiary airlines
British Airways, Iberia, Aer Lingus, Vueling and LEVEL operate under their separate brand names.
For details of the current aircraft operated by the group, see the fleet details for each of the main operating subsidiaries - Iberia, British Airways, Aer Lingus and Vueling. The entire company serves around 200 destinations.[96][97]
Group frequent-flyer programme
IAG Loyalty operates Avios the frequent-flyer programme, which was created from the merger of the Air Miles
External links
References
- Annual Results 2025 International Consolidated Airlines Group, retrieved 27 February 2026^
- INTERNATIONAL CONSOLIDATED AIRLINES GROUP, S.A. (IAG) Shareholders www.marketscreener.com, retrieved May 14, 2025^
- IAG Profile