Established in 1976, BIAT is a banking group with subsidiaries in insurance, asset management, investment capital, and consulting. It has five subsidiaries, including Assurances BIAT, BIAT Capital Risque, Tunisie Valeurs, BIAT Consulting, and BIAT France. As of the end of 2022, the bank employed nearly 2,000 people across 206 branches in Tunisia. In September 2022, BIAT signed a new partnership with Visa to expand its electronic banking offering and increase card usage. The Mabrouk Group had a 38.6% stake in BIAT as of April 2022.