The Tunisian-Libyan Bank was established as the Libyan Arab Tunisian Bank for Development, and Foreign Trade under an agreement concluded between Tunisia and Libya on 1 December 1983 and ratified by Law No. 54 of 1984
During 2004, the Tunisian-Libyan Bank embarked on a process of transformation into a comprehensive bank. This journey commenced through initiating a program for financial restructuring, management, professional rules and ethics, regulation, risk management, information system, competency management, and business dynamism. In 2005, The Tunisian-Libyan Bank obtained a license to perform holistic bank activities.
In addition, the agreement concluded in 1983 regarding the establishment of the Arab Tunisian-Libyan Bank for Development and Foreign Trade was amended. The Bank started its activities as a holistic bank; therefore, it has dealt with different segments. The large corporate segment is the most important in terms of significance in dealings.