The group is active in Slovenia, Croatia, Bosnia and Herzegovina, Serbia and Montenegro.

Addiko has been designated in 2020 as a Significant Institution under the criteria of European Banking Supervision, and as a consequence is directly supervised by the European Central Bank.

[2] Addiko Group was established when the former Hypo-Alpe-Adria International AG spun off its CSEE banking subsidiaries.

The company experienced the most significant growth from 2002 onwards, with a focus on risky and large-scale financings especially in real estate and tourism projects, until the outbreak of the global financial crisis in 2008 and its nationalization the same year.

[3] In 2015, AI Lake, indirectly owned by funds advised by Advent International, a global private equity investor, and the European Bank for Reconstruction and Development (EBRD), acquired Addiko Bank AG following a sales process required by the European Commission.