(literally translated as Joint Funds Bank Inc. in English), was initially founded as Çaybank A.Ş.

With the decision made by the Turkish Banking Regulation and Supervision Agency, Bayındırbank was transferred to the Savings Deposit Insurance Fund on 9 July 2001 and the name was changed to Birleşik Fon Bankası on 7 December 2005.

The TMSF board of directors decided on 26 December 2001 to merge EGS Bank with all of its active and passive assets to Birleşik Fon Bankası.

TMSF and BDDK's board of directors decided to cancel the liquidation process and merged the bank with Birleşik Fon Bankası.

The TMSF board of directors decided on 20 March 2002 to merge İktisat Bankası T.A.Ş.