It was founded in 1955 as a Bosnian branch office of the Jugoslovenska banka za spoljnu trgovinu (Yugoslav Bank for Foreign Trade) in the Socialist Republic of Bosnia and Herzegovina.
The Government of the Federation of Bosnia and Herzegovina entity is the owner of the bank, via stakes listed on the Sarajevo Stock Exchange.
On the Bosnian market, Union Banka is brended as the only[3] commercial bank with the majority state-owned capital in Bosnia and Herzegovina.
Union Bank (SWIFT code: UBKSBA22XXX) is a member of Bosnian interbank ATM Network BH mreža operated by national payment clearing provider and processing center BAMCARD.
Customers of Union Bank can use debit and credit cards, and e-banking/m-banking services for current accounts and deposits.