UBB manages assets worth approximately лв.

On 20 July 2000, BULBANK AD, CIBC World Markets (formerly Oppenheimer & Co.), Jodrell Enterprises and the European Bank for Reconstruction and Development sold the National Bank of Greece (NBG) 68,289,905 shares of UBB, which rendered the NBG majority shareholder of UBB with 89.9% share participation.

The European Bank for Reconstruction and Development retained a 10% share.

In December 2016, KBC Group announced its purchase of UBB and Interlease for €610,000,000.

This made KBC the largest bank-insurance group in the country.