The bank is the largest commercial bank in the country, by assets, with an estimated asset valuation of over US$1.2 billion (UGX:3.09 trillion), accounting for approximately 20% of the total bank assets in Uganda, as of December 2012. At that time shareholders' equity was valued at approximately US$157 million (UGX:401 billion). At that time, SBU also had the largest branch network in the country, accounting for about 18% of the bank branches in Uganda. According to the bank's unaudited mid-year financial statement, as of 30 June 2013, total assets were valued at US$1.159 billion (UGX:2.951 trillion), with shareholders' equity of approximately US$153.4 million (UGX:390.5 billion).
In February 2002, Standard Bank acquired 90% shareholding in Uganda Commercial Bank, a government-owned retail banking operation with sixty-five branches. The new owners merged their new acquisition with their existing Stanbic Bank (Uganda) Limited to form Uganda's largest commercial bank by assets and branch network. In November 2005, the Government of Uganda divested its ownership in Stanbic Bank (Uganda) by listing its shares on the Uganda Securities Exchange. Standard Bank also floated 10% of its shareholding at the same time, reducing their ownership to 80%.
As of August 2013[update], Stanbic Bank Uganda has a branch network of over 100 branches in all four regions of the country. Its branch network is the largest of all commercial banks in Uganda. At that time, it maintained 193 networked ATMs. Listed below are some of the branches of the bank: