The bank had shortlisted three agencies including McCann Erickson.
SCB was the first bank in Thailand, having launched in 1907. It operates a nationwide branch and ATM network, and also offers business relationship centres.
As of June 2009, SCB had the highest market capital among Thai Financial Institutions (US$7 billion) and has an asset size of $32 million - the third highest in the kingdom.
Other big players in the banking sector include Bangkok Bank and Kasikorn Bank.