In 2001, the bank successfully acquired Overseas Union Bank Ltd with a US$5.7 billion offer which outbid rival DBS Bank's $5.2 billion bid. It legally became a single entity under the UOB name from 2 January 2002, becoming Singapore's largest bank in terms of domestic customer loans, credit cards and market capitalisation. In 2001, the bank successfully acquired Overseas Union Bank Ltd with a US$5.7 billion offer which outbid rival DBS Bank's $5.2 billion bid. It legally became a single entity under the UOB name from 2 January 2002, becoming Singapore's largest bank in terms of domestic customer loans, credit cards and market capitalisation.