
DBS Bank Ltd (DBS) is a Singaporean multinational banking and financial services corporation headquartered in Marina Bay, Singapore. The company was known as The Development Bank of Singapore Limited, before the present name was adopted on 21 July 2003 to reflect its changing role as a global bank.

Dao Heng Bank Group Limited was a bank holding company in Hong Kong and it had two major subsidiaries before being acquired, Dao Heng Bank Limited and Overseas Trust Bank Limited.

The Islamic Bank of Asia was launched by DBS Bank on 7 May 2007 after receiving official approval from the Monetary Authority of Singapore for a full bank licence. IB Asia's founding shareholders include majority stakeholder DBS and 34 Middle Eastern investors from prominent families and industrial groups from Gulf Cooperation Council (GCC) countries.

Kwong on Bank Limited (KOB) was a Hong Kong-based bank. It was established in 1935 by Mr Leung Kwai-Yee and later run by his son, Dr. Leung Ding Bong, the President of the former Urban Council of Hong Kong, and Japan-based Fuji Bank, and his family. It was acquired and privatised by DBS Bank and renamed as DBS Kwong on Bank Limited in 1999. DBS Bank merged DBS Kwong on Bank, Dao Heng Bank and Overseas Trust Bank to form DBS Bank Limited in 2003.

OUE Downtown or 6 Shenton Way, formerly DBS Building Towers is a high-rise skyscraper complex at 6 Shenton Way in the central business district of Singapore. Tower 1, at 201 metres (659 ft) and 50 storeys, was completed in 1975 and is one of Singapore's oldest skyscrapers. Tower 2, at 150 m (490 ft) and 36 storeys, was completed twenty years later in 1994. The former headquarters of DBS Bank was located in the complex. Overseas Union Enterprise (OUE) acquired the complex in 2010 and renamed it 'OUE Downtown'.

Overseas Trust Bank Limited (OTB) was a bank in Hong Kong. It was established in 1955 by Chang Ming Thien, a Malaysian businessman and it was listed on the Hong Kong Stock Exchange in 1972. It was the fourth largest bank in Hong Kong before acquisition.

POSB Bank, or simply known as POSB, is a Singaporean bank offering consumer banking services and is the oldest local bank in continuous operation in Singapore. Established on 1 January 1877 as the Post Office Savings Bank, the bank now operates as part of DBS Bank, which acquired the institution and its subsidiaries on 16 November 1998.