[4][5] Bangkok Bank has branches in London and New York to complement its Southeast Asian network.

[6] Bangkok Bank currently has the largest overseas branch network of any Thai bank with 32 international branches in 15 economies, including wholly owned subsidiaries in Malaysia and China.

[7] As of April 2018[update] Bangkok Bank has 1,167 branches in its domestic network,[8] including self-service outlets, covering all 77 provinces in Thailand.

[10] In 2020, Bangkok Bank purchased an 89.12% stake in Indonesia's PermataBank from Standard Chartered and Astra International for Rp33.66 trillion (US$2.3 billion).

Other services include same-day transactions in import and export bills, inward and outward remittances, swaps, options, and forward contracts trading in the primary and secondary markets for government bonds and corporate debentures.