HSBC(Hongkong and Shanghai Banking Corporation) is a multinational bank based in the UK.
They used to offer consumer banking business in Korea. But they announced the discontinuation of their consumer banking business on 8th July 2013, because they couldn't make enough income in the consumer banking business. They had 11 branches around the country, but they shut down all of them except one on 21st March 2014. The existing account holders can still keep and use their account in HSBC Seoul branch.
This institution does not provide consumer banking services in Korea.