Sadly the UK government will not look favourably on this arrangement, as many younger women simply use the foreigner to get access to another country, and then they shoot through, but the UK is left having to provide for them. It might work but expect a long drawn-out battle!
Citibank in Thailand no longer offers retail banking. This arm of the business was sold to UOB about two years ago. Similar to HSBC they now focus on corporate and investment banking