 In August 2006 Singer & Friedlander moved its headquarters from the City of London to One Hanover Street, London, W1S 1AX in the Mayfair area in the City of Westminster in London.At the same time Kaupthing Bank's subsidiary in the UK, Kaupthing Limited, relocated to the same building and the entities merged to form Kaupthing Singer & Friedlander.On 8 October 2008 the UK Treasury used the Banking (Special Provisions) Act 2008 to transfer Kaupthing Singer and Friedlander’s Kaupthing Edge deposit business to ING Direct, a wholly owned subsidiary of ING Group, the remainder of Kaupthing Singer and Friedlander's business was put into administration.