Starling Bank, one of the UK’s largest mobile-only banks, is looking to buy a nationally chartered bank in the US to continue the firm’s expansion in the market, according to a person with knowledge of the matter.The London-based company is initiating talks to hire US bankers this summer to begin the acquisition process, with a particular focus on firms located on the East Coast with assets of around $2 billion, according to the person, who asked not to be identified discussing information that ...