The New York State Department of Financial Services found that Promontory was not sufficiently independent in its work for Standard Chartered (HKSE: 2888.HK - news ) , a London-based bank that helped clients evade U.S. sanctions against Iran and other countries.
Take context from the input text and decide on the accurate relationship between 'Standard Chartered' and 'Financial Services' from the options provided.
Options: position held, developer, industry, subsidiary