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.
In the context of the input sentence, determine the relationship between 'Standard Chartered' and 'Financial Services'.
Options: industry, developer, subsidiary, position held