International Financial Data Services (IFDS) is a joint venture between Boston-based State Street Corporation, a world leader in financial services providing investment servicing, investment management, trading services and investment research, and DST Systems, Inc., a Kansas City-based leading provider of shareholder accounting services and proprietary systems. International Financial Data Services (IFDS) is a global market leader committed to providing high quality systems and services to our clients. The IFDS family is made up of more than 2,000 world-class associates, located in our offices in Canada, the UK and Luxembourg.