Consumer Financial Service Corporation | 86 followers on LinkedIn. A full-service marketing firm that provides financial services firms worldwide with the insights they need to succeed | Consumer Financial Service Corporation provides strategic thinking, marketing intelligence, and implementation expertise to financial institutions worldwide. These include many of the industry’s leading banks; card issuers; investment, brokerage and wealth management firms; and lenders. After more than two decades and thousands of projects, we’ve developed a proven approach that is fiercely pragmatic and results-driven.