A financial service representative is a person that works for an investment bank or other financial institution. As a financial service representative, your duties revolve around selling a wide variety of financial products and services. Some of these financial products include lines of credit, credit cards, bank accounts, and investment services. You must have significant customer service experience and a good combination of sales skills and financial knowledge in order to be able to match financial products and services with each customer’s needs. Many financial service representatives work on commission.