The department in a brokerage firm that deals with margin accounts. It monitors margin accounts opened by clients and ensures that they meet the minimum maintenance required by law and the brokerage itself. Additionally, the department makes margin calls and generally ensures smooth management of the margin accounts by the brokerage. It is also called the credit department.
The section of a brokerage firm's back office operation that is responsible for overseeing customer credit accounts. The margin department ensures that investors meet the margin standards determined by the Federal Reserve, the various exchanges, and the brokerage firm itself. Also called credit department.