A Billing Specialist oversees the tasks of sending new invoices to clients and ensuring all outstanding invoices are paid in full and on time. They are client-focused and assist them with any issues with invoices. Billing's purpose is to track and record financial transactions and generate invoices for customers. Billing allows Financial Controllers to monitor their company's finances and profitability. It is an important aspect of proper financial management for any organization. A billing statement is a document that summarizes the financial transactions between a customer and a company during a specific period. It includes all the purchases, payments, fees, and interest charged to the account during the billing cycle.