Fee Billing Core Concepts 1. Fee Schedule Structures Advisory firms employ a range of fee structures, often combining several within a single practice. Flat Fee (Fixed Dollar). A predetermined dollar amount charged per period regardless of account size. Common for financial planning engagements or retainer-based advice. Straightforward to bill but disconnected from asset growth. AUM-Based (Percentage of Assets). The most prevalent model for registered investment advisers. A single percentage (e.g., 1.00%) is applied to the market value of managed assets. Simple to communicate but can become e…