According to a Financial Planning Magazine article “How the Largest Wealth Management Firms Do Revenue Sharing,”…… Mutual fund managers, whose products the firms' financial advisors recommend, pay wealth management companies a portion of their profits or revenue that the firms often refer to as "marketing" or "partner" fees…… As shown by the companies' disclosures, the money can add up to hundreds of millions of dollars or more in added revenue each year for the largest wealth management firms.

Disclosing Conflicts of Interest to avoid fines.An excerpt from an SEC staff bulletin on Standards of Conduct for Broker-Dealers and Investment Advisers Conflicts of Interest; "When there is a conflict created by firms or their financial professionals receiving compensation from third parties, whether or not sales-related (including, but not limited to, revenue sharing, sub-accounting, administrative services fees paid by a fund or its advisor), in the staff's view, broker-dealers, investment advisors or their financial professionals should disclose the existence and effects of such incentives provided to the firm or shared between the firm and others."