Registered Investment Advisor
A Registered Investment Advisor (RIA) is an investment professional or firm registered with the SEC (for those managing over $110 million) or state securities regulators (below that threshold) that provides investment advice for compensation and is subject to a fiduciary duty to act in clients' best interests.
The RIA designation is one of the most important distinctions in the US financial services landscape because it carries a fiduciary standard — meaning the advisor is legally obligated to act in the client's best interest, not merely recommend 'suitable' investments. This contrasts with the broker-dealer suitability standard (now upgraded to Regulation Best Interest but still debated by consumer advocates as falling short of true fiduciary duty), under which a recommendation need only be suitable for the client given their profile, even if it is not the best option available.
RIAs register under the Investment Advisers Act of 1940 (with the SEC for advisors managing over $110 million in regulatory assets under management, and with state regulators below that threshold). Registration requires filing a Form ADV — a disclosure document that details the firm's services, fee structures, potential conflicts of interest, disciplinary history, and ownership — which is publicly searchable through the SEC's Investment Adviser Public Disclosure (IAPD) database. Reviewing a prospective advisor's ADV is a fundamental due diligence step.
RIA compensation structures typically take one of several forms. Fee-only RIAs charge clients directly — as a percentage of assets under management (most commonly), a flat annual retainer, an hourly rate, or a project fee — and do not receive commissions for product sales. This structure eliminates the product-sales conflict of interest that has historically plagued commission-based advice. Fee-based RIAs charge both client fees and accept commissions from certain products, which creates potential conflicts that must be disclosed.
The RIA industry has grown dramatically in the US over the past two decades, as advisors have broken away from large wirehouses (Merrill Lynch, Morgan Stanley, UBS) to establish independent practices with greater flexibility to serve clients without proprietary product distribution requirements. The independent RIA model typically provides access to a broader range of custodians, investment products, and technology platforms than advisors constrained to a wirehouse's preferred platform.
For investors, working with a fee-only fiduciary RIA is widely considered the highest-standard arrangement for ongoing investment management, financial planning, and tax coordination. Verifying registration, reviewing the ADV, understanding the compensation structure, and checking disciplinary history through FINRA's BrokerCheck (for any brokerage activities) are essential steps before engaging any financial advisor.