November 6, 2026 · 6 min read
Broker-Dealer vs RIA: Key Differences Explained
Two kinds of financial firm with different jobs. How each is paid, what each owes you and how to check who you are dealing with.
- Market structure
Broker-dealer vs RIA comes down to what the firm is paid to do. A broker-dealer buys and sells securities for you, usually for a commission on each trade. A registered investment adviser (RIA) gives ongoing advice for a fee and owes you a fiduciary duty. A broker-dealer suits someone who wants trades done. An RIA suits someone who wants advice managed over time.
If you work with a financial professional, the label sets the standard you can expect. Since June 30, 2020, a broker-dealer must act in your best interest when it recommends a trade. An RIA owes you that duty for the whole relationship. Many firms are both, so ask which role a person plays for each service.
$110M
Managed assets at which an adviser generally moves from state to SEC registration
06.30.2020
Date brokers had to start acting in your best interest when they recommend
4
Obligations in the broker rule: disclosure, care, conflicts of interest and compliance
$500K
SIPC protection per customer at a failed broker, including up to $250K in cash
Broker-Dealer vs Registered Investment Adviser: What Is the Difference?
The table compares them on definition, the law and regulator, the standard of conduct, how you pay, who uses each, legal and tax treatment, risk, access to your money and a typical example.
A broker-dealer is paid per transaction and owes best interest at each recommendation. An RIA is paid for advice and owes a fiduciary duty throughout
As of November 2026 · 15 U.S.C. 78c, 78o, 80b-2, 78fff-3; 17 CFR 240.15l-1, 275.203A-1; SEC press release 2019-89. US rules.
Broker-Dealer vs Investment Advisor: What Duty Do You Get?
A broker-dealer owes you a duty when it makes a recommendation. Under Regulation Best Interest, it must act in your best interest at the time of the recommendation. It cannot put its own financial interest ahead of yours (Rule 15l-1). The rule protects a retail customer, meaning a person investing for personal, family or household purposes.
An RIA owes a fiduciary duty. The SEC describes it as a duty of care and a duty of loyalty that covers the entire relationship (SEC, 2019). So the adviser has to keep acting for you between recommendations, for example while it monitors your account.
The SEC adopted both standards on June 5, 2019, and firms had to comply by June 30, 2020 (SEC, 2019). The same package created Form CRS, a short relationship summary both kinds of firm must give you at the start. It covers services, fees, conflicts of interest, the standard of conduct and disciplinary history.
People often write “advisor,” and the law writes “adviser.” Both refer to the same thing. What matters is whether the firm is registered and which duty it owes.
RIA vs BD: How Each Is Registered and Paid
A broker-dealer, often shortened to BD, is two roles in one. A broker trades securities for the account of others. A dealer buys and sells for its own account (15 U.S.C. 78c). Either one must register with the SEC. It must also join a registered securities association, which in practice means FINRA (15 U.S.C. 78o).
An investment adviser is anyone paid to advise others about securities. A broker can give advice without becoming an adviser, but only if the advice is “solely incidental” to its trading business and it gets no special pay for it (15 U.S.C. 80b-2). A broker that charges a separate fee for advice crosses that line and must register as an adviser.
Size decides where an adviser registers. A firm may register with the SEC from $100 million in managed assets and must do so from $110 million (Rule 203A-1). Smaller advisers usually register with their state. The people who give advice for the firm register as well, as investment adviser representatives.
- Broker-dealer payA commission per trade, a markup when the dealer sells from its own inventory, or a fee built into a product.
- RIA payA yearly fee on assets managed, a flat fee for a plan, or an hourly rate. Some RIAs also charge a share of gains to clients who qualify.
- Dual registrantOne firm registered as both. Its representative may act as a broker on one account and as an adviser on another.
Broker-Dealer vs RIA Pros and Cons: A Verdict on Each
Broker-Dealer
- For
- You pay when you trade, so a buy-and-hold investor may pay little. Access to new issues and products. FINRA oversight and SIPC coverage if the firm fails.
- Against
- The best-interest duty applies at each recommendation and ends there. Commissions can reward more trading or certain products.
Verdict: a broker-dealer suits an investor who makes most decisions alone and wants trades carried out. The protection is real but tied to each recommendation. Ask how the representative is paid on any product you buy.
Registered Investment Adviser
- For
- A fiduciary duty across the relationship. Ongoing monitoring of your portfolio. Fees you can see in advance on Form ADV and Form CRS.
- Against
- An asset-based fee is charged every year, whether or not anything changes. Smaller advisers answer to their state, so the rules vary.
Verdict: an RIA suits an investor who wants someone accountable for the whole portfolio over time. The duty is broader. The cost is a recurring fee, so compare it with what you would pay per trade.
A broker-dealer is paid to carry out transactions and must put you first when it recommends one. An RIA is paid to advise and must put you first throughout. Ask which role your professional plays before you sign.
Broker-Dealer or RIA: What Each Means for You
Start with three questions. Is this firm a broker-dealer, an RIA or both? Which role are you playing on my account? How are you paid on what you recommend? The answers should match the firm’s Form CRS.
Then check the record. FINRA’s BrokerCheck is free and shows registrations, employment history and disclosures for brokers. It also includes data on investment advisers. A family office that manages one family’s money falls outside the adviser definition altogether.
Private market platforms can sit in a third spot. Axevil is an exempt reporting adviser (SEC file No. 802-126907, CRD 323970). It reports to the SEC on Form ADV without full registration. Axevil is not a broker-dealer and is not a member of FINRA or SIPC. The difference between the firm and the person giving advice is covered in IAR vs RIA.
Common Mistakes
- Assuming “advisor” means fiduciaryAnyone can use the word in a job title. Check the registration and the Form CRS.
- Ignoring which hat is onA dual registrant can act as a broker on one account and as an adviser on another, with different duties.
- Comparing fees without counting tradesA low commission can cost more than a fee if you trade often, and the reverse holds for buy-and-hold.
- Reading SIPC as investment insuranceSIPC covers missing assets at a failed broker. It does not cover a fall in market value.
- Skipping BrokerCheckDisciplinary history is public and free to check. Look before you sign.
The Terms This Page Uses
- Broker-dealer (BD)
- A firm that trades securities for customers (broker) or for its own account (dealer). Registers with the SEC and joins FINRA.
- Registered investment adviser (RIA)
- A firm paid to advise others about securities, registered with the SEC or its state.
- Investment adviser representative (IAR)
- A person who gives advice on behalf of an RIA and registers with the state.
- Regulation Best Interest
- The SEC rule that requires a broker-dealer to act in a retail customer’s best interest when it recommends a trade or strategy.
- Fiduciary duty
- An adviser’s duty of care and loyalty to a client, owed across the whole relationship.
- Form CRS
- A short relationship summary both broker-dealers and advisers give retail investors: services, fees, conflicts, duty, disciplinary history.
- Form ADV
- The registration and disclosure form advisers file with the SEC or their state.
- Dual registrant
- A firm registered both as a broker-dealer and as an investment adviser.
- FINRA
- The Financial Industry Regulatory Authority, the self-regulator every broker-dealer must join.
- SIPC
- The Securities Investor Protection Corporation. It restores missing securities and cash at a failed member broker, up to set limits.
- Exempt reporting adviser
- An adviser that files reports on Form ADV under an exemption from full SEC registration.
What People Ask About Broker-Dealers and RIAs
Both are used. The Investment Advisers Act and SEC rules spell it “adviser.” Many firms write “advisor” in their names and marketing. The spelling has no legal effect. Registration and duty are what count.
It depends on how you invest. A broker charges when you trade, so a buy-and-hold investor may pay little. An RIA charges a recurring fee, often on assets managed. Compare the total yearly cost for your own activity.
Yes. A dual registrant holds both registrations. Its representatives may act as brokers on some accounts and as advisers on others. The duty you are owed depends on the account and the service.
Not under Regulation Best Interest itself, which sets a best-interest standard at each recommendation. When the same firm acts as your adviser, the fiduciary duty applies to that advisory relationship.
Missing securities and cash when a member broker fails, up to $500,000 per customer, of which up to $250,000 can be cash. It does not cover losses from a fall in market prices.
Where Every Rule on This Page Comes From
Rules were last checked on November 6, 2026. All rules described are US federal rules. State rules for smaller advisers vary. The SIPC cash limit can be adjusted for inflation.
- 01Cornell LII · 15 U.S.C. 78cCurrent statuteExchange Act definitions of broker and dealer
- 02Cornell LII · 15 U.S.C. 78oCurrent statuteBroker-dealer registration and required membership in a securities association
- 03Cornell LII · 15 U.S.C. 80b-2Current statuteAdvisers Act definition of investment adviser, broker exclusion for solely incidental advice
- 04Cornell LII · 17 CFR 275.203A-1Current ruleSEC registration from $100M (optional) and $110M (required)
- 05Cornell LII · 17 CFR 240.15l-1Current ruleRegulation Best Interest, definition of retail customer
- 06US Securities and Exchange Commission06.05.2019Press release 2019-89 — Reg BI, Form CRS, adviser fiduciary interpretation, compliance by 06.30.2020
- 07US Securities and Exchange Commission06.05.2019Release IA-5248 — fiduciary duty of care and loyalty over the entire relationship
- 08Cornell LII · 15 U.S.C. 78fff-3Current statuteSIPC advances — $500,000 per customer, $250,000 cash
- 09FINRACurrent pageAbout BrokerCheck — free records on brokers, including adviser data
This page explains how a market works. It is not investment advice, not a recommendation of any security, strategy or company, and not an offer to sell or a solicitation to buy anything. Private companies may never list or be acquired, positions in them can be illiquid for years, and the entire amount invested can be lost. Figures are accurate as of the dates shown and change. Requirements for investor status, and the tax treatment of a private holding, differ by jurisdiction — the jurisdiction is named wherever this page discusses either. Prepared by the AXEVIL Capital research team.
What closed on the private market in the past two weeks
The rounds that priced, the tender offers that opened and the listings that filed — with the structure of each deal and the date on every figure. Written by the team that reads the paperwork.
Where to go from here
Market structureInvestment Adviser Representative vs RIA: Key DifferencesAn RIA is an advisory firm registered with the SEC or a state. An IAR is the licensed person who advises you for it. Registration, exams and duties compared.
Market structureWhat Is FINRA? Definition, How It Works and ExamplesWhat is FINRA? The self-regulatory organization that oversees US broker-dealers and their staff under SEC supervision. What it covers and what it does not.
Private equity & fundsWhat Is a Family Office? Definition, How It Works and ExamplesA family office manages the wealth of one family, or several, with its own staff. Single vs multi-family offices, the SEC rule, examples and how they invest.