What Is a Broker-Dealer? How These Firms Affect Your Investments

The term “broker-dealer” appears in every financial document you sign. But most investors do not understand what these firms do — or how their business model affects your investments. This guide explains broker-dealers in plain language and shows you what to watch for.

What Is a Broker-Dealer?

Brokers vs. Dealers — Two Roles in One Firm

A broker acts as your agent, executing trades on your behalf and earning a commission. A dealer trades from its own inventory, buying securities at one price and selling at a higher one. Many firms operate as both — serving as your broker while also making markets in the same securities.

This dual role is not inherently wrong. But it creates potential conflicts you should understand.

How Broker-Dealers Make Money

Broker-dealers generate revenue through several channels:

• Commissions — Earned on each trade they execute for you. More trades mean more revenue for the firm.
• Markup and markdown — The difference between the price the firm pays and the price you pay when buying from their inventory.
• Advisory fees — Ongoing fees based on assets under management, typically 1% per year.
• Product sponsorship — Payments from mutual fund companies, insurance carriers, and product sponsors for selling their products.
• Revenue sharing — Payments from investment companies to the broker-dealer for preferential shelf placement.

The critical question: when your advisor recommends a product, is it because it is best for you — or because it pays the firm the most? The fiduciary vs. suitability distinction determines the answer.

The Suitability Standard Applies to Most Broker-Dealer Recommendations

Broker-dealers operating as brokers follow the suitability standard. This means they must recommend investments that are “suitable” for your general profile — but they need not recommend the best or lowest-cost option available.

A suitable recommendation and an optimal recommendation are not the same thing. A broker can recommend a mutual fund with a 5.75% sales load when an identical index fund with 0.03% expenses exists — as long as the loaded fund is broadly “suitable” for someone with your risk profile.

mandatory Arbitration Clauses

Nearly every brokerage agreement includes a mandatory arbitration clause. This means you cannot sue your broker-dealer in court. Instead, you must resolve disputes through FINRA arbitration.

This is not necessarily bad — arbitration is often faster and cheaper than litigation. But you should understand this limitation before signing your account agreement.

Custody and Your Assets

Your assets at a broker-dealer are held in “street name” — meaning the firm holds the securities on your behalf. This gives the firm practical control over your holdings. SIPC insurance covers up to $500,000 per account if the firm fails, but this does not protect against market losses or advisor misconduct.

Questions to Ask Your Broker-Dealer

1. Are you acting as my broker or my adviser on this recommendation?
2. How are you compensated for this specific product?
3. Do you receive any payments from the product sponsor?
4. What is the total cost of this investment, including all fees?
5. Is there a lower-cost alternative that achieves the same objective?

When a Broker-Dealer Harms You

If your broker-dealer’s conduct caused financial harm, you have options:

• File a FINRA complaint — Report the firm and the individual advisor.
• Pursue arbitration — Most disputes must go through FINRA arbitration.
• Consult an attorney — Securities lawyers understand the specific rules and remedies. Call Haselkorn and Thibaut at 1-888-885-7162 for a free case evaluation.