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An “investment platform” is a way to access financial services, not a regulatory category. In the United States, an app or website may connect you to a broker-dealer, an investment adviser, or a firm acting in both roles. To compare it with a traditional brokerage, look past the interface and identify the legal entity, the service it provides for your account, its fees, and the protections that apply.
What “investment platform” means—and what it doesn’t
The word “platform” describes a digital channel or brand. It does not tell you whether a company is executing trades, recommending investments, managing a portfolio, or combining those services. Nor does “traditional brokerage” automatically mean full-service: brokerages vary in the recommendations, research, and human support they offer.
The SEC generally requires broker-dealers to register with the Commission and become FINRA members. Depending on what an online securities platform does, it may also need broker-dealer registration. Investment advisers, including robo-advisers, have a distinct regulatory role. A single firm can provide more than one service, so identify the legal entity and capacity responsible for the particular account and service you are considering. The SEC explains the distinction in its investor guidance on brokers and investment advisers.
Brokerage and advisory relationships compared
| What to compare | Brokerage relationship | Investment-advisory relationship |
| Main role | Buying and selling securities for customers. Some firms also provide recommendations, research, or other services. | Providing investment advice; the service may include portfolio construction and ongoing monitoring. |
| How service is delivered | May be self-directed, supported by research, or include recommendations from a representative. | May be delivered by a human adviser, digitally, or by a robo-adviser with limited human interaction. |
| Common compensation pattern | Transaction-related compensation or commissions are common, but arrangements vary. | An ongoing fee based on assets managed is common. Brokerage charges or a wrap fee may also apply. |
| Conduct and conflicts | Regulation Best Interest applies to broker-dealer recommendations to retail customers. Review disclosures about compensation and conflicts. | Advisers owe a fiduciary duty under the Advisers Act. That duty does not mean conflicts cannot exist; review how they are disclosed and handled. |
| Where to check credentials | Check the firm and individual professional through Investor.gov, FINRA BrokerCheck, and relevant state resources. | Check adviser registration and disciplinary history in SEC IAPD or applicable state records. |
| What protection means | SIPC may provide limited protection if a member brokerage fails; it does not reimburse market declines. | Investments remain exposed to market risk. Verify the account’s custodian and the protections that apply to the specific account. |
These are general patterns, not promises about every firm or account. The SEC’s investor brochure describes how brokerage services, advisory services, and charges can vary; consult it alongside the firm’s current documents: SEC, “Ask Questions Before You Invest: A Guide for Investors in the Financial Services Industry”.
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What oversight tells you—and what it doesn’t
Broker-dealer and investment-adviser rules are not interchangeable labels. The SEC’s 2019 package included Regulation Best Interest, Form CRS relationship summaries, and interpretations about adviser conduct and the broker-dealer exclusion from the investment-adviser definition. The Commission said the measures were intended to clarify conduct standards and help retail investors compare services and choose a relationship suited to their circumstances. Read the disclosures for the actual service rather than assuming the standards are identical. See the SEC’s 2019 release on the package.
Registration is a useful verification step, not a government endorsement of a firm, professional, or investment. Likewise, a fiduciary duty is important context, but it does not guarantee that a service is conflict-free or suitable for every investor.
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How to compare a platform with a brokerage
- Identify the legal provider and service. Find the legal entity named in the account agreement and Form CRS. Determine whether the account is self-directed, recommendation-based, or discretionary, and who is responsible for each service.
- Check registration and background. Search the exact legal firm name and the professional’s name, not just the consumer-facing brand. Use Investor.gov and FINRA BrokerCheck for broker-dealer firms and individuals, and consult the relevant state securities regulator. For advisers, use SEC Investment Adviser Public Disclosure (IAPD) or applicable state records. Registration and licensing status can depend on the firm and service.
- Read the relationship and account documents. Review the current Form CRS, account agreement, fee schedule, and disclosures. Check who has authority to trade, whether the firm monitors the account, and any margin terms or limits on the service.
- Calculate the total cost for the service you will use. Ask about charges to open, maintain, and close the account, as well as transaction charges, advisory fees, and expenses of investment products. A low or zero stated trading commission alone does not establish the account’s total cost.
- Ask how advice and support work. Find out what prompts a recommendation or review, how often the account is monitored (if at all), what human help is available, and whether that help costs extra.
- Ask how the firm earns revenue and holds assets. Ask about revenue from cash balances, product selection, or trading activity, where conflicts are disclosed, which legal entity holds the assets, and what protections apply to the account.
As Jay Clayton, then-Chairman of the SEC, put it in the Commission’s August 15, 2019 release: “If I work with you, how much of my money is going to fees and costs, and how much is going to work for me?” SEC, August 15, 2019.
What to know about robo-advisers
A robo-adviser is not simply any investing app or automated account feature. The SEC describes robo-advisers as registered investment advisers that use computer algorithms to provide investment advice online, often with limited human interaction. They are subject to the Advisers Act’s substantive and fiduciary obligations. When comparing one, ask what information its algorithm uses, how it builds or adjusts a portfolio, what it costs, and how much human interaction is available. The SEC’s robo-adviser investor bulletin outlines these considerations.
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For digital advisers relying on the SEC’s internet-adviser exemption, the Commission adopted amendments on March 27, 2024. Under the stated changes, a qualifying adviser must maintain an operational interactive website through which it provides ongoing digital advisory services to more than one client, and must provide advice to all clients exclusively through such a website to use the amended exemption. The SEC specified March 31, 2025 as the compliance date for those changes. This exemption is about qualifying advisers; it does not make every investing app an adviser. See the SEC’s 2024 release on the internet-adviser exemption.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What SIPC protection does—and doesn’t—cover
SIPC protection is limited and tied to certain brokerage-firm failures; it is not insurance against investment performance or falling market prices. Securities investments are not federally insured against market-value losses. Before relying on any protection, check whether the broker is a SIPC member, who serves as custodian, and what applies to the assets and cash in your particular account. The SEC’s investor brochure explains the limits of SIPC protection.
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