In the United States, “investment platform” describes how you access a financial service—not what kind of regulated relationship you have. A website or app may connect you to a broker-dealer, an investment adviser, or a firm offering both. To compare it with a traditional brokerage, identify the legal provider and the service attached to your specific account: trade execution, recommendations, ongoing advice, or a combination.
What “investment platform” tells you—and what it doesn’t
An investment platform is usually a digital interface or consumer-facing brand. The label alone does not tell you who holds your account, who makes investment decisions, what conduct rules apply, or how the company is paid. A traditional brokerage is not automatically a full-service advisory relationship either: brokerages range from self-directed trading to accounts with recommendations and other support.
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Focus on the legal entity and the role it plays for the account you are considering. One company may offer brokerage and advisory services through different accounts or in different capacities. Its disclosures and account agreement should make clear which relationship applies.
Brokerage and advisory relationships compared
| What to compare | Brokerage relationship | Investment-advisory relationship | What to check |
|---|---|---|---|
| Main role | Buying and selling securities for customers. The firm may also offer recommendations, research, or other support. | Providing investment advice, potentially including portfolio construction and ongoing monitoring. | Identify the legal entity and capacity providing each service. |
| 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 through a robo-adviser with limited human interaction. | Ask what human support is available and what triggers advice or monitoring. |
| Compensation | Transaction-related compensation or commissions are common, but arrangements vary. | Ongoing fees based on assets managed are common; additional brokerage charges or a wrap fee may also apply. | Request the fee schedule and compare the total cost for the service you will use. |
| Conduct and conflicts | Broker-dealers are subject to Regulation Best Interest when making recommendations to retail customers. Compensation and other conflicts should be disclosed. | Investment advisers owe a fiduciary duty under the Advisers Act. Conflicts can still exist and should be disclosed and addressed. | Read Form CRS and ask how the firm’s incentives could affect its recommendations or advice. |
| Verification | Check the firm and individual professionals through Investor.gov, FINRA BrokerCheck, and relevant state resources, as applicable. | Check adviser registration and disciplinary history through SEC IAPD or applicable state records. | Search the actual legal name, not just the app or brand name. |
| Protection | SIPC may provide limited protection if a member brokerage fails; it does not reimburse market declines. | Investments in an advisory account remain exposed to investment risk. Verify the custodian and protections that apply to that account. | Do not treat SIPC or a cash arrangement as a guarantee of investment value. |
How oversight differs
Broker-dealers
Broker-dealers generally must register with the SEC and become FINRA members, though account for applicable exceptions and verify the particular firm. The SEC says online securities platforms may fall within broker-dealer registration requirements depending on their activities. Regulation Best Interest applies to broker-dealer recommendations to retail customers; it is not a reason to assume that every brokerage account includes advice or monitoring.
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Investment advisers
Investment advisers are a distinct regulated role. They owe a fiduciary duty under the Investment Advisers Act, but that duty does not mean conflicts are impossible. Review the adviser’s disclosures, ask how conflicts are handled, and confirm whether the person or firm is registered with the SEC or a state regulator.
Firms that offer both
The SEC’s 2019 package included Regulation Best Interest, Form CRS, and interpretations concerning adviser conduct and the broker-dealer exclusion from the adviser definition. The measures were intended to clarify conduct standards and help retail investors compare services; brokerage and advisory standards should not be collapsed into a claim that they are identical. Read the disclosures for the particular account rather than relying on the company’s overall brand or a broad label such as “fiduciary.”
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What to know about robo-advisers
A robo-adviser is not simply any investment 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. The advice remains subject to the Advisers Act’s substantive and fiduciary obligations.
Before using one, find out what information its algorithm uses, how it constructs or manages portfolios, what the service costs, and how much human interaction is available. The amount of contact can vary, so check the firm’s current description and account terms rather than assuming an app offers a particular level of support.
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Digital delivery does not itself decide which adviser-registration route applies. On March 27, 2024, the SEC adopted amendments to the internet-adviser exemption. To use the amended exemption, a qualifying adviser must maintain an operational interactive website providing ongoing digital advisory services to more than one client and provide advice to all clients exclusively through such a website. The SEC specified March 31, 2025 as the compliance date for the described changes. These requirements concern that exemption; they do not make every investing app an adviser.
Compare the real cost and service
Fees depend on the firm, account, and service. A transaction-based brokerage charge and an ongoing asset-based advisory fee are common patterns, not universal pricing rules. Costs may also include account, transaction, investment-product, or wrap-fee expenses. A low or no-commission claim alone does not establish the total cost.
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“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?”
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Ask the provider for its commission schedule and charges for opening, maintaining, and closing an account. Then get answers to these account-specific questions:
- Is the account self-directed, recommendation-based, or discretionary?
- What is the total annual cost, including advisory, transaction, account, and investment-product expenses?
- Does the firm monitor the account? If so, how often and under what agreement?
- What human help is available, and does it cost extra?
- How does the firm earn revenue from cash balances, product selection, or trading activity, and where are those conflicts disclosed?
- Which legal entity holds the assets, and what protections apply to this account?
How to check a provider before opening an account
- Find the relationship summary. Read the provider’s current Form CRS, then compare it with the account agreement and fee schedule. Form CRS is a starting point, not a replacement for the detailed terms.
- Verify the provider and professionals. For a broker-dealer or brokerage professional, use Investor.gov and FINRA BrokerCheck, and consult the relevant state securities regulator as appropriate. For an investment adviser, use the SEC’s Investment Adviser Public Disclosure (IAPD) system or applicable state records.
- Match the record to the account. Search the actual legal entity name and check which firm or professional provides brokerage, advice, custody, or other services for the account. A consumer-facing brand may not be the legal name you need to search.
- Read the account authority and protections. Confirm who can trade, whether the firm monitors the account, which entity holds the assets, and what protection applies to the specific account and cash arrangement.
- Compare costs before signing. Review charges for opening, maintaining, and closing the account as well as commissions, advisory fees, and product expenses. Ask about any cost that is unclear.
What SIPC protection does—and does not—mean
SIPC protection may help in the limited circumstance that a member brokerage firm fails and customer assets are missing. It does not protect you from a decline in the market value of securities, and securities investments are not federally insured against market losses. In an advisory relationship, the investments still carry market risk; check the custodian and account-specific protection details rather than assuming that an app or advisory label guarantees an investment’s value.
Read the documents, not just the brand promise
The SEC’s investor guidance recommends reviewing what a firm charges, what services it provides, and the terms governing account authority, margin, and asset protection. Use Form CRS to understand the relationship at a glance, then consult the full agreement and fee schedule. Registration is a way to check regulatory status and background; it is not a government endorsement of a provider or a guarantee of investment results.
For U.S. investors, the useful comparison is not simply digital versus traditional. It is the specific account relationship: who provides the service, whether it involves execution or advice, what support and monitoring are included, what the total costs are, and what disclosures and protections apply.
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