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How do You Use Your Broker Identification Number?

Upendra Goswami
Written by:
Upendra Goswami
Dan Blystone
Reviewed by:
Dan Blystone
Chinmay Soni
Fact-checked by:
Chinmay Soni
Updated:
July 10, 2026

Editorial Note: While we adhere to strict Editorial Integrity, this post may contain references to products from our partners. Here's an explanation for How We Make Money. None of the data and information on this webpage constitutes investment advice according to our Disclaimer.

A broker’s identification codes are used to verify market participants and connect transactions to the correct broker or client account. They help traders confirm who they are dealing with, improve record accuracy, and support due diligence before funds are transferred or trades are placed. 

Selecting the appropriate broker for your investments is an important decision. It's crucial to conduct thorough research on potential brokers before entrusting them with your finances. A key element of this diligence is understanding and utilizing the broker identification number. This article explains the broker's identification number and how it can aid traders in making more informed choices.

What is a Broker Identification Number (Code)?

Broker identification encompasses two primary numeric codes:

  • CRD Number

  • Unique Investment Identifier (UID)

CRD Number

The Central Registration Depository (CRD) number, also called the Broker Identification Number (BIN), serves as the official registration ID for brokers in the US. Assigned by FINRA. It helps you in:

  • Verifying the legitimacy and licensure status of brokers and firms.

  • Accessing background check data like employment history and disciplinary records.

  • Tracking a broker's involvement across financial transactions.

UID

The Unique Investment Identifier (UID) serves a distinct purpose from the CRD number. It revolves around the tracking and transfers of investment accounts rather than brokers. UID helps you with the following:

  • Streamlines transfer: The UID smoothens asset transfer between brokers and custodians. The receiving party can instantly identify the incoming account.

  • Consolidated reporting: traders with accounts at multiple brokers can use the UID to aggregate data and analyze their portfolios holistically.

  • Dispute resolution: Whether due to unauthorized trades, incorrect valuations, or other issues, the UID acts as an exact account identifier during disputes for faster resolution.

Now that you understand the key identification codes used in the financial industry, it's helpful to see how this knowledge applies when evaluating real brokers. Before we move on to practical guidance on using CRD and UID numbers, here is a comparison of reputable Forex brokers that traders often consider. This table provides a quick overview of their regulations, minimum deposits, and key features – helping you see how due diligence works in practice.

Best Forex brokers
zForex Plus500 OANDA Trading.com USA FOREX.com

Tradable assets

80 2800 129 69 5500

Currency pairs

50 60 68 69 80

Min. deposit, $

10 100 No 50 100

Standard EUR/USD spread

0.3 0.7 0.3 1.1 1.0

Standard GBP/USD spread

0.4 0.8 0.3 No 1.2

Deposit fee, %

No No No No No

Withdrawal fee, %

No No No No No

TU overall score

8.05 7.57 6.89 6.15 6.87

Open an account

Go to broker
Your capital is at risk.
Go to broker
80% of retail CFD accounts lose money.
 Go to broker
Your capital is at risk.
 Go to broker
Your capital is at risk.
 Study review

How can a trader use a Broker Identification Number (Code)?

There are many things a trader can uncover with the CRD and UID broker identification codes:

Using FINRA BrokerCheck

FINRA BrokerCheck allows traders to search for brokers and firms using names or the CRD number.

Using FINRA BrokerCheckUsing FINRA BrokerCheck

FINRA is a self-regulatory organization that acts as a watchdog for the financial industry. Registration of a broker with FINRA is necessary as a guarantee of legality of activity and responsibility for any actions that may harm investors or the financial system as a whole.

It provides free public access to background information, including:

  • Registration and employment history.

  • Exams passed, licenses held.

  • Disciplinary events, criminal records.

  • Civil judgments, arbitration awards.

  • SEC disciplinary actions

If you don’t have the broker’s CRD number. You can also find the CRD number:

  1. Go to the BrokerCheck website.

  2. Enter the name of the individual broker or firm.

  3. Review the full report containing the CRD number.

The CRD number can be used to pull their background data for future searches.

Checking the Broker's Website

Reputable brokers display their CRD number prominently on their website, often in the footer menu or under an "About Us" section. Traders can search the broker's website and collect the posted CRD number for due diligence.

However, some brokers may not readily publish their CRD on their website, so cross-verification on BrokerCheck is recommended.

Verify Registration Status

The CRD number can be entered into FINRA BrokerCheck to instantly verify if the broker is duly registered and authorized to conduct business in the jurisdiction.

An "Approved" status confirms legitimacy, while a revoked, suspended, or unauthorized record warrants caution.

Check Employment History

The detailed employment history unlocked by the CRD number provides critical insight into a broker's specific qualifications, experience, and specializations based on past roles.

It also reveals potential red flags like frequent job-hopping and short stints.

Review Licenses and Credentials

Traders should verify that the broker holds active, valid licenses like Series 7, Series 63, Series 65, etc., aligning with the products offered.

Other credentials like CFP, CFA, and CPA signal specialized skills and continuing education. Suspended or lapsed qualifications necessitate further scrutiny.

Contact Former Employers

The CRD number provides visibility into the broker's employment history. Traders can directly contact previous managers to gather candid insights into the broker's performance, skills, professionalism, and suitability for the job.

If you are interested in Broker Identification Number, it may mean that it is important for you to work with a reliable broker. Here is a rating of trusted brokers that can help you: Most Trusted Forex Brokers in the World

A reliable broker won’t just offer attractive conditions

Viktoras Karapetjanc
Viktoras Karapetjanc Financial expert and analyst at Traders Union

My personal recommendation is simple: never overlook the small details when choosing a broker. In my experience, the difference between a trustworthy partner and a risky one often comes down to information that many beginners don’t bother to check. A reliable broker won’t just offer attractive conditions – they will be transparent, consistent, and easy to verify through independent sources.

When I evaluate brokers for my own work, I look beyond marketing claims and focus on how the company behaves in real situations: how they handle client disputes, how quickly they respond to regulatory inquiries, and whether their operational history shows stability. These signals reveal far more than any advertisement.

If you take only one piece of advice from me, let it be this: treat broker selection with the same discipline you apply to your trading strategy. A strong foundation makes every decision that follows safer, clearer, and far more profitable in the long run.

Conclusion

In summary, Broker Identification Numbers such as CRD and UID are essential pillars of transparency and accountability in the financial industry. These unique identifiers empower regulators, firms, and investors to efficiently track and verify the credentials and history of financial professionals. For instance, individuals can check a broker’s disciplinary record using the CRD number, while firms use UIDs for compliance reporting. Ultimately, the widespread use of these numbers fortifies trust and integrity within the financial system—reminding us that robust identification is the first step toward responsible investing.

FAQs

What is the difference between a CRD number and a Unique Investment Identifier (UID)?

A CRD number, also referred to as a Broker Identification Number, is used for verifying individual brokers and firms, accessing their professional records, and tracking their regulatory status. In contrast, a Unique Investment Identifier (UID) focuses on identifying and managing investment accounts, facilitating asset transfers between brokers and consolidating reporting across multiple accounts.

How does a Broker Identification Number help in resolving disputes between traders and brokers?

A Broker Identification Number, particularly when paired with a UID for account-specific issues, provides precise reference information that can be used to investigate and resolve disputes. It ensures that all records and account activities are correctly attributed, which aids in clarifying transaction discrepancies or unauthorized trades.

Can the Broker Identification Number reveal whether a broker has faced disciplinary actions?

Yes, the Broker Identification Number enables access to regulatory databases where traders can review a broker’s history, including any disciplinary actions, civil judgments, or regulatory violations recorded against them.

Why is it important to cross-verify a broker's identification number beyond their official website?

Cross-verifying a broker's identification number through independent regulatory sources adds an extra layer of security, as not all brokers may display accurate or up-to-date information on their websites. Regulatory databases ensure that the broker is properly registered and that the identification number corresponds to their official records.

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Team that worked on the article

Upendra Goswami
Upendra Goswami
Contributor

Upendra Goswami is a full-time digital content creator, marketer, and active investor. As a creator, he loves writing about online trading, blockchain, cryptocurrency, and stock trading.

Learn about our editorial policies
Dan Blystone
Dan Blystone
Senior English Editor

Dan Blystone began his trading career in 1998 as an arbitrage clerk on the floor of the Chicago Mercantile Exchange (CME). He later traded bond and Eurex futures at proprietary firms such as Altea Trading, gaining valuable experience in high-frequency trading and risk management.

Chinmay Soni
Chinmay Soni
Head of Fact-Checking Department

Chinmay Soni is a financial analyst with more than 5 years of experience in working with stocks, Forex, derivatives, and other assets. As a founder of a boutique research firm and an active researcher, he covers various industries and fields, providing insights backed by statistical data.

Glossary for novice traders
Forex Trading

Forex trading, short for foreign exchange trading, is the practice of buying and selling currencies in the global foreign exchange market with the aim of profiting from fluctuations in exchange rates. Traders speculate on whether one currency will rise or fall in value relative to another currency and make trading decisions accordingly. However, beware that trading carries risks, and you can lose your whole capital.

Ethereum

Ethereum is a decentralized blockchain platform and cryptocurrency that was proposed by Vitalik Buterin in late 2013 and development began in early 2014. It was designed as a versatile platform for creating decentralized applications (DApps) and smart contracts.

Investor

An investor is an individual, who invests money in an asset with the expectation that its value would appreciate in the future. The asset can be anything, including a bond, debenture, mutual fund, equity, gold, silver, exchange-traded funds (ETFs), and real-estate property.

Risk Management

Risk management is a risk management model that involves controlling potential losses while maximizing profits. The main risk management tools are stop loss, take profit, calculation of position volume taking into account leverage and pip value.

Cryptocurrency

Cryptocurrency is a type of digital or virtual currency that relies on cryptography for security. Unlike traditional currencies issued by governments (fiat currencies), cryptocurrencies operate on decentralized networks, typically based on blockchain technology.

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