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  • News

What Is Client ID In Demat Account

  •  5 min read
  •  29,564
  • Updated 22 Jul 2025
What Is Client ID In Demat Account

Most financial institutions require you to open an account before using their services or products. This is true for the share market too. You have to set up a new account before you can start trading. When you open an account with a bank, you can deposit money. Following which you are able to keep track of your transactions with the help of your account number. Similarly, a demat account stores details of all your investments in shares and securities. You can access these details easily while trading by using your client ID.

When you open a demat account with any of the depository participants or your brokerage agency, you will get an account number. This is the demat account number. It is a unique number that is used to identify a particular client and to keep track of all their assets. But this is not your client ID. So, what is a client ID in a demat account then?

A client ID is a unique eight-digit number generated by the depository participants to easily identify their clients. This number is generated by using the in-house formula of your chosen brokerage house. It is not influenced in any way by the depositories. This client ID number is used to tie up all their services to the specific client. You can use this number to track your investment history.

There are two depositories working in India that regulate and control how the depository participants operate. The two depositories are the National Securities Depository Limited (NSDL) and the Central Depository Service (India) Limited (CDSL). The depository participants are required to register their services with any one of these depositors. After registration, these depository participants are issued their depository ID or DP ID. A DP ID is an eight-digit number that is unique for each depository participant.

The two depositories—NSDL and CDSL—follow two different formats for issuing the DP IDs. CDSL DP IDs are issued in a numeric format while the NSDL DP IDs are issued in an alphanumeric format. For example, a CDSL-issued DP ID could look like this: 12400023. Meanwhile, an NSDL-issued DP ID could look like this: IN005485. This also helps users to know at a glance which depository their depository participants are tied up with.

Suppose you have a demat account with a broker registered under CDSL. Your DP ID might look something like 12047200, while your client ID could be 00456321. When combined, they form your 16-digit BO ID (Beneficial Owner Identification Number): 1204720000456321. This number is used to uniquely identify your demat account.

On the other hand, if your broker is registered with NSDL, the DP ID will begin with an “IN”, as mentioned earlier, followed by the Client ID. Together, these IDs allow the depository to accurately track, manage and maintain your securities in electronic format.

The demat account number or demat ID is a 16-digit number. This number actually has two parts to it, being a combination of the DP ID of the broker and the client ID of the user, as stated earlier. The first part is the DP ID while the second part is the client ID. This process helps identify a specific user under a particular brokerage agency.

All clients under a particular brokerage agency will have the same first eight numbers in their demat accounts. But their client IDs will be unique for each of them.

As a client, the DP ID is of no importance to you. But your client ID helps you track all your investments and returns.

If you have to change your depository participant for any reason, you might have to open a new demat account as well. In such cases, you will have a new client ID for your new account.

  • Welcome kit: When you open a demat account, your broker sends a welcome email or physical kit that includes your client ID.
  • Trading platform: You can find your client ID by logging into your broker’s trading app or web portal. It is usually under profile/account settings.
  • Contract notes: Check your transaction or contract notes after trades. The client ID is typically listed at the top or near your personal details.
  • Account statement: Your periodic demat account statements from the depository or broker also display your client ID.
  • Customer support: If you're unable to find it, your broker’s customer service can help you retrieve it securely.

The client ID is a key component of your demat account, serving as a unique identifier that distinguishes your account from others in the depository system. It plays a key role in enabling secure access to your trading and investment services, allowing you to log in, place orders and track your portfolio with ease. Every trade and transaction you make, along with your and account statement, is linked to your client ID, making it essential for monitoring your investment history. It also facilitates smooth trade settlements and ensures that all processes remain secure, transparent and compliant with SEBI regulations.

A demat account helps you process and store information about the shares and securities you have bought. This helps makes the entire process pretty seamless, convenient, and easy.

Earlier, people had to submit extensive paperwork for each trade they engaged in. The number of shares each person could own was also limited. With the introduction of demat accounts, all these issues are now history.

It is important that you understand the basics before you start your investment journey. Opening a demat account is easy enough. Once you set up the account, identify the client ID in your demat account number. This will help you as you commence trading and investment in the financial markets.

This article is for informational purposes only and does not constitute financial advice. It is not produced by the desk of the Kotak Securities Research Team, nor is it a report published by the Kotak Securities Research Team. The information presented is compiled from several secondary sources available on the internet and may change over time. Investors should conduct their own research and consult with financial professionals before making any investment decisions. Read the full disclaimer here.

Investments in securities market are subject to market risks, read all the related documents carefully before investing. Brokerage will not exceed SEBI prescribed limit. The securities are quoted as an example and not as a recommendation. SEBI Registration No-INZ000200137 Member Id NSE-08081; BSE-673; MSE-1024, MCX-56285, NCDEX-1262.

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