What Is Client ID In A Demat Account
- 5 min read
- 31,679
- Published 17 Feb 2026

Key Highlights
- Assigned by a Depository Participant (DP), a client ID is a unique number consisting of 8 digits. It is assigned to identify and manage an individual demat account and investment.
- A demat account number is a combination of the client ID and the DP ID. It is a 16-digit Beneficiary ID (BO ID), which is used to track your securities digitally.
- Within the depository system, a client ID enables accurate transactions, secure access, seamless trade settlements, and SEBI compliance.
- A client ID can be found by an investor using welcome kits, contract notes, broker customer support, and trading platforms.
What Is A Client ID In A 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 need to set up a new account before you can start trading or investing, called a demat account.
When you open an account with a bank, you can deposit money. Following this, you will be 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? Let us find out.
What Is A Client ID In A Demat Account?
A client ID is a unique eight-digit number generated by the depository participants (brokers) 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 (NSDL or CDSL). This client ID number is used to tie all their services to the specific client. You can use this number to track your investment history.
Meaning Of DP ID In A Demat Account
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.
Example Of DP IP And Client ID
Suppose you have a demat account with a broker registered under CDSL. Your DP ID might look something like 12047200, while your client ID in CDSL 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.
Difference Between Client ID and DP ID In A Demat Account
Read the table below to understand the differences between DP ID and client ID.
Full Form | Client Identification Number | Depository Participant Identification Number |
What It Represents | Identifies the individual investor | Identifies the Depository Participant (broker or financial institution) |
Issued By | Assigned by the Depository Participant (DP) to the investor | Assigned by the depository to the DP |
Who Uses It | Used to identify a specific Demat account holder | Used to identify the broker/DP handling Demat accounts |
Uniqueness | Unique to each investor | Unique to each DP |
Part of the Demat Account Number | Forms the second part of the Demat account number | Forms the first part of the Demat account number |
Length | Usually 8 digits | Usually 8 characters (can be numeric or alphanumeric depending on the depository) |
Where to Find Your Client ID?
- 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.
Understanding the Importance of Your Client ID
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.
Conclusion
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.
FAQs On Client ID In Demat Account
The client ID and the DP account number are not the same. The client ID is an eight-digit number assigned by a depository participant to identify you. On the contrary, the DP account number combines the DP ID and client ID to create a 16-digit number.
In simple terms, the client ID is a unique number assigned when you open a demat account with your depository participant. The unique number helps you keep track of transactions, securities, and ownership within the system.
The client ID is crucial in stock trading because it links you to your demat account and ensures that the shares you buy or sell are rightfully credited to that account. The client ID also maintains accurate records of your transactions and holdings.
Usually, an existing client ID cannot be changed. In case you need a new one, you need to close the current Demat account. Then you can open a new account using the same depository participant or a different one.
You can hold multiple client IDs with different DPs. The system allows you to open more than one Demat account using different DPs, where each holds a separate client ID.
This article is for informational purposes only and does not constitute financial advice. It is not produced by the desk of the Kotak Neo Research Team, nor is it a report published by the Kotak Neo 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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