Corporate Identification Number (CIN)? Meaning, Format, and Importance Explained

CIN is a unique 21-digit alphanumeric code used to identify, track, and verify registered companies in India.
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2 min read
16 April 2025

In the complex landscape of business regulations and legal requirements, a corporate identification number (CIN) plays a vital role. This unique alphanumeric code is an integral part of your business identity and is a mandatory registration for companies in India. In this article, we will delve into the intricacies of CIN, its significance, and how it ties into the broader context of business and tax compliance.

What is a Corporate Identification Number (CIN)?

Corporate Identification Number (CIN) is a unique identification code assigned by the Registrar of Companies (RoC) to all companies registered in India. It is a 21-digit alphanumeric code issued at the time of incorporation and serves as an official reference for all company-related filings and compliance with the Ministry of Corporate Affairs.

The CIN is allotted to various types of registered entities, including:

  • Private Limited Company
  • One Person Company
  • Companies fully or partially owned by the Central Government
  • State Government-owned companies
  • Section 8 companies (Not-for-Profit)
  • Nidhi companies and other registered corporate entities

It’s important to note that Limited Liability Partnerships (LLPs) do not receive a CIN. Instead, they are issued an LLPIN, or Limited Liability Partnership Identification Number, which is a unique 7-digit identifier specific to LLPs.

What are the different sections of a CIN?

The Corporate Identification Number (CIN) is a 21-character alphanumeric code assigned to companies registered in India. Each part of this code provides specific details about the company. The CIN is divided into six distinct sections, each representing important information related to the company's registration and identity:

  • Section 1 – Listing Status:
    The first character of the CIN is either ‘L’ or ‘U’. ‘L’ denotes that the company is listed on a stock exchange, while ‘U’ signifies an unlisted company.
  • Section 2 – Industry Code:
    The next five digits indicate the industry classification of the company. This code is based on the nature of the company’s primary economic activity, as defined by the Ministry of Corporate Affairs (MCA).
  • Section 3 – State Code:
    Following that are two alphabets that denote the state or union territory where the company is registered. For example:
    • DL = Delhi
    • MH = Maharashtra
    • KA = Karnataka
    • TN = Tamil Nadu
  • Section 4 – Year of Incorporation:
    The next four digits represent the year in which the company was incorporated.
  • Section 5 – Company Type:
    The next three alphabets specify the classification or type of the company, such as whether it is private, public, not-for-profit, or government-owned. Common codes include:
    • PTC: Private Limited Company
    • PLC: Public Limited Company
    • OPC: One Person Company
    • NPL: Not-for-Profit Company (Section 8)
    • FTC: Subsidiary of a Foreign Company
    • GOI: Government of India-owned Company
    • SGC: State Government-owned Company
    • FLC: Financial Lease Company (Public)
    • GAP: General Association (Public)
    • GAT: General Association (Private)
    • o ULL: Public Company with Unlimited Liability
    • ULT: Private Company with Unlimited Liability
  • Section 6 – Registration Number:
    The final six digits represent the unique registration number assigned by the Registrar of Companies (RoC) to identify the business within the state of registration.

What is the importance of CIN in businesses?

The CIN number of a company is not merely a legal formality. It serves several crucial functions in the world of business:

  • Legal identification: A CIN is the legal identity of a company in India. It is mandatory for all companies to obtain a CIN during their business registration process. Without it, a company cannot conduct business or enter into legally binding contracts.
  • Regulatory compliance: CIN is instrumental in ensuring that companies adhere to the legal framework governing businesses in India. It facilitates tracking and verification of a company's activities, making it an indispensable tool for regulatory authorities.
  • Transparent business environment: CIN fosters transparency in the business environment. It enables stakeholders, including shareholders, creditors, and the government, to access and verify the information related to a company. This transparency promotes accountability and trust.
  • Prevents fraud and misrepresentation: CIN helps in preventing fraud and misrepresentation. It ensures that companies operate under their designated legal structure and business activities, deterring fraudulent activities.
  • Access to corporate data: A CIN is a key that unlocks a wealth of corporate data. It allows easy access to a company's official documents, financial statements, and other important information through the MCA portal. This access is crucial for investors, competitors, and regulatory bodies.

Breaking down Corporate Identification Number

The 21-digit Corporate Identification Number (CIN) contains structured details about a company's registration. Each segment of the CIN holds specific information, and it can be divided into six distinct sections. For example, consider the CIN: L01631KA2010PTC096843. Here's what each part signifies:

  • Section 1 – L:
    The first character indicates the company’s listing status. 'L' refers to a listed company, while 'U' denotes an unlisted company on Indian stock exchanges.
  • Section 2 – 01631:
    The next five digits represent the industry classification based on the company’s primary business activity. This code is defined by the Ministry of Corporate Affairs (MCA).
  • Section 3 – KA:
    These two letters show the state or union territory where the company is registered. For example, 'KA' stands for Karnataka, 'MH' for Maharashtra, and 'DL' for Delhi.
  • Section 4 – 2010:
    The following four digits specify the year the company was incorporated.
  • Section 5 – PTC:
    These three characters indicate the company type. For instance, 'PTC' denotes a Private Limited Company, 'PLC' indicates a Public Limited Company, 'FTC' refers to a subsidiary of a foreign company, and 'GOI' signifies a Government of India-owned entity.
  • Section 6 – 096843:
    The last six digits are the unique registration number assigned to the company by the Registrar of Companies (RoC) at the time of incorporation.

Each section of the CIN plays a role in identifying and categorising companies registered under the Companies Act in India.

Abbreviations in CIN number

Understanding the abbreviations used in a CIN number can provide insights into the company's characteristics. Here are some common abbreviations found in CIN numbers:

  • ROC: Registrar of companies
  • U: Public limited company
  • L: Private limited company
  • OPC: One person company
  • LLP: Limited liability partnership
  • NPL: Non-Profit company
  • CIC: Class of company
  • SPL: Section of the Act

What is the CIN number in GST?

The Goods and Services Tax (GST) is a significant indirect tax reform in India. While CIN and GST are related, they serve distinct purposes. The CIN number pertains to a company's corporate identity, while the GST number is specifically for tax purposes. The GST number is issued to businesses for the collection and remittance of GST, a consumption-based tax.

The CIN is a fundamental registration for a company, whereas the GST number is essential for a business to participate in the tax system. Both numbers coexist, with each serving its designated role in business and taxation.

Usage of Corporate Incorporation Number

Businesses registered in India must ensure their CIN is clearly mentioned across a variety of official and statutory documents. These include:

  • Payment documents such as receipts, invoices, and bills
  • Company communications, including memos and notices
  • All printed or digital letterheads
  • Financial documents such as audit reports and annual filings
  • Government submissions made through the MCA portal
  • Any formal or regulatory publications issued by the company

Conclusion

In conclusion, the corporate identification number (CIN) is a vital component of your business identity. It offers transparency, ensures regulatory compliance, and distinguishes your company in the crowded business landscape of India. While CIN and GST are distinct, they both play essential roles in the legal and financial aspects of your business. Understanding the importance of your CIN number is key to maintaining the integrity of your company and navigating the complex regulatory environment of the business world in India.

Additional Read: What is GSTR
Additional Read: What is GSTIN

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Frequently asked questions

How do I find my CIN number?

Your CIN number can be found on various documents, including the certificate of incorporation issued by the registrar of companies, your Memorandum of association (MOA), and articles of association (AOA). Additionally, you can access your CIN number online through the Ministry of Corporate Affairs (MCA) portal.

Are CIN and GST the same?

No, CIN and GST are not the same. CIN is your corporate identification number, which identifies your company, while GST is your Goods and Services Tax number, used for taxation purposes.

How do I change my CIN?

Your CIN is a unique identifier assigned during the incorporation of your company. It cannot be changed. If you need to make any changes or updates to your company's details, you will need to file the necessary forms with the registrar of companies.

Who is eligible for CIN number?

Companies incorporated in India, including public and private limited companies, are eligible for CIN (Corporate Identification Number). Sole proprietorships and partnership firms do not require CIN.

What is the purpose of CIN number?

The Corporate Identification Number (CIN) serves as a unique identifier for registered companies. It helps in identifying and differentiating various entities, aiding in transparency, legal compliance, and simplifying communication between companies and regulatory authorities.

Who provides the CIN number?

The CIN number is provided by the registrar of companies (ROC), which is a government body that registers and regulates companies in India. The CIN number is required for various purposes such as filing annual returns, tax payments, and legal compliance.

Who needs a CIN number?

A CIN (Corporate Identification Number) is a unique digit code that is assigned to companies or businesses incorporated in India. Every company registered with the Ministry of Corporate Affairs in India is required to have a CIN number, which is used for legal and official purposes, such as filing tax returns and submitting statutory documents.

How do I get a new CIN number?

To get a new CIN (Corporate Identification Number) number, you need to incorporate your business or company with the Ministry of Corporate Affairs (MCA) in India. This involves filing the appropriate forms and documents, paying the necessary fees, and complying with all the legal and regulatory requirements. The MCA will then assign a unique CIN number to your business.

How do I find a company name by CIN?

To find a company name by CIN (Corporate Identification Number), you can visit the website of the Ministry of Corporate Affairs (MCA) in India. On the MCA portal, click on the 'Find CIN/LLPIN' option, enter the CIN number, and click on the search button. The search results will display the name of the company associated with the given CIN number.

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