News Flash
Government Schemes5 min read

What Is a Company Registration Number(CIN)? Full Guide

Guidance by StartupFlora

When a company is registered in India, it is issued a unique 21-digit alphanumeric code called the Corporate Identification Number (CIN) or Company Registration Number. This number is issued by the Registrar of Companies (ROC) under the Ministry of Corporate Affairs (MCA) and is used to uniquely identify and track companies for all official and legal purposes. Whether you want to verify a CIN number, apply for a company registration, or understand CIN full form in GST, this guide will give you a complete overview.

blog banner

Importance & Benefits of CIN Number

Legal Recognition

Legal Recognition

Validates the company under the Companies Act.

Transparency: Required on all official documents (e.g., invoices, annual reports).

Transparency: Required on all official documents (e.g., invoices, annual reports).

Required on all official documents (e.g., invoices, annual reports).

Tracking

Tracking

Helps the ROC track company filings and compliance.

Verification

Verification

Stakeholders can verify CIN through the MCA portal.

Regulatory Compliance

Regulatory Compliance

Avoids penalties for non-mention in official communication.

Boosts Credibility

Boosts Credibility

Strengthens brand identity and investor trust.

CIN vs LLPIN vs GSTIN: Key Differences

CIN
LLPIN
GSTIN
Full Form
Corporate Identification Number
Limited Liability Partnership ID
Goods and Services Tax ID Number
Issued By
Registrar of Companies (ROC)
ROC
GST Department
Format
21-character alphanumeric
7-character alphanumeric
15-character alphanumeric
Applicable To
Companies
LLPs
GST Registered Businesses
Purpose
Company Registration
LLP Registration
GST Compliance & Tax Filing

How to Get CIN Number in India?

Obtain DSC

Obtain DSC

(Digital Signature Certificate)

Apply for DIN

Apply for DIN

(Director Identification Number)

Register on MCA Portal

Register on MCA Portal

Submit Incorporation Documents:

Submit Incorporation Documents:

1. MOA (Memorandum of Association)

2. AOA (Articles of Association)

3. PAN, Address Proof, Utility Bills

Pay the Fees and Submit Forms

Pay the Fees and Submit Forms

Receive Certificate of Incorporation with CIN Number

Receive Certificate of Incorporation with CIN Number

Where to Find CIN Number

You can find the CIN:

1. On the Certificate of Incorporation

2. On invoices, letterheads, and legal documents

3. On the MCA Portal under "Company/LLP Master Data"

How to Find CIN Online:

1. Visit: https://www.mca.gov.in

2. Click on "MCA Services" > "View Company/LLP Master Data"

3. Enter company name or existing CIN to verify

Structure of CIN Number

Example: L12345MH2025PTC123456

1. L – Indicates whether the company is Listed (L) or Unlisted (U) on the stock exchange.

2. 12345 – Represents the Industry Code assigned by the Ministry of Corporate Affairs (MCA) based on the company's business activity.

3. MH – Refers to the State Code, showing the state of company registration.
(Example: MH = Maharashtra, DL = Delhi, KA = Karnataka)

4. 2025 – Indicates the Year of Incorporation of the company.

5. PTC – Denotes the Type of Company:

PTC = Private Limited Company

PLC = Public Limited Company

NPL = Not-for-Profit (Section 8) Company

OPC = One Person Company

GOI = Government of India-owned company

6. 123456 – A Unique 6-digit Registration Number assigned by the Registrar of Companies (ROC).

FAQs

CIN stands for Corporate Identification Number.
By registering your company with the Ministry of Corporate Affairs.
No. CIN is for company registration, GSTIN is for tax compliance.
Yes, it's required for all companies registered under the Companies Act.
On the MCA portal under "View Company Master Data".
Yes, if company type, industry, or location changes.
There's no CIN in GST. GSTIN is the correct identifier for GST.
No, LLPs get a different identifier called LLPIN.
Penalty of INR 1,000/day up to INR 1 lakh.
Certificate of Incorporation, invoices, reports, and MCA filings.

What is CIN Number?

CIN stands for Corporate Identification Number. It is a 21-character alpha-numeric code assigned to registered companies in India including Private Limited, Public Limited, One Person Companies, etc.

The CIN:

Confirms your company is registered with the MCA.

Is used on all official documents and filings.

Helps identify the company type, registration state, year of incorporation, and more.