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CIN - Corporate Identity Number

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Quick Summary

The Corporate Identity Number (CIN) is a unique identifier assigned to every company registered in India. It's issued by the Registrar of Companies (ROC) under the Ministry of Corporate Affairs (MCA).

The Corporate Identity Number (CIN) is a unique identifier assigned to every company registered in India. It's issued by the Registrar of Companies (ROC) under the Ministry of Corporate Affairs (MCA).

Structure of CIN

CIN is a 21-character alphanumeric code with the following structure:

  • 1st Character: Listing status (L for Listed, U for Unlisted)
  • 2nd-5th Characters: Industry code (NIC code)
  • 6th-8th Characters: State code
  • 9th-12th Characters: Year of incorporation
  • 13th-16th Characters: Ownership type (PLC, PTC, etc.)
  • 17th-21st Characters: Registration number

Example

L17110MH1973PLC019786

  • L - Listed company
  • 17110 - Industry code (Manufacturing)
  • MH - Maharashtra state
  • 1973 - Year of incorporation
  • PLC - Public Limited Company
  • 019786 - Registration number

Where to Find CIN

You can find a company's CIN on:

  • Certificate of Incorporation
  • MCA Portal (by searching company name)
  • Company's letterheads and official documents
  • Annual Returns and financial statements

Key Points

  • CIN is mandatory for all companies registered in India
  • It remains the same throughout the company's lifetime
  • Must be quoted in all MCA filings and communications
  • Helps identify company details quickly
  • Different from GSTIN or PAN numbers
  • 21 characters: 1 listing status + 4 NIC + 3 state + 4 year + 4 type + 5 reg no

Frequently Asked Questions

Is CIN the same as GSTIN?

Can CIN be changed?

Where can I find my company's CIN?

What is the difference between CIN and LLPIN?