Set Up an IL Company

Illinois corporation search by Find-a-Company

Business and Company registrations in Illinois are the responsibility of the Secretary of State. Registration is necessary for a new Company. You can look up details on any Company in Illinois at the Illinois Secretary of State search page.

Dissolution of a Company is also handled by the Secretary of State.


Here's where I go to find the latest link to locate an Illinois Company: Illinois Secretary of State

When you find the Company, information typically available includes:

  • Registered Name of Company
  • Company Number in Illinois
  • Status of Company
  • Location in Illinois
  • Agent of Service
  • Agent Address
  • Telephone Contact

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