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Incorporate in Illinois - State Requirements

Before you proceed with plans to incorporate in Illinois, it is prudent to consider if your future company will be better served by incorporation in a different state than your home state. There is no requirement that your business must be incorporated in the state where your business is located.

Experts agree that the state of Delaware provides the most progressive, supportive and inexpensive system for the formation of business entities. In fact, more than 50% of all Fortune 500 companies incorporate in Delaware. For those companies the tax benefits, anonymity and streamlined corporate bylaws of Delaware are important business factors. Whether incorporating in Delaware would have a significant impact on the operations of your company is a matter that you should explore before making a final decision. We recommend that you review the Incorporate in Delaware article on this site. Then, either continue with your review of this article, and other steps to incorporate in your home state, or begin the simple procedures that exist to carry out your incorporation in Delaware.

Name Search, Selection and Registration in Illinois

A name search is required for registration of a company name. Contingent on the name search, any proposed name for a new corporation that is a duplicate of the name for an existing corporation will be denied registration. In addition, any proposed name for a new corporation that can be construed as or mistaken for an existing domestic or foreign corporation will be denied registration. The name cannot contain any word or phrase that implies the company is in the business of corporate fiduciary, savings deposit, banking, acceptance, indemnity, assurance, or insurance.

The word "Incorporated," "Corporation," "Company," "Limited," or an abbreviated version of any of these signifiers must be included as part of the incorporated business name.

Illinois Incorporation, Board and Operations Requirements

  • The S Corporation is a recognized entity, and is subject to the 1.5% personal property replacement income tax.
  • Initial filing fees may be revised if shares or par value increases.
  • The Board must have a minimum of one director.
  • There is no place-of-residence requirement for directors.
  • There is no age requirement for directors.
  • Articles of incorporation do not require names of directors to be listed.
  • Articles of incorporation do not require names of corporate officers to be listed.
  • Minutes and records of corporate and shareholder meetings must be kept at the main corporate office.

  • If you want to learn more about the procedures that must be followed to incorporate in Illinois, you can read detailed articles on this site that explain how to select a business entity, as well as articles that outline the step-by-step process of incorporation.


    Want more information about registering a company? Visit our Guide. Check out incorporation fees by each state.

    Tip: Did you know that Delaware and Nevada are top two incorporation states?

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