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Incorporating a Corporation in Illinois

If you want to incorporate a corporation, Company Express will research the availability of chosen company name, prepare for you and file with the Secretary of State office all required corporate paperwork and obtain certified copy of filed documents, if it will be requested by the client.  We also will appoint registered agent for your corporation as required by the state law and help with many of your follow-up corporate needs such as amendment filings, written consents, and annual report preparation and filing. You can find below some of the State incorporation requirements:

Corporate Name Requirements

Name of Illinois corporation must be distinguishable from the name of any existing entity or reserved or registered names.

Permitted designations: Illinois corporate names must contain one of the following words at the end of the name:
  • Co.
  • Company
  • Corp.
  • Corporation
  • Inc.
  • Incorporated
  • Limited
  • Ltd.
Restricted designations: The use of the following words in corporation's name will require approval by the state:
  • Engineer
  • Engineering
  • Insurance
  • Union
  • Bank
  • Banker
  • Banking

Filing Requirements

Please note, that we, at Company Express, will handle all required incorporation filing for you. The following information is presented for your information only.

Required documents: Articles of Incorporation.

Turnaround time:  About 9-12 business days. Expedited 24 hours filings is available for a fee.

Follow-up filings: Not required.

Officers/Directors Information

Minimum number: At least one director is required.

Director qualifications: No special provisions.

Appearance in articles: Not required. 

Principal office location / Registered Agent

Corporation's principal office may be located outside of the state. Local registered agent is required.

Annual Reports

Time to file: Annual Reports must be filed by the first day of the month that marks the anniversary of incorporation. The the fee is $75 plus an amount that is calculated based on paid-in capital. Corporations may also be required to file a Cumulative Report.

Signatures: Only company officers are authorized to sign annual reports. Emailed or faxed signatures are accepted.

Filing extensions: Permitted. 

Ready to incorporate in Illinois? Incorporate now