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Assumed Business Name Search

To search information for Corporations, Not-for-Profit Corporations, Limited Partnerships, Limited Liability Companies, and Limited Liability Partnerships visit the Secretary of State's Business Services website.

If you are seeking information on a business license or permit, please contact the Illinois Department of Financial and Professional Regulation.

INSTRUCTIONS: To search for assumed business name, please enter either business Name OR owner's Last name and then click the Search button. All of the records can also be downloaded into Excel.

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