Illinois
Secretary of State
Corporation & Business Entity Search
You can find information on any corporation or business entity in Illinois or another state by performing a search on the Secretary of State website of the state or territory where that corporation is registered. Use the links below to jump straight to the correct search page for Illinois or find the page for another state. This site is not affiliated with any government entity and there is no charge to use it. Please note that while most states provide basic corporation registration information for free, there are some that may require a fee for more detailed information. Additionally, we may earn commissions if you purchase products or services through some of the links below. You may also want to read the SecStates Blog to learn more about corporation search.
Search the Illinois corporation registry
Follow this direct link to the official Illinois Secretary of State corporation search page.
Perform a multi-state search
Find out if a company registered in Illinois is also registered in other states.
(nationwide search of all 50 official Secretary of State databases, $25 fee for unlimited searches for one day)
Find more info on a Illinois company
Use public corporation web search tools.
(free commercial database of 28 million U.S. business locations with addresses and phone numbers)
• By Company Name •
• By Person Name •
• By Phone Number •
Find a business entity in another state
Choose the state where the corporation you are researching is registered.
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