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Secretary of State Routing · Illinois

Illinois Secretary of State business search

Look up an Illinois LLC or corporation on the state's own records. One click to the right portal, and what to do if the business is not in good standing.

Open the Illinois business search
Opens apps.ilsos.gov in a new tab

Before you open the portal

What the Illinois search asks of you, so nothing stops you halfway.

Account
Not needed

Not in good standing?

An Illinois business can usually be reinstated, which can save a deal you would otherwise decline.

Takes 2 to 4 weeksFiled by mail
  1. Pay all franchise taxes/penalties to the Dept. of Revenue to get a Letter of Tax Clearance.
  2. Submit the Clearance and an Application for Reinstatement to the SOS.
How to reinstate an Illinois business →