Doing Business in the State
Illinois Business Portal
Registration, Licenses, and Permits
Office of the Secretary of State - Services for Business
Step-by-Step Guide to Starting a Business in Illinois (PDF)
Illinois Department of Commerce and Economic Opportunity
SBA.gov's Business Licenses and Permits Search Tool allows you to get a listing of federal, state and local permits, licenses, and registrations you'll need to run a business.
Return to State Links.