Each general construction contractor other than roofing and public works won’t be regulated by Illinois state. However, on the local level through municipalities and counties they will. The roofing contractor will require certification of the state.
Most construction contractors don’t need to be licensed in Illinois. Roofing contractors are the exception.
How to Obtain an Illinois Contractor License
Any additional information can be made available from the following:
Department of Professional Regulation
Experience, Exam, or Education: Are These Required for Contractor Licenses in Illinois?
Check in with the local municipality and county for any requirements.
Illinois Contractor Continued Education: It is Required?
Check in with local municipality and county.
NASCLA Accredited Commercial Contractor: Does Illinois Allow the License?
General Contractor Commercial Contractor Licensure in Illinois: Does the State Require It?
Check in with your local municipalities and county.
Does Illinois Have any Reciprocity With Different States?
The out-of-state corporations are required to obtain a certificate of authority from Illinois secretary of state in order to engage in any business within the state of Illinois.
Question: How do I register my construction company in Illinois?
Register your Illinois Business With:
Illinois Secretary of State
501 S. Second St., Ste 328 (or: Ste 351)
Springfield, IL 62756
What forms do I need to register my new company in Illinois?
Register your Business in Illinois