How much does an LLC cost in Illinois?
The state filing fee to form an LLC in Illinois is $150. Articles of Organization.
Illinois requires an annual Annual Report. The fee is $75.
When is the Illinois annual report due?
The Illinois Annual Report is due before the first day of the LLC's anniversary month every year.
Late penalty: $100 penalty if filed more than 60 days late.
Find your next Illinois due date
Official sources
- www.ilsos.gov/publications/pdf_publications/c334.pdf
- www.ilsos.gov/departments/business-services/annual-reports/llc-instructions.html
Last checked October 16, 2026. Spotted a change? See our methodology & corrections page.
Illinois LLC FAQ
How much does an LLC cost in Illinois?
The state filing fee to form an LLC in Illinois is $150. After that, the Annual Report costs $75 every year.
When is the Illinois LLC annual report due?
The Illinois Annual Report is due before the first day of the LLC's anniversary month every year.
Does Illinois require an annual report for LLCs?
Yes. Illinois LLCs file the Annual Report every year.
What happens if I file late in Illinois?
$100 penalty if filed more than 60 days late. Continued failure to file can lead to loss of good standing or administrative dissolution.