| What to file | Annual report |
|---|---|
| State fee | Annual report: $75 (every year) source ↗ |
| Due | Annual report before the first day of the formation-anniversary month; first annual cycle in the following year. |
| First deadline after forming | Before the first day of your formation-anniversary month, the year after you form. |
| Late fee | $100+$100 per further year or fraction (805 ILCS 180/50-15(b)(1)).Grace: Delinquent from the 1st of the anniversary month; penalty applies if not cured before the 1st day of the 2nd month after the anniversary month (≈1 month). |
| If you don't file | Delinquent/not in good standing; administrative dissolution under 805 ILCS 180/35-25 (not fetched). check with the state |
Government fees only. Report fees, taxes and late fees shown here are paid to the state, not platform or service fees.
Covers LLCs. Corporations file on different rules and fees; check with the state. Official rules: ilga.gov ↗ · ilsos.gov. FormCost isn't affiliated with or endorsed by any government agency. Links go to official public pages.
How to file
File online on ilsos.gov: look up your LLC, confirm or update its details (addresses, registered agent, managers or members) and pay the fee. It usually takes a few minutes, and you don't need a service.
File with Illinois ↗Official site: ilsos.gov. No service needed.
BOI report: not needed for US-formed LLCs. Under FinCEN's final rule, effective August 14, 2026 (making the March 2025 interim rule permanent), companies formed in the US don't file beneficial ownership (BOI) reports. Only companies formed abroad and registered to do business in a US state report, generally within 30 days of their registration taking effect. Filing with FinCEN is free; ignore letters asking you to pay to file one. FinCEN ↗
Illinois LLC cost and yearly fees → What to do after you form All states
Illinois annual report FAQ
Does an Illinois LLC have to file an annual report?
Yes: an annual report, $75, due Before anniversary month.
When is the Illinois LLC annual report due?
Annual report before the first day of the formation-anniversary month; first annual cycle in the following year. First one: before the first day of your formation-anniversary month, the year after you form.
How much does the Illinois annual report cost?
Annual report: $75 (every year).
What happens if I file the Illinois annual report late?
Late fee: $100. +$100 per further year or fraction (805 ILCS 180/50-15(b)(1)). Delinquent/not in good standing; administrative dissolution under 805 ILCS 180/35-25 (not fetched). Check the current rule with the state.
Does my Illinois LLC need to file a BOI report?
No, if it was formed in the US. Under FinCEN’s final rule, effective August 14, 2026, US-formed companies are exempt. Only companies formed abroad and registered to do business in a US state report, generally within 30 days of registering.
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