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How much does an LLC cost in Illinois? (2026)
Forming an LLC in Illinois costs $150 in state filing fees. Year one comes to $150 and 5 years to $450, above the median state ($335). After formation, the main yearly cost is the annual report at $75.
Illinois LLC, 5 years
State fees, acting as your own registered agent
Year 1
Years 2 to 5
Assumes the recurring report is first due in year 2 and the minimum state tax every year from year 1. Income-based taxes and county or newspaper costs are not included.
Fees and official sources
| Fee | Amount | How often | Source |
|---|---|---|---|
| Formation filing | $150 | once | official page |
| Recurring report | $75 | every year | official page |
| Minimum state tax | $0 | none found on official pages | being checked |
Adding a registered agent
You can be your own registered agent if you have a street address in Illinois and are there in business hours. With the lowest standalone price on our list, Harbor Compliance (registered agent) at $99 a year, the 5-year cost becomes $945. Compare registered agent prices.
Illinois deadlines and late penalties
- The annual report is due before the first day of the LLC's anniversary month, the month it was organized. A pre-filled annual report is sent to the registered agent about 45 days before the due date.
- A report not filed within 60 days after the due date adds a $100 penalty. Not filing within 120 days from the date of delinquency results in administrative dissolution.
- Reinstatement after administrative dissolution costs $200, plus $100 for each year or part of a year of delinquency from the second year on.
What to know before you file in Illinois
- A series LLC pays $400 to form instead of $150.
- The articles of organization can be expedited for an extra $100, online or in person. Annual reports filed online are processed in real time, with no expedite fee.
Illinois compared with nearby states
Among nearby states, Missouri costs $400 less over 5 years and Kentucky costs $525 more than Illinois. The state where you form is usually the state where the LLC does business; forming elsewhere can mean registering in both.
| State | To file | Year 1 | Average per year after | 5 years |
|---|---|---|---|---|
| Illinois | $150 | $150 | $75 | $450 |
| Missouri | $50 | $50 | $0 | $50 |
| Indiana | $75 | $75 | $15.50 | $137 |
| Kentucky | $40 | $215 | $190 | $975 |
Questions
- How much does it cost to start an LLC in Illinois?
- The state filing fee is $150. Counting the recurring report and minimum state tax, year one costs $150 in state fees if you act as your own registered agent.
- How much does an LLC cost per year in Illinois?
- After the first year, state fees average $75 a year: the annual report is $75 every year.
- Is Illinois a cheap state for an LLC?
- Over 5 years Illinois costs $450 in state fees, which ranks 33 of 49 jurisdictions we have confirmed, cheapest first. The median is $335.
Sources, read verified 2026-11-15: ilsos.gov/publications/business-services/llc.html · ilsos.gov/content/dam/publications/pdf_publications/c334.pdf