Rank / Illinois
Illinois LLC cost
Official fees for forming and keeping an LLC in Illinois, from Illinois Secretary of State, Business Services Department. Last verified 2026-10-28.
1 year$225
3 years$375
5 years$525
Formation plus recurring state fees and taxes. Excludes registered agent and newspaper costs. Adjust in the calculator.
Line by line
| Item | Amount | Official source |
|---|---|---|
| Formation filing fee 805 ILCS 180/50-10; $400 for an LLC with a series. | $150 | www.ilga.gov verified 2026-10-28 |
| Annual or biennial report fee 805 ILCS 180/50-10; plus $50 for each series with a certificate of designation. | $75 | www.ilga.gov verified 2026-10-28 |
| Foreign registration (another state's LLC) Application for admission (foreign), 805 ILCS 180/50-10; $400 for an LLC with a series. | $150 | www.ilga.gov verified 2026-10-28 |
No verified figure on file for: annual llc tax or minimum franchise tax, publication filing fee, required filing with formation, required filing with foreign registration, late filing penalty. That can mean the state has none, or that we could not confirm it from an official page.
Changes to Illinois figures
No changes recorded yet. The weekly check adds an entry whenever an official figure moves.