Illinois LLC Guide (2026)
Everything you need to form and maintain an LLC in Illinois — state-specific fees, deadlines, and step-by-step instructions.
Filing fee$150
Processing10 days
Annual reportAnniversary month
Guides for Illinois are coming soon. Browse all LLC guides →
Compare Illinois with Other States
| State | Filing Fee | Guide |
|---|---|---|
| Illinois ← you are here | $150 | — |
| Rhode Island | $150 | View → |
| South Dakota | $150 | View → |
| Kansas | $160 | View → |
| Minnesota | $135 | View → |
| North Dakota | $135 | View → |