How to Start an LLC in Illinois (2026)

Filing fee: $150 · Agency: Illinois Secretary of State

Processing time: 10 business days; 1-business-day expedite available for an extra fee.

Annual report: Annual report fee: $75.

Franchise tax: Personal Property Replacement Tax 1.5% applies to multi-member partnership-taxed LLCs.

Notes: Annual report due first day of anniversary month.