Illinois LLC cost
Illinois LLC Cost (2026)
Official Illinois LLC Articles of Organization fee ($150), annual report ($75), and first-year cost estimate from the Secretary of State.
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Not legal or tax advice. Confirm current fees on the linked official sources before you file.
Quick cost snapshot
Fees checked: October 27, 2026 (America/New_York).
Formation filing fee
Illinois Articles of Organization filing fee: $150. Expedited 24-hour service is commonly listed as bringing the total to $250 (i.e., +$100).
Source: 805 ILCS 180/50-10; ILSOS LLC online organization instructions (page intermittently unavailable during check; statute fee relied upon).
Name reservation
Illinois allows LLC name reservation. Confirm the current dollar amount on the SOS business-services site when you file; secondary guides often list $25, but use the official checkout/fee page as controlling.
Annual report
LLC annual report fee: $75, due within the 60 days before the first day of the LLC’s anniversary month (the month it was organized).
Source: 805 ILCS 180; ILSOS File an Annual Report.
Franchise / privilege tax
Illinois LLCs do not pay a Delaware-style flat SOS franchise tax; other Illinois Department of Revenue obligations may apply based on activity.
Registered agent
An Illinois registered agent with an Illinois street address is required.
Publication requirement
None for Illinois LLC formation statewide (unlike NY).
Expedite fees
24-hour expedited Articles filing is widely documented at an extra $100 ($250 total). Confirm on the SOS filing portal.
First-year cost estimate
| Approach | Rough first-year total |
|---|---|
| DIY | ~$225 ($150 formation + $75 annual report when due in first anniversary window) |
| DIY + commercial RA | ~$325–$525 |
| With formation service | State fees plus service package |
FAQ
When is the Illinois LLC annual report due?
Within the 60 days immediately before the first day of your anniversary month.
Sources
- 805 ILCS 180/50-10 (fees)
- Illinois SOS — LLC organization instructions
- Illinois SOS — Annual reports
- Guide for Organizing Domestic LLCs (PDF)
Checked October 27, 2026. Note: the ILSOS LLC instructions HTML page returned HTTP 500 during one fetch this run; fees above are anchored to the Illinois Compiled Statutes fee section and SOS annual-report materials.