Data status: Reviewed sample row · Last reviewed 2025-01-15
Illinois LLC fees & ongoing costs
Figures below are modeled from our dataset. Informational only. Not legal, tax, or financial advice. Fees and rules change; confirm with official agencies.
- Formation filing (dataset)
- $150
- Confirm on the official filing office site.
- Periodic report (SOS-style)
- $75 · annualAnnual report
- Franchise / privilege tax (modeled)
- Not included in annual total unless noted
- Illinois has separate tax rules (e.g., replacement tax) for some businesses—confirm with IDOR.
- We do not model Illinois replacement tax here—your industry and receipts may add material annual cost beyond SOS fees.
- Publication / notice
- Not flagged as a publication state in our dataset
- Registered agent
- Usually required — ~$129/yr commercial assumption
- Expedited filing
- ~$100 (estimate)
Baseline first-year (modeled)
$279
Self-file, registered agent on, no expedite—same as featured cards. Open the calculator to change assumptions.
Baseline annual recurring (modeled)
$204
Includes annualized biennial fees and midpoint taxes when modeled.
Official source
Confirm fees, forms, and due dates on the state site before filing: Illinois business filings.
Notes
Budget SOS compliance separately from Illinois Department of Revenue obligations that depend on your activity.
FAQ
How often must an Illinois LLC file reports?+
Annual reporting is typical. Calendar your due date to avoid dissolution for failure to file.