Basic Formation
$149
plus Illinois Secretary of State filing fee ($150 LLC / $175 corporation), shipping and applicable tax
Start my Illinois businessCorp USA is not a law firm and does not provide legal advice.
Illinois business filing
Illinois Filing Fees & Corp USA Package Schedule
Illinois LLC $299 ($150 state + $149 Basic), Series LLC $599 umbrella plus $50 per series, Corporation $324 ($175 state + $149 Basic), Annual Report $174, Registered Agent $199/year. State fees pass through at $0 markup. LLC Deluxe $449 / Complete $499; Corporation Deluxe $474 / Complete $524; no state-fee markup.
Last content review: October 28, 2026
Start Illinois LLC ($299)
Corp USA is not a law firm and does not provide legal advice.
- Illinois 805 ILCS 180 & 805 ILCS 5 statutory references
- $0 Markup on State Pass-Through Fees
- Physical Corporate Kits & Seals (corpusa.net)
- Live Filing Support: (386) 465-3937
What to know before you file
Illinois filing requirements
Illinois LLC $299 ($150 state + $149 Basic), Series LLC $599 umbrella plus $50 per series, Corporation $324 ($175 state + $149 Basic), Annual Report $174, Registered Agent $199/year. State fees pass through at $0 markup. LLC Deluxe $449 / Complete $499; Corporation Deluxe $474 / Complete $524; no state-fee markup.
Official source: Illinois Secretary of State — Department of Business ServicesAnniversary-month compliance
Illinois Annual Reports (Form LLC-50.1 under 805 ILCS 180/50-1; Form BCA 14.05 under 805 ILCS 5/14.05) are due before the first day of the anniversary month: the last day of the previous month. The window opens 60 days before that first day. $75 state + $99 service = $174; nonprofits use Form NFP 114.05 ($10 + $99 = $109). Series LLCs add $50 per active registered series. LLCs incur a $100 late penalty after 60 days; 180 days without filing triggers an administrative-dissolution warning. Reinstatement uses Form LLC-35.40 or BCA 12.45: $200 state + $299 service plus back reports and penalties.
Official source: Illinois Secretary of State — Department of Business ServicesFormation packages
Deluxe Formation
$299
plus Illinois Secretary of State filing fee ($150 LLC / $175 corporation), shipping and applicable tax
Start my Illinois businessCorp USA is not a law firm and does not provide legal advice.
Complete Formation
$349
plus Illinois Secretary of State filing fee ($150 LLC / $175 corporation), shipping and applicable tax
Start my Illinois businessCorp USA is not a law firm and does not provide legal advice.
All Illinois service fees
| Service | State fee | Service fee | Total |
|---|---|---|---|
| Illinois Domestic LLC Formation (Form LLC-5.5) 805 ILCS 180/5-5 · Basic $299 / Deluxe $449 with Custom Illinois LLC Kit & Embossing Seal / Complete $499. Zero newspaper publication required. | $150 | $149 | $299 |
| Illinois Series LLC Formation 805 ILCS 180/37-40 · $599 umbrella + $50 per Certificate of Designation. Under 805 ILCS 180/37-40(b), vertical and horizontal liability segregation requires separate records, assets and statutory notice. Suitable for real estate and multi-location operations. | $400 | $199 | $599 |
| Illinois Business Corporation (C-Corp or S-Corp) 805 ILCS 5/2.10 · $150 filing + $25 minimum initial franchise tax; Basic $324 / Deluxe $474 / Complete $524 with Illinois Corporate Kit, Stock Certificates & Seal. $1,000,000 franchise-tax liability exemption under 805 ILCS 5/15.35. | $175 | $149 | $324 |
| Illinois Venture 10M-Share Startup C-Corporation 805 ILCS 5/2.10 & 5/6.05 · $424 total. 10,000,000 common shares, Bylaws, Founder Restricted Stock Purchase Agreements (RSPAs) and 30-day IRC § 83(b) Election kit for Chicago, Fulton Market, UIUC and Northwestern founders. | $175 | $249 | $424 |
| Illinois Professional LLC (PLLC) / Professional Service Corp (PC) 805 ILCS 185/ & 805 ILCS 10/ · PLLC $299 / PC $324. IDFPR single-profession purpose clause and Illinois Supreme Court Rule 721 review for lawyers; IDFPR registration guide ($50 fee). | $150 | $149 | $299 |
| Illinois General Not For Profit Corporation 805 ILCS 105/102.10 · $199 total. IRS 501(c)(3) purpose clause and Illinois Attorney General Charitable Trust Form CO-1 checklist. | $50 | $149 | $199 |
| Illinois Registered Agent & Registered Office Service 805 ILCS 180/1-35 & 805 ILCS 5/5.05 · $199/year. Physical Illinois registered office and service-of-process handling. | $0 | $199 | $199 |
| Illinois LLC Annual Report 805 ILCS 180/50-1 · $174 total. Due before the first day of anniversary month; $100 LLC late penalty after 60 days under 805 ILCS 180/50-15. Series reports add $50 per active registered series. | $75 | $99 | $174 |
| Illinois Corporation Annual Report & $1M Franchise Tax Exemption Filing 805 ILCS 5/14.05 & 5/15.35 · $174 total excluding any franchise tax above the $1,000,000 liability exemption. | $75 | $99 | $174 |
| Illinois S-Corporation Election & PPRT Setup IRC § 1362 & 35 ILCS 5/201 · $149 total; 1.5% PPRT and optional 4.95% PTE election review. | $0 | $149 | $149 |
| Federal IRS EIN Tax ID + MyTax Illinois Guide IRC § 6109 & 35 ILCS 5/ · IRS issues EINs free; $99 is our optional preparation service. | $0 | $99 | $99 |
| Illinois Assumed Name / DBA Registration 805 ILCS 180/1-20 & 805 ILCS 5/4.15 · $30–$150 state fee on five-year cycle; $299 maximum, $269 in 2026 ($120 state + $149 service). No newspaper publication for statewide LLC/corp assumed names; county DBAs under 805 ILCS 405/1 require three-week publication. | $150 | $149 | $299 |
| Illinois Foreign Qualification 805 ILCS 180/45-5 & 805 ILCS 5/13.15 · LLC $599 ($150 state); corporation $624 ($175 state). | $150 | $449 | $599 |
| Illinois Certificate of Good Standing 805 ILCS 180/50-10 & 805 ILCS 5/15.10 · $124 total; resolve back reports before requesting. | $25 | $99 | $124 |
| Illinois Articles of Amendment 805 ILCS 180/5-25 & 805 ILCS 5/10.30 · $349 total. | $50 | $299 | $349 |
| Illinois Statement of Termination / Articles of Dissolution 805 ILCS 180/35-15 & 805 ILCS 5/12.20 · $404 total. Review creditors, distributions and final tax returns. | $5 | $399 | $404 |
| Illinois Application for Reinstatement 805 ILCS 180/35-40 & 805 ILCS 5/12.45 · $499 plus past-due state reports and penalties; confirm ILSOS entity status. | $200 | $299 | $499 |
| Custom Illinois Corporate Kit, LLC Record Book & Embossing Seal 805 ILCS 180/1-40 & 805 ILCS 5/7.75 · $99 total. | $0 | $99 | $99 |
Illinois fees & franchise tax
Illinois Anniversary-Month Annual Report & Penalties
Report due (previous month end)
September 30, 2026
60-day window opens
August 2, 2026
On-time state + $99 service
$174
LLC late penalty
$0
IL Form LLC-50.1 (LLC Annual Report) · Due before October 1, 2026. $100 late-penalty threshold: November 29, 2026. 180-day administrative-dissolution warning: March 29, 2027.
28 days overdue.
Form LLC-35.40: $200 reinstatement + $75 × 1 back report(s) + $0 modeled penalty + $299 service = $574. Additional assessed penalties may apply; this estimate does not establish actual dissolution status.
805 ILCS 180/50-1, 50-15, 35-25; 805 ILCS 5/14.05, 12.35; 805 ILCS 105/114.05. Reports follow the anniversary month, not a statewide calendar deadline.
Illinois Startup, Series LLC & 24-Hour Filing Costs
State formation fee
$150
Designations / IDFPR / expedited
$0
Corp USA service
$149
Startup total
$299
Year 2 report forecast: $75 state + $99 service = $174. Corporation franchise tax is $0 when liability does not exceed the $1,000,000 exemption. Series LLC $599 is the umbrella price before designations.
805 ILCS 180/37-40, 50-10; 805 ILCS 5/15.35. No newspaper publication for LLC formation. Shipping and applicable tax are separate.
Start Illinois filing — $299Frequently asked questions
Illinois LLC $299 ($150 state + $149 Basic), Series LLC $599 umbrella plus $50 per series, Corporation $324 ($175 state + $149 Basic), Annual Report $174, Registered Agent $199/year. State fees pass through at $0 markup. LLC Deluxe $449 / Complete $499; Corporation Deluxe $474 / Complete $524; no state-fee markup.
Official source: Illinois Secretary of State — Department of Business ServicesNo. Check municipal licenses, MyTax Illinois registration and professional approvals before operating.
Official source: Illinois state agencyYour next chapter. In Illinois.
Start Illinois LLC ($299)
Corp USA is not a law firm and does not provide legal advice.