Business Formation in Illinois
LLC & Corporation formation in Illinois.
Illinois formation requirements, filing fees, registered agent rules, and ongoing compliance — for both LLCs and corporations, on one page.
Formation Overview
LLC Formation in Illinois
Illinois LLCs file Articles of Organization and an annual report.
Corporation Formation in Illinois
Illinois corporations file Articles of Incorporation and an annual report.
Key Filing Requirements
- Filing agency
- Illinois Secretary of State — Department of Business Services
- LLC formation document
- Articles of Organization
- Corporation formation document
- Articles of Incorporation
- LLC state filing fee
- $150
- Corporation state filing fee
- $150
- Annual / periodic report
- Illinois requires an annual report.
- Annual report fee
- $75 LLC / $50 corporation
- Registered agent requirement
- A registered agent with a physical Illinois address is required.
- Official state source
- Official Agency Website
Ongoing Compliance
File the annual report and maintain a registered agent.
LLC Management
Member- or manager-managed per the operating agreement.
Corporation Directors & Officers
At least one director and officer required.
Foreign Qualification
Foreign entities may obtain a Certificate of Authority in Illinois.
Learn about foreign qualificationExplore Other States
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Illinois Formation
Ready to form your company in Illinois?
Initial formation is $495 plus Illinois state filing fees. Ongoing maintenance through Nationwide begins the following year at $495 plus applicable state fees. Call 1-888-498-5402.