Does Illinois Require LLC Publication?

No. Illinois does not require LLC publication. Under 805 ILCS 180/5-5 and 805 ILCS 180/5-40, forming an LLC requires only filing Articles of Organization with the Secretary of State. No separate publication in newspapers or legal journals is mandated. This applies to standard LLCs, Series LLCs, and Professional LLCs alike.

What You Must File Instead

Illinois requires submission of Articles of Organization containing:

• LLC name with an approved designator (LLC, L.L.C., or Limited Liability Company)
• Principal place of business address
• Registered agent name and Illinois registered office address
• Purpose and duration (if not perpetual)
• Names and business addresses of initial managers or managing members
• Organizer information and signatures
• Effective date (if delayed)

File online or by mail with the Illinois Secretary of State. The filing fee is $150. Standard processing takes approximately 10 business days for online filings. Expedited 24-hour service costs an additional $100.

No Ongoing Publication Requirement

After formation, Illinois imposes no publication obligations. Your LLC maintains compliance through annual reports and registered agent maintenance. Unlike some states (New York, Florida, California), Illinois eliminated publication requirements entirely. Your filing with the Secretary of State creates the public record—that's sufficient.

Timeline and Process

1. Prepare Articles of Organization with required information
2. File online through the Illinois Secretary of State website or submit by mail
3. Pay the $150 filing fee
4. Receive your Certificate of Organization (typically within 10 business days)
5. Obtain an EIN from the IRS if needed for tax purposes
6. File annual reports with Illinois to maintain good standing

Your LLC becomes effective on the date specified in your Articles or upon filing if no delayed effective date is chosen.

Key Takeaway

Illinois formation is straightforward: file Articles of Organization, pay the fee, and you're done. No publication step exists at formation or any stage of operation. This makes Illinois formation simpler and more cost-effective than publication-required states.

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This is general information, not legal advice.