Illinois LLC Name Search & Entity Availability
Verify legal availability against the Illinois Secretary of State (CyberDriveIllinois) database, review statutory requirements, and secure your brand across domains and social networks.
Scan Your Proposed Illinois Business Name
Instant real-time checks across DNS domains, major social handles, and federal trademark databases.
Illinois LLC Formation Cost & Fee Breakdown
Statutory fees and ongoing compliance requirements for Illinois.
| Fee Type | Cost | Authority / Schedule | Mandatory? |
|---|---|---|---|
| State Filing Fee (Articles of Organization) | $150 | Illinois Secretary of State (CyberDriveIllinois) | Yes (One-time) |
| Annual / Biennial Compliance Fee | $75 annual report | Annual / Biennial Schedule | Yes (Recurring) |
| Registered Agent Service | $0 - $39/yr (Northwest) | Commercial Agent or Self | Yes (Required) |
| Federal EIN (Tax ID) | $0 (Free) | Internal Revenue Service (IRS) | Recommended |
Illinois LLC Naming Rules & Guidelines
Official statutory naming constraints administered by the Illinois Secretary of State (CyberDriveIllinois).
Must contain 'limited liability company', 'l.l.c.', or 'llc'. Cannot contain 'corporation', 'corp.', 'inc.', 'incorporated', or 'ltd.'.
How to Form an LLC in Illinois (Step-by-Step)
Choose a Compliant Illinois LLC Name
Your business name must contain a statutory designator such as "LLC" or "Limited Liability Company". It must be distinguishable from all other registered active entities on file with the Illinois Secretary of State (CyberDriveIllinois).
Appoint a Registered Agent in Illinois
You must appoint a registered agent with a physical street address in Illinois (P.O. Boxes are not permitted). The agent accepts service of process and official legal notices during standard business hours.
File Formation Documents & Pay $150
Submit your official Articles of Organization to the Illinois Secretary of State (CyberDriveIllinois). The standard state filing fee is $150 with an estimated processing time of Immediate to 2 business days.
Draft an LLC Operating Agreement
An Operating Agreement outlines internal governance, voting thresholds, equity percentages, and profit disbursements. Having an executed operating agreement protects corporate liability separation in court.
Obtain a Free Federal EIN from the IRS
Your Employer Identification Number (EIN) acts as your business's Federal Tax ID. It is required for business checking accounts, merchant services, and hiring staff.
Maintain Annual Compliance & Reports
Stay in continuous good standing with Illinois by filing your required statutory reports: $75 annual report.