Create an Illinois LLC
Plan the new company filing and the details needed to prepare it.
Explore LLC formationMove your Illinois company plans forward
Illinois LLC formation service and state annual filing support
Plan your Illinois LLC formation with FormLLC. Discuss the state entity filing, company records and registered-agent arrangements together. Already registered? Bring the company’s anniversary month and the report or update you need so we can define the right service scope.
Key takeaways
- Illinois state filing fee ($150) included in FormLLC Standard ($599)
- 5,000+ founders served
- Founded by Tousif Akram, IRS Certified Acceptance Agent
State guide library
Which Illinois guide do you need?
Choose the topic that matches your task, then verify current fees, forms and deadlines with the responsible agency.
FormationHow to Form an LLC in Illinois: Step-by-Step Registration GuideUpdated 2026-11-03Read guideForeign RegistrationIllinois Foreign LLC Registration Guide : Certificate of AuthorityUpdated 2026-11-03Read guideComplianceIllinois LLC Annual Report: Requirements, Due Dates & FilingUpdated 2026-11-03Read guideTaxIllinois State Tax Filing 2026: Forms, Deadlines & ComplianceUpdated 2026-11-03Read guideS CorporationHow to Start an S Corp in Illinois: $150 Filing Fee, 1.5% PPRT & $75 Annual ReportUpdated 2026-11-03Read guideDissolutionHow to Close or Dissolve an LLC in Illinois: Step-by-Step GuideUpdated 2026-11-03Read guide
Your next step in Illinois
Start with the Illinois company and the filing goal.
Choose formation, admission or maintenance before preparing the document.
Bring in an existing LLC
Review admission for a company already formed elsewhere.
Review foreign qualificationMaintain the Illinois record
Identify the annual report or other update required by the current company.
Discuss Illinois maintenanceConfirm the entity, accepted service and separate charges with FormLLC before you authorize work.
Plan with the details in view
What Are the Main Illinois LLC Requirements?
Ordinary LLC charges and timing should not be assumed to cover every entity or requested change.
Formation and admission fees
The Illinois LLC forms schedule lists $150 for standard Articles of Organization and $150 for an out-of-state LLC’s Application for Admission. These are different filings; FormLLC service fees and optional processing are additional.
Annual report and anniversary month
The standard LLC annual report filing fee is $75. The official guide places the deadline before the first day of the LLC’s anniversary month, rather than at that month’s end. Confirm the date for the actual entity.
Agent updates need separate attention
The online report instructions require a separate filing to change the registered agent or registered office. Identify the requested change before treating an annual report as the complete task.
How to continue
How Do You Prepare an Illinois LLC Filing?
Preparing the filing comes down to four steps, from your first details to a confirmed filing.
- 01
Choose formation or admission
Describe whether you want a new Illinois LLC or registration for a company that already exists in another jurisdiction.
- 02
Check the record and anniversary month
For a current entity, prepare its legal name, file number, status and reporting history.
- 03
Identify any separate changes
Distinguish the report from agent, name or other changes needing a separate filing. Confirm the accepted service and costs.
- 04
Keep documents and future dates
Retain the accepted filing and receipt, then plan the next report alongside separate tax, licensing and internal-record work.
Before requesting help
What Details Do You Need for an Illinois LLC Filing?
Have these details ready before you ask us to help with the filing.
- Proposed entity details or the existing LLC’s legal name and Illinois file number.
- Formation or admission date, anniversary month and current status.
- The report year and any agent, address, name or management changes requested.
- Previous filing receipts and the government or provider notices you received.
Know which filing you need
Check what the annual report can actually change.
Illinois separates routine reporting from certain company updates.
- Agent and registered-office changes
- The online instructions direct these changes to their own filing. Identify whether you need both the annual report and a separate agent or office update.
- Other company changes and status
- Name, purpose, duration or management-type changes can need amendatory documents. An administratively dissolved or revoked LLC cannot use the standard online annual-report route.
Ask for the specific document or problem you need addressed; a routine report is not an all-purpose company repair.
Questions answered
Illinois LLC and annual report questions
Can FormLLC help me form an Illinois LLC?
Discuss the intended company and operating locations with FormLLC. The accepted scope will set out the formation support, information needed and separate service, state and third-party charges.
What is the standard Illinois LLC formation fee?
The state’s forms schedule lists $150 for standard Articles of Organization. Optional processing, provider services and other documents are separate. Do not assume a series LLC or another entity uses the same complete cost.
When is an Illinois LLC annual report due?
The official LLC guide says before the first day of the anniversary month. Use the entity’s actual anniversary month; do not wait until that month ends.
What is the standard Illinois LLC annual report fee?
The published standard filing fee is $75. Confirm any current penalties, processing charges or entity-specific additions separately from the FormLLC service fee.
Can I change the registered agent through the online annual report?
Illinois directs an agent or registered-office change to a separate online filing or Form LLC-1.36/1.37. The annual report alone should not be treated as completion of that change.
Should an LLC formed elsewhere file new Illinois Articles of Organization?
First review the foreign-registration route. Illinois uses an Application for Admission for an out-of-state LLC; creating a new entity and registering the existing one are different decisions.
Move from planning to support
Plan the right filing for your Illinois LLC.
Tell FormLLC whether you need formation, admission, reporting or a company update. Start with a defined scope and clear charges.
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