How to form an LLC in Illinois for $0 service fee.
Illinois state filing fee is $150. Standard processing is 7 to 10 business days. We file Articles of Organization with the Illinois Secretary of State, obtain your EIN, file your BOI report with FinCEN, and provide Illinois Registered Agent service free for the first year.
Why entrepreneurs file an LLC in Illinois.
5th-largest state economy. Chicago is a global financial center. Heavy regulation. State income tax 4.95% flat. Personal Property Replacement Tax (1.5%) applies to LLC pass-through income.
Where Illinois businesses are based.
You can form your Illinois LLC from any of these metros (or anywhere in the state). Most founders form in the state where they live and operate.
The Illinois formation rules at a glance.
- $150 filing fee, $75 annual report
- Processing: 7 to 10 business days ($100 expedited)
- Filed with the Illinois Secretary of State in Springfield
- Top industries: Financial services (Chicago), Manufacturing, Agriculture
Our take Form in Illinois if you operate here. Reasonable formation and annual costs. Watch the Personal Property Replacement Tax.
Department of Business Services processes LLC formations from Springfield. We file your Articles of Organization electronically with this office. Annual report obligation: $75 annual report.
FILED ELECTRONICALLY · 7 TO 10 BUSINESS DAYSA clean handoff, in four steps.
You give us the basics. We handle the state, the IRS, and the compliance clock so you can focus on the business.
A name that's actually available.
Real-time check against the state register, USPTO trademark database, and matching domains.
Filed with the Secretary of State.
We submit your Articles, pay the state fee on your behalf, and return the stamped certificate.
EIN + the right tax setup.
Federal Employer ID with the IRS, plus state tax accounts when your business needs them.
Registered Agent + deadline tracking.
Your agent on file in every state, with every renewal and annual report tracked in one calendar.
From form to filed in Illinois, in four steps.
Illinois vs neighbors.
If you can operate from multiple states, here is how Illinois compares.
Illinois business resources beyond formation.
After you file, these Illinois-specific organizations help with mentoring, funding, exporting, and growth.
Illinois-specific LLC questions.
What is Personal Property Replacement Tax?
When is the IL annual report due?
Is Illinois losing population?
How much does it cost to form an LLC in Illinois?
How long does it take to form an LLC in Illinois?
Do I need to live in Illinois to form an LLC there?
What is an Illinois Registered Agent?
What about BOI reporting for my Illinois LLC?
Start your Illinois LLC in 5 minutes.
Tell us a few details. We file with the Illinois Secretary of State, obtain your EIN, file your BOI, and set up your Illinois Registered Agent.
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LLCs we have formed in Illinois.
Recommended add-ons
Most customers add these to keep their business compliant year-round.
Registered Agent - Year 1
RecommendedRequired in every state. We act as your legal point of contact and forward filings same-day.
EIN / Federal Tax ID
Most orderedYour business identifier for taxes, bank accounts, hiring, and 1099s. Filed same business day.
Operating Agreement (LLC) / Bylaws (Corp)
State-compliant internal governance doc. Required by most banks at account opening.
Compliance Monitoring
Best valueTrack every annual report, registered agent renewal, and license deadline across all your entities.