Illinois LLC Formation

Form Your Illinois LLC

Establish your business in the Prairie State with access to Chicago's world-class business ecosystem and central US location

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Illinois state flag

Filed in Illinois

The Prairie State · IL

Available
  • State filing fee$150
  • Processing time5-10 business days
  • Our formation feeFree (you pay $100 if you choose a paid plan)
  • Annual report$75 — due Before the first day of LLC anniversary month
  • State tax rate9.5% corporate income tax
  • Expedited option1 business day (24-hour service) (+$100)
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Form your Illinois LLC — pay only the state filing fee, nothing more.

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What's included

Everything to launch your Illinois LLC

Free formation means you pay only the $150 state filing fee. All core services are included at no extra charge.

Articles of Organization filing

We prepare and submit your Articles of Organization to the Illinois Secretary of State.

Registered agent

Required in Illinois — we act as your agent for the first year.

EIN from the IRS

Your federal Tax ID — required to open a US business bank account and file taxes.

Operating agreement

Professionally drafted operating agreement — defines ownership, voting, and profit splits.

Why Illinois?

Benefits of forming an LLC in Illinois

Illinois offers unmatched transportation infrastructure and access to a diverse, educated workforce. While the tax burden is higher than some states, Chicago's position as a global business center and the state's central location make it a strategic choice for many businesses.

Major transportation and logistics hub in the center of the US

Diverse economy with world-class financial and technology sectors

Access to a massive talent pool from top universities

Chicago offers a global business center with lower costs than NYC or LA

Remove or correct: the Illinois franchise tax was not repealed in 2024; LLCs are simply not subject to the corporate franchise tax

Strong infrastructure with O'Hare Airport and extensive rail network

Key features of a Illinois LLC

  • LLCs are not subject to the Illinois corporate franchise tax (the corporate franchise tax was not repealed in 2024)
  • Central US location with world-class transportation
  • Chicago provides global business center
  • Online filing through CyberDrive system

Major industries in Illinois

Financial ServicesTechnologyManufacturingAgricultureHealthcareTransportation & Logistics
How it works

Form your Illinois LLC in 6 steps

We handle every step while you stay in the loop. Processing takes 5-10 business days.

  1. 01

    Choose Your LLC Name

    Your name must include 'Limited Liability Company,' 'LLC,' or 'L.L.C.' Search the Illinois Secretary of State's database to verify availability.

  2. 02

    Appoint a Registered Agent

    Illinois requires a registered agent with a physical address in the state to accept legal documents on behalf of your LLC.

  3. 03

    File Articles of Organization

    Submit your Articles of Organization to the Illinois Secretary of State. The filing fee is $150. Online filing is available through the CyberDrive system.

  4. 04

    Create an Operating Agreement

    Illinois does not require an Operating Agreement to be filed, but having one is strongly recommended for internal governance and liability protection.

  5. 05

    Obtain an EIN

    Apply for a free EIN from the IRS for tax purposes, banking, and hiring employees.

  6. 06

    File Annual Report

    Illinois LLCs must file an annual report before the first day of the anniversary month of formation. The fee is $75.

Costs & filing details

Illinois LLC costs at a glance

Kicker formation is free — you pay only the required state fees. No hidden charges.

ItemAmount / Detail
State filing fee$150
Kicker formation feeFree (paid plan from $100)
Processing time5-10 business days
Annual report$75 — due Before the first day of LLC anniversary month
Franchise taxNone for LLCs (corps only; mostly $0 since 2025)
State tax rate9.5% corporate income tax
EIN (federal Tax ID)Free from IRS
Expedited filing1 business day (24-hour service) (+$100)
Requirements

Illinois LLC requirements checklist

Everything you need to form and maintain a Illinois LLC in 2026.

Formation checklist
  • File Articles of Organization with Illinois Secretary of State
  • Appoint a registered agent with a physical Illinois address
  • Create an Operating Agreement (recommended)
  • Obtain an EIN from the IRS
  • File annual report before anniversary month ($75)
  • Obtain necessary business licenses and permits

Filing information

Formation document
Articles of Organization
Filing agency
Illinois Secretary of State
Registered agent
Required
Operating agreement
Recommended
EIN
Required
Name reservation fee
$25 (90 days)
Pricing

Free formation — pay only the state fee

Kicker formation is free. You pay the $150 Illinois state filing fee and nothing more for the Starter plan. Optional plans add registered agent, EIN, operating agreement, and compliance.

Starter

$0
+ $150 state fee
  • Articles of Organization filing
  • Name availability check
  • Digital document delivery
  • Formation status tracking
Start free

Booster

$100
+ $150 state fee
  • Everything in Starter
  • Registered agent (required in Illinois)
  • EIN / Federal Tax ID
  • Expedited processing (1–2 days)
  • Operating agreement
  • Priority support
  • Kicker Voice — 3-day free trial
  • Kicker Pay — free for 15 days
Start Booster

Founder

$150
+ $150 state fee
  • Everything in Booster
  • Business mailing address
  • Bookkeeping — 3 months free
  • Dedicated account manager
  • Rush processing
  • Kicker Voice — 6-day free trial
  • Kicker Pay — free for 30 days
Go Founder
Most popular

Kicker

$230
+ $150 state fee
  • Everything in Founder
  • ITIN filing & preparation
  • Same-day priority processing
  • 2nd year annual filing $0
  • Kicker Voice 12-day + Kicker Pay 60 days free
Get Kicker
100% accuracy guaranteeOn-time filing promise30-day money back

Compare all plans on our pricing page.

FAQ

Illinois LLC questions, answered

Common questions about forming an LLC in Illinois. Can't find an answer? Talk to our team.

How much does it cost to form an LLC in Illinois?

The state filing fee is $150. The annual report fee is $75. Our service fee starts at $100 plus the state fee. LLCs are not subject to the Illinois corporate franchise tax.

Does Illinois have a franchise tax?

Illinois LLCs are not subject to the corporate franchise tax. The Illinois Business Corporation Act franchise tax applies only to corporations (with the first $10,000 of liability exempt as of Jan 1, 2025), so for an LLC the main ongoing cost is the $75 annual report fee.

When is the Illinois annual report due?

The annual report is due before the first day of the month in which your LLC was formed. The filing fee is $75. Late filings can result in dissolution.

Is Chicago good for startups?

Yes. Chicago has a thriving startup ecosystem with growing venture capital investment, numerous incubators and accelerators, and access to talent from top universities like Northwestern, University of Chicago, and Illinois Tech.

Can I file my Illinois LLC online?

Yes, you can file Articles of Organization online through the Illinois Secretary of State's CyberDrive system. Online filing is the most convenient method.

What taxes do Illinois LLCs pay?

Illinois has a combined corporate income tax rate of 9.5% (7% income tax + 2.5% replacement tax). Single-member LLCs are typically taxed as pass-through entities. Illinois also has a 6.25% state sales tax.

Official resources

Illinois government filing resources

Filing fees for common LLC services

Official Illinois state charges for the filings you may need after formation — our service fee is separate, and we confirm the current amount before filing.

Name reservation$25

$25 to reserve an available name for 90 days across all entity types (LLC 1.15, BCA 4.10, NFP 104.10 each $25).

Certificate of good standing$25

VARIES BY ENTITY.

Learn more
Certified copy$25

Flat per-document fee, not per-page.

Apostille / authentication$2

$2 per document, same fee for an Apostille or a Certificate of Authentication.

Foreign qualification$150

$150 filing fee.

Learn more
Resale / seller's permitNo fee

No registration fee - the Illinois Dept of Revenue issues the Certificate of Registration free (the official pages describe registration with no fee.

Learn more
Articles amendment$50

$50 filing fee (name/address/other changes).

Learn more
Change of registered agent$25

$25 routine filing fee.

Learn more
Reinstatement$200

$200 base reinstatement filing fee.

Learn more
Dissolution$5

Domestic dissolution/termination = $5.

Learn more

Form your company in any state

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Ready to form your Illinois LLC?

Formation is free — you pay only the $150 Illinois state filing fee. Personal-asset protection, pass-through taxation, and a complete document package, filed in 5-10 business days.

No hidden fees · 100% accuracy guarantee · 30-day money back · All 50 states