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Form Your Illinois LLC

State filing fee: $150 Processing: 5-10 business days

Establish Your Illinois LLC in the Land of Lincoln

Illinois offers access to Chicago's major markets, central US location, and diverse economy. Despite higher taxes, Illinois provides exceptional infrastructure, educated workforce, and opportunities in finance, manufacturing, agriculture, and technology.

Chicago financial center
Central US location
Same-day formation available
Diverse economic sectors

Compare Top 5 LLC Formation Services

ServicePriceProcessing TimeRegistered Agent
ZenBusiness
Best Overall Value
$0
+ state fees
7-10 days
Expedited: 1 day
$199/yr
Bizee
Fastest Formation
$0
+ state fees
3 weeks
Expedited: 1 day
Free Year 1
Then $119/yr
Inc Authority
Free Formation
$0
+ state fees
7-10 days
Expedited: 2 days
Free Year 1
Then $119/yr
LegalZoom
Best for Legal Support
$0
+ state fees
5-14 days
Expedited: 1 day
$249/yr
Rocket Lawyer
Legal Documents
$99.99
+ state fees
5-7 days
Expedited: Not available
$149/yr

Top 3 Recommended Services for Illinois

Best Overall
#1
ZenBusiness logo
$0 + state fees
★★★★⯨ 4.9/5

ZenBusiness

Entrepreneurs who want comprehensive support and compliance tools at an affordable price

ZenBusiness stands out as our top pick for LLC formation services thanks to its unbeatable combination of value, features, and support. With formation starting at $0 plus state fees, you can rest easy with their worry-free compliance service, award-winning customer support, and 100% accuracy guarantee. The Pro and Premium packages add even more value with 1-day processing, an employer ID number, operating agreement, and services to get your business online like domain name registration, AI business website builder, and more.

Pros:

  • Starter package is $0 plus state fees
  • Registered agent and compliance services
  • Free worry-free compliance for 1 year
  • Fast 1-day processing time available
  • 100% accuracy guarantee
  • Award-winning customer support

Cons:

  • Some features require upgraded plans
  • More expensive Registered Agent service
Fastest Formation
#2
Bizee logo
$0 + state fees
★★★★⯨ 4.6/5

Bizee

Budget-conscious startups needing fast formation

Bizee (formerly Incfile) offers lightning-fast LLC formation with their $0 package. They're perfect for entrepreneurs who need to form their LLC quickly and affordably. With same-day processing in many states and a year of free registered agent service, Bizee provides exceptional value for basic LLC formation needs.

Pros:

  • $0 basic formation package
  • Same-day processing available
  • Free registered agent for first year
  • Compliance alerts included
  • Dashboard for document management
  • Free business tools and templates

Cons:

  • Operating agreement not included in basic package
  • Limited customer support hours
Best for Branding
#3
Tailor Brands logo
$49 + state fees
★★★★☆ 4.3/5

Tailor Brands

Creative businesses wanting formation plus branding

Tailor Brands combines LLC formation with comprehensive branding tools. Their unique approach includes AI-powered logo design, website creation, and marketing materials. Perfect for creative entrepreneurs who want to establish their brand identity alongside their legal structure.

Pros:

  • Includes logo design and branding
  • Website builder included
  • Business card designs
  • Mobile app available
  • Operating agreement included
  • EIN service included

Cons:

  • No rush processing available
  • Monthly subscription required
  • Customer service via chat/email only

Illinois LLC Formation Costs

Illinois LLC Cost Breakdown

State Filing Fee
$150
Annual Report Fee
$75
Total First Year Cost $225

Additional Costs to Consider:

  • Formation service fees: $0 - $299 (depending on provider)
  • Registered agent service: $99 - $299/year
  • EIN from IRS: Free (or $99+ if using a service)
Standard Processing Time: 5-10 business days

Frequently Asked Questions

Illinois LLC formation costs:
  • State filing fee: $150 (online) or $500 (paper)
  • Annual report: $75 (due each year before anniversary)
  • Registered agent: Required (typically $99-$299/year)
Illinois strongly incentivizes online filing with a $350 difference in fees. The total first-year cost with online filing is $225 plus registered agent fees.

Illinois charges $500 for paper filings versus $150 online to encourage electronic filing. This $350 difference is one of the largest in the nation. Online filing is faster, more efficient, and provides immediate confirmation. The state processes online filings much quicker and reduces errors through built-in validation.

Illinois processing times:
  • Online filing: 5-10 business days
  • Expedited online: 24 hours for $100 additional fee
  • Paper filing: 15-20 business days
  • Expedited paper: 24 hours for $200 additional fee
Same-day service is available for in-person filing in Springfield with a $100 expedite fee.

Illinois LLCs must file an annual report before the anniversary date of formation, with a $75 fee. The report updates company information including principal office, registered agent, and managers. Late filing results in penalties and potential administrative dissolution. Illinois sends reminders 60 days before the due date.

Illinois offers advantages beyond tax considerations:
  • Chicago markets: Access to major financial and commodity exchanges
  • Transportation hub: Central location with excellent rail, highway, and air connections
  • Educated workforce: Multiple major universities
  • Industry diversity: Strong in finance, manufacturing, agriculture, and healthcare
  • Infrastructure: World-class transportation and logistics
  • Innovation: Growing tech and startup ecosystem
For businesses that benefit from Illinois' location and resources, the higher taxes may be offset by opportunities.

No, Illinois doesn't require newspaper publication for LLC formation, unlike neighboring states like New York. This saves new LLCs hundreds or thousands of dollars in formation costs. Illinois only requires standard state filing and registered agent appointment, making the formation process straightforward.

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Formation starting at $0 + state fees