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Start Your Illinois Business
Fast & Easy

Expert guidance for Illinois LLC and S Corp formation. Compare services, understand requirements, and launch your business with confidence.

4.9/5 Rating
50,000+ Businesses Formed
100% Accuracy Guarantee

Everything You Need to Start Your Illinois Business

From formation to compliance, we guide Illinois entrepreneurs through every step of the business launch process.

🏛️ Illinois Quick Facts

Filing Fee: $150

Processing: 5-10 business days

Annual Report: $75

No Franchise Tax

#1 CHOICE

ZenBusiness

4.9/5

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 ($199/yr) and Premium ($349 first year, then $399/yr) packages add even more value with 1-day processing, operating agreement, business document templates, logo builder, and services to get your business online like domain name registration, AI business website builder, business email, and Money Pro bookkeeping (Premium only). Premium includes registered agent service and business advisor consultation.

Start with ZenBusiness →

🏢 LLC vs S Corp

Tax Flexibility LLC Wins
Tax Savings S Corp Wins
Simplicity LLC Wins
Learn More →

⚡ Simple 3-Step Process

1️⃣

Choose Service

Pick your formation provider

2️⃣

Submit Info

Provide business details

3️⃣

Get Approved

Receive legal documents

🌟 Why Illinois?

  • • Central location
  • • Business-friendly
  • • Major markets
  • • No franchise tax

💼 Expert Support

  • • Formation guidance
  • • Compliance help
  • • Tax planning
  • • Ongoing support

Ready to Start Your Illinois Business?

Join thousands of successful Illinois entrepreneurs who trusted our recommendations. Compare services and start your business today.

Affiliate Disclosure: We earn commissions from qualifying purchases. This helps us provide free resources to Illinois entrepreneurs.