LLC Cost in Illinois (2026)
State Filing Fee: $150 | Annual Report: $75/year
Forming an LLC in Illinois requires filing Articles of Organization with the Secretary of State. The filing fee is $150. Illinois LLCs also have a Annual Report of $75 per year.
Use our LLC Cost Calculator to estimate your total first-year cost including registered agent and optional formation services.
# LLC Cost in Illinois (2026) — Filing Fees and Annual Costs ## How to Use This Calculator This calculator helps you estimate both the upfront and ongoing costs of forming and maintaining an LLC in Illinois. To get accurate results, you’ll need to provide a few key pieces of information. Start by entering your planned LLC formation date. This matters because Illinois has specific filing deadlines that depend on when you form your business. Next, indicate whether you’ll use a registered agent service or handle registered agent duties yourself (only possible if you have a physical Illinois address during business hours). You’ll also select any optional services you’re considering, such as expedited filing, certified copies of your formation documents, or an operating agreement template. Finally, indicate how many years forward you want to project your costs. The calculator will then show you both first-year expenses and ongoing annual costs for maintaining your Illinois LLC in good standing. The most valuable output is the year-by-year breakdown, which reveals that while formation has upfront costs, annual compliance is relatively affordable in Illinois compared to many other states. ## How We Calculate This Our calculations are based on the official fee schedules from the Illinois Secretary of State and standard market rates for common business services. **Formation costs** begin with the mandatory $150 filing fee for Articles of Organization. This is the base cost everyone pays. If you need expedited processing, Illinois offers same-day processing for an additional $100 or 24-hour processing for $75. We include these optional fees only when you select them. **Registered agent costs** vary by choice. If you serve as your own agent, there’s no cost, but you must maintain a physical Illinois address available during standard business hours. Professional registered agent services in Illinois typically charge between $100-$300 annually. Our calculator uses $125 as a conservative estimate for basic service. **The annual report fee** is where Illinois becomes notably straightforward. The state doesn’t charge an annual report filing fee at all—unusual among US states. However, you are required to file an annual report to maintain good standing. Many states charge $50-$800 annually, but Illinois keeps this at $0. **Optional services** we calculate include: – Certified copies of your formation documents: $25 for the certificate plus $0.50 per page – Certificate of Good Standing: $25 (useful for opening bank accounts) – Operating agreement templates: $0-$200 depending on complexity and source – Legal consultation: Variable, typically $500-$2,000 if hiring an attorney for formation We don’t inflate these numbers. Every figure comes from official state sources or represents the lower-to-middle range of actual market prices for services in Illinois. ## What the Results Mean When you see your calculated results, you’re looking at two distinct financial pictures: startup costs and recurring expenses. **First-year costs** typically range from $150 to $650 for most small LLC formations. The $150 represents the bare minimum—just filing your Articles of Organization with no additional services. Most LLC owners actually spend $275-$400 in year one when including a registered agent service and perhaps expedited filing. The year-by-year projection shows an important advantage of Illinois LLCs: **annual costs are just $100-$300** for most businesses. This covers your registered agent service if you use one. Since Illinois charges no annual report fee, your ongoing compliance costs are genuinely minimal compared to states like California ($800 annually) or Massachusetts ($500 annually). **What’s notably absent** from Illinois costs is any franchise tax or gross receipts tax at the state level. Your LLC pays Illinois income tax only on actual profits, at a flat rate. This keeps your operational costs predictable. If your calculated total seems higher than expected, you’ve likely selected optional services like certified copies, attorney consultation, or expedited processing. These are truly optional—you can legally form and operate an Illinois LLC with just the $150 filing fee plus your chosen registered agent arrangement. ## Tips and Common Mistakes **Don’t forget the registered agent requirement.** This is Illinois law, not optional. Every LLC must have a registered agent with a physical Illinois street address (not a P.O. box) available during business hours. The common mistake is thinking you can skip this—you can’t. Either budget for a service or ensure you can fulfill this role yourself. **Consider standard processing times.** Illinois typically processes LLC formations within 5-10 business days using standard filing. Expedited processing costs an extra $75-$100. Only pay for expedited service if you genuinely need your LLC formed by a specific deadline. Most businesses don’t need rush processing. **Budget for a separate EIN application with the IRS.** This is free but separate from state formation. You’ll need an Employer Identification Number (EIN) even if you have no employees—most banks require it to open business accounts. Apply directly through the IRS website at no cost; avoid services charging $50-$200 for this free process. **Don’t confuse business licenses with LLC formation.** The costs in this calculator cover forming your LLC entity with the state. Depending on your business type and location, you may need additional city or county business licenses. These are separate expenses. Chicago, for example, has its own business license requirements and fees. **File your annual report on time.** Even though Illinois doesn’t charge a fee, you must file annually during your anniversary month. Missing this filing can lead to administrative dissolution, which costs more to fix than simply filing on time. ## FAQ **Q: Can I really form an Illinois LLC for just $150?** Yes, absolutely. The mandatory state filing fee for Articles of Organization is $150, and this is technically all you need to pay the state to form your LLC. However, you’ll also need a registered agent. If you serve as your own registered agent at your Illinois business address, then $150 is your true total cost. Most businesses add $100-$125 for a registered agent service, making the realistic minimum closer to $250-$275 for the first year. **Q: Why does Illinois have no annual report fee when most states charge one?** Illinois chose to fund state business services through formation fees and other revenue sources rather than annual report fees. You still must file an annual report each year to maintain good standing—the state just doesn’t charge a fee for this filing. This makes Illinois one of the more affordable states for ongoing LLC maintenance. The trade-off is that the initial $150 filing fee is slightly higher than some states (like Kentucky at $40), but you save money over the long term. **Q: What happens if I don’t pay for a registered agent service?** You can legally serve as your own registered agent if you have a physical street address in Illinois where you’re available during standard business hours (typically 9 AM to 5 PM). This address becomes public record. Many business owners start by serving as their own agent but switch to a professional service later for privacy reasons or because they’re not consistently available at that address. If you fail to maintain a registered agent altogether, the state can administratively dissolve your LLC, which requires filing for reinstatement and paying additional fees.