How much does an LLC cost in Illinois?
Forming an LLC in Illinois costs $150 in state fees.
To keep it: Annual Report, $75 every year.
Over 3 years that is $300 in state fees, before any formation service.
Below: the full cost to form (file) an LLC in Illinois, what it costs to keep it each year, and what each formation service adds.
Illinois state fees
From the Illinois Secretary of State, Department of Business Services. Every amount links to the official page it comes from; "?" means we have not verified it yet.
| Fee | Amount | When | Checked |
|---|---|---|---|
| Articles of Organization (LLC-5.5) | $150 | Once, to form the LLC | Oct 26, 2026 |
| Annual Report Illinois Secretary of State | $75 | every year, from the year after formation | Oct 26, 2026 |
| Name reservation (optional) | $25 | Once | Oct 26, 2026 |
| 3 years of state fees | $300 | Filing everything yourself, without a formation service. | |
What you pay to the state, year by year
Year 1: $150 · Year 2: $75 · Year 3: $75
Faster processing from the state: 24-hour service (total, including the filing fee) $250 (total).
What it costs with a formation service (3 years)
State fees for Illinois included. For each service its cheapest package over 3 years, plus the registered agent every LLC needs (unless you are your own). Ranked by cost only; whether a company pays us does not change the order.
| Service | Registered agent | Year 1 | 3 years | |
|---|---|---|---|---|
| 1st year free, then $125/year | $189 | $589 | Visit site | |
| 1st year free, then $149/year (standalone price) | $150 | $598 | Visit site | |
| Not included: $119/year | $348 | $736 | Visit site | |
| Not included: $99 1st year, then $199/year | $249 | $797 | Visit site | |
| Not included: $199/year | $349 | $897 | Visit site | |
| Not included: $249/year | $399 | $1,047 | Visit site | |
| Included | $447 | $1,191 | Visit site | |
| Not included: $149/quarter | $746 | $2,088 | Visit site | |
| 1st year free, then price not published | Price not published | Price not published Not on Inc Authority's site: registered agent price after year 1. | Visit site |
Not available in Illinois: Firstbase (forms LLCs in Delaware and Wyoming only, source).
Calculate it for your situation →
Are you your own registered agent (you need a street address in Illinois and must be there in office hours)? Then Bizee costs the same as filing yourself: $300 over 3 years.
Registered agent in Illinois
Every LLC needs a registered agent with a physical address in the state where it is registered. You can act as your own if you meet the state's rules, or pay a service. Registered agent prices compared →
FAQ
How much does it cost to form (file) an LLC in Illinois?
$150 in state filing fees for the Articles of Organization (LLC-5.5). A formation service adds its own price on top.
What does an LLC in Illinois cost per year?
Annual Report: $75, every year.
What does an LLC in Illinois cost over 3 years?
$300 in state fees if you file everything yourself and act as your own registered agent. With the cheapest formation service in our comparison it is $589 including a registered agent.
Which LLC service is cheapest in Illinois?
Over 3 years, including state fees and a registered agent: Northwest Registered Agent (Northwest LLC) at $589. The ranking is based only on these costs.
Facts and costs only, not legal or tax advice. Fees change: always confirm on the Illinois Secretary of State, Department of Business Services site before you file.