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State Biz Facts

Charts of what each state charges an LLC.

LLC cost guide · Illinois

Illinois LLC Fees (2026): The State Bill and the 3 Best LLC Services

On our 2026 map for an LLC filing in Illinois, the order of preference is Mainstay Filing ($199), IL Registered Agent.org ($199) and Illinois Registered Agent.co ($199). Fee to form: $150. Limited Liability Company Annual Report, every year: $75. Three-year placement among the 50 states: 33rd.
Charted by the State Biz Facts team

Illinois state charges, charted

33rd

of 50 when three years of state fees are added up

The closer to 1, the smaller the bill (same total as others). Chart of all fifty states

  • Charge to form

    $150

    ilsos.gov, as seen October 2026

  • Limited Liability Company Annual Report

    $75 / yr

    Timing as the state words it: before the first day of the entity's anniversary month. ilsos.gov, as seen October 2026

  • Charge when the report is late

    $100

    ilsos.gov, as seen October 2026

  • State total, years 1 to 3

    $300

    Filing fee, then reports for years 2 and 3

Where we would file in Illinois

How the order was drawn: charges over three years, coverage, renewal, Illinois fit, fee labeling (method).

Best route

1. Mainstay Filing: best for forming and keeping the LLC on one bill

$199 per year, state fee separate ($349 at checkout)

Why Mainstay Filing is placed first: for $199 a year you get the Illinois filing plus the repeat jobs: registered agent duty and the annual report.

Set against IL Registered Agent.org, the three-year provider bill is $200 larger, with more filings done for you.

Handling the Limited Liability Company Annual Report is part of the service, with the $75 state fee added at cost.

Price covers

  • Formation papers drawn up and filed for you
  • Twelve months of registered agent duty
  • Your annual report drawn up and submitted on time
  • Application for your EIN handled as well
  • You pay the state charge at face value

Upside

  • Renews at $199
  • One yearly price of $199, the annual report included
  • The EIN application needs no extra payment

Downside

  • Renewal is $100 higher than IL Registered Agent.org's
Visit Mainstay FilingPartner link. We may earn money if you buy.

Rooted in Illinois

2. IL Registered Agent.org: best for small formation fees

Year one $199, then $99

Placed second, IL Registered Agent.org offers $199 to start the LLC, first-year agent included, then $99 each year.

Its price skips the Limited Liability Company Annual Report.

Price covers

  • Formation handled from start to filing
  • First year of agent service

Upside

  • Then $99 each year
  • No agent charge during year one
  • $199 over the state fee

Downside

  • The owner keeps the Limited Liability Company Annual Report
  • EIN application not in the price ($99)
Visit IL Registered Agent.orgPartner link. We may earn money if you buy.

Rooted in Illinois

3. Illinois Registered Agent.co: best for forming close to home

Year one $199, then $99

Placed third, Illinois Registered Agent.co offers $199 to start the LLC, first-year agent included, then $99 each year.

Its price skips the Limited Liability Company Annual Report.

Its prices are identical to IL Registered Agent.org's.

Price covers

  • Formation handled from start to filing
  • First year of agent service

Upside

  • No agent charge during year one
  • Then $99 each year
  • $199 over the state fee

Downside

  • The owner keeps the Limited Liability Company Annual Report
  • EIN application not in the price ($99)
Visit Illinois Registered Agent.coPartner link. We may earn money if you buy.

The 3 providers compared

OrderProviderYear 1Year 2 and onProvider charges, 3 years
1Mainstay Filing$199$199/yr$597Visit Mainstay FilingPartner link. We may earn money if you buy.
2IL Registered Agent.org$199$99/yr$397Visit IL Registered Agent.orgPartner link. We may earn money if you buy.
3Illinois Registered Agent.co$199$99/yr$397Visit Illinois Registered Agent.coPartner link. We may earn money if you buy.
Each company's own price page was read on November 12, 2026. The state's $150 is not counted in this table.

Illinois LLC budget calculator

Choose a span of years and a provider. State charges follow the official schedule: $150 to form, the Limited Liability Company Annual Report from year two.
With Mainstay Filing, 3 years add up to $897 ($300 state, $597 provider).

Illinois and the states beside it on the chart

SpotStateThree-year state fees
31stSouth Dakota$260
32ndConnecticut$280
33rdIllinois$300
33rdNew Hampshire$300
33rdOregon$300
To see other states, open LLC costs by state.

Illinois's charge for forming an LLC

$150 is due with the Articles of Organization (Form LLC-5.5), and it goes to the Illinois Secretary of State under 805 ILCS 180/5-5. Each provider on this page bills that fee at cost.

The Limited Liability Company Annual Report (2026)

Budget $75 for the Limited Liability Company Annual Report every year, which arrives before the first day of the entity's anniversary month. Missing the date costs $100.

Why Mainstay Filing leads

Mainstay Filing wins on requirements handled, worth 24% of the total; IL Registered Agent.org follows.

IL Registered Agent.org costs less, though the Limited Liability Company Annual Report would be yours to handle.

Common questions

What is the state charge for forming an LLC in Illinois?

The state charges $150. Using a provider adds $199.

What does the Illinois Limited Liability Company Annual Report cost the LLC?

$75, every year; it is filed before the first day of the entity's anniversary month. Filing late costs $100.

How does Illinois rank among states on LLC fees?

Illinois is 33rd of 50 on three-year state fees, sharing the spot with other states, at $300; spot 1 has the smallest bill.

Is a registered agent compulsory for Illinois LLCs?

Every LLC must name a registered agent with an in-state street address.

Which LLC services does this chart rank?

Mainstay Filing ($199), IL Registered Agent.org ($199) and Illinois Registered Agent.co ($199), in ranked order.

Who should file my LLC?

Mainstay Filing, because a $199 annual price absorbs the formation, the registered agent and the annual report. Next on the chart: IL Registered Agent.org and Illinois Registered Agent.co.

Nearby pages

Where each number comes from

  1. Seen August 2026 regarding Illinois Secretary of State, Department of Business Services: ilsos.gov
  2. Seen August 2026 regarding Illinois Secretary of State, Department of Business Services: ilsos.gov
  3. Seen August 2026 regarding 805 ILCS 180/5-5: ilga.gov
  4. Seen October 2026 regarding Illinois formation fee: Filing fee, official source: ilga.gov
  5. Seen October 2026 regarding Illinois formation fee: Filing fee, official source: ilsos.gov
  6. Seen October 2026 regarding Illinois registered agent statute: ilga.gov
  7. Seen August 2026 regarding SDCL 47-34A-203: sdlegislature.gov
  8. Seen October 2026 regarding South Dakota formation fee: Filing fee, official source: sdsos.gov
  9. Seen October 2026 regarding South Dakota formation fee: Filing fee, official source: sdlegislature.gov
  10. Seen August 2026 regarding South Dakota Secretary of State, Business Services /: sdsos.gov
  11. Seen August 2026 regarding South Dakota Secretary of State, Business Services /: sosenterprise.sd.gov
  12. Seen October 2026 regarding South Dakota yearly filing: Annual report: fee and: sdlegislature.gov
  13. Seen August 2026 regarding Conn: cga.ct.gov
  14. Seen October 2026 regarding Connecticut formation fee: Filing fee, official source: business.ct.gov
  15. Seen October 2026 regarding Connecticut formation fee: Filing fee, official source: business.ct.gov
  16. Seen August 2026 regarding Connecticut Secretary of the State, Business Services Division: business.ct.gov
  17. Seen August 2026 regarding Connecticut Secretary of the State, Business Services Division: business.ct.gov
  18. Seen October 2026 regarding Connecticut yearly filing: Annual report: fee, official source: business.ct.gov
  19. Seen August 2026 regarding N.H: gc.nh.gov
  20. Seen October 2026 regarding New Hampshire formation fee: Filing fee, official source: sos.nh.gov
  21. Seen October 2026 regarding New Hampshire formation fee: Filing fee, official source: gc.nh.gov
  22. Seen August 2026 regarding New Hampshire Secretary of State, Corporations Division: sos.nh.gov
  23. Seen August 2026 regarding ORS 63.044 and ORS 63.047: oregonlegislature.gov
  24. Seen October 2026 regarding Oregon formation fee: Filing fee, official source: sos.oregon.gov
  25. Seen August 2026 regarding Oregon Secretary of State, Corporation Division: sos.oregon.gov
  26. Seen August 2026 regarding Oregon Secretary of State, Corporation Division: sos.oregon.gov
  27. Mainstay Filing, Illinois service page; company page seen November 12, 2026
  28. IL Registered Agent.org, pricing page; company page seen November 12, 2026
  29. Illinois Registered Agent.co, pricing page; company page seen November 12, 2026