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Statewise Business The state fee almanac for LLCs, sourced line by line.

LLC cost guide · Illinois

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

For forming an LLC in Illinois this year (2026), the order is IL Registered Agent.org ($199), Illinois Registered Agent.co ($199) and Mainstay Filing ($199). Illinois collects $150 when the LLC is formed and $75 for the Limited Liability Company Annual Report every year, placing it 33rd of 50 over three years.

Entry by the Statewise Business almanac desk ·

Illinois, as the state prices it

33rdof 50 states on three years of state feesPosition 1 is the least expensive state (shared rank). The complete table
Filing fee charged by the state
$150ilsos.gov, read October 2026
Limited Liability Company Annual Report
$75 / yrFalls due: before the first day of the entity's anniversary month. ilsos.gov, read October 2026
Penalty for a late report
$100ilsos.gov, read October 2026
State fees over three years
$300Years one to three, state fees only

Illinois shortlist

Why this order: service fees across three years first, then coverage, renewal, Illinois fit and fee clarity (methodology).

1. IL Registered Agent.org: best for a lean Illinois LLC

Where we would beginFormation $199, renewal $99/yr

We enter IL Registered Agent.org first: $199 to form in Illinois with agent service covered for year one, then $99 a year.

The decision here is cost: over three years it charges less than Mainstay Filing.

The Limited Liability Company Annual Report remains your task, every year.

In the price

  • Formation filing prepared for you
  • First year of agent service

Strengths

  • $99 yearly from year two
  • $199 and the state fee
  • Agent covered in year one

Weak points

  • Leaves the Limited Liability Company Annual Report with the owner
  • EIN help costs $99
Visit IL Registered Agent.orgPartner link. We may earn money if you buy.

2. Illinois Registered Agent.co: best for Illinois-only LLCs

In-state optionFormation $199, renewal $99/yr

Entry 2 is Illinois Registered Agent.co: $199 to form in Illinois with agent service covered for year one, then $99 a year.

The Limited Liability Company Annual Report remains your task, every year.

The prices are the same as IL Registered Agent.org's.

In the price

  • Formation filing prepared for you
  • First year of agent service

Strengths

  • Agent covered in year one
  • $99 yearly from year two
  • $199 and the state fee

Weak points

  • Leaves the Limited Liability Company Annual Report with the owner
  • EIN help costs $99
Visit Illinois Registered Agent.coPartner link. We may earn money if you buy.

3. Mainstay Filing: best for a annual report you never have to remember

Fifty-state coverage$199 a year, state fee added ($349 at checkout)

Next in the almanac, Mainstay Filing: a single yearly $199 pays for formation, a registered agent and the annual report, and it renews at $199.

A $200 difference over three years against IL Registered Agent.org keeps it out of first place.

The price includes filing the Limited Liability Company Annual Report each year, and the state's $75 fee passes through at cost.

In the price

  • The formation filing, done for you
  • Registered agent service for the year
  • The annual report, prepared and submitted
  • EIN application included
  • Official fee, no markup

Strengths

  • No renewal jump ($199)
  • $199/yr, everything in
  • Takes care of your EIN application

Weak points

  • $100 more per year from year two
Visit Mainstay FilingPartner link. We may earn money if you buy.

The 3 picks compared

#EntryYear-one priceYears two onService fees over three years
1IL Registered Agent.org$199$99/yr$397Visit IL Registered Agent.orgPartner link. We may earn money if you buy.
2Illinois Registered Agent.co$199$99/yr$397Visit Illinois Registered Agent.coPartner link. We may earn money if you buy.
3Mainstay Filing$199$199/yr$597Visit Mainstay FilingPartner link. We may earn money if you buy.
Prices as the companies publish them, taken November 12, 2026. The state's $150 fee is not counted above.

Work out the total

Choose years and a service. The state side uses the official schedule: $150 at formation, then the Limited Liability Company Annual Report from year two.
$697 is the 3 years total with IL Registered Agent.org, split $300 state and $397 service.

Illinois among its neighbors in the rank

PositionStateThree-year state fees
31stSouth Dakota$260
32ndConnecticut$280
33rdIllinois$300
33rdNew Hampshire$300
33rdOregon$300
All fifty rows: LLC costs by state.

Illinois LLC filing fee and form (official source)

Formation means filing the Articles of Organization (Form LLC-5.5) with the Illinois Secretary of State and paying $150; see 805 ILCS 180/5-5. It is the same figure whichever service files.

Keeping the LLC in good standing: the Limited Liability Company Annual Report

Budget $75 for the Limited Liability Company Annual Report every year, due before the first day of the entity's anniversary month. Filing late adds $100.

Why IL Registered Agent.org is listed first

What set IL Registered Agent.org above Illinois Registered Agent.co: added cost over three years, at 32% of the score.

IL Registered Agent.org comes to $397 over three years, which is $200 under Mainstay Filing.

Questions on Illinois

What will it cost to form an LLC in Illinois?

State fees at filing: $150. A filing service adds $199.

What does the Illinois Limited Liability Company Annual Report cost?

The state charges $75 every year and expects the filing before the first day of the entity's anniversary month. Sending it late costs $100 more.

How does Illinois compare on LLC state fees?

Position 33rd of 50 on three-year state fees, tied with other states, at $300, counting up from the least expensive state.

Is a registered agent mandatory in Illinois?

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

Which LLC services does this entry list?

IL Registered Agent.org ($199), Illinois Registered Agent.co ($199) and Mainstay Filing ($199), from the first entry to the last.

Which LLC service should I hire?

We would file with IL Registered Agent.org: formation at $199 beyond the state fee and the agent at $99 from year two. Next come Illinois Registered Agent.co and Mainstay Filing.

Other entries

Citations for this entry

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