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Filing MapperRoutes through every state's LLC paperwork, priced leg by leg.

Foreign LLC guide · Illinois

Illinois Foreign LLC Route (2026): Entry Fees and the 3 Best Registration Services

For a foreign LLC registration in Illinois, our 2026 routing puts Mainstay Filing ($199), IL Registered Agent.org ($199) and Illinois Registered Agent.co ($199) in that order. Illinois asks $150 for entry plus $75 at each later report, a three-year toll of 28th of 50.

Surveyed by the Filing Mapper team

Illinois route markers

28th

along the 50-state route, foreign LLC tolls

Lowest toll, lowest number, side by side with other states. See the full map

Entry fee for outside LLCs
$150
ilsos.gov, surveyed October 2026
Checkpoint report
$75
Annual report
Home-state clearance
60 days
Oldest clearance accepted
State toll, three years
$300
Only state tolls, miles one to three

Illinois route picks

The criteria and weights behind the order are in the method.

1. Mainstay Filing: best for a business crossing state lines

Our lead pick$199 for lap one, $149 for each lap after

Begin at Mainstay Filing, since registering costs $199 plus state tolls, and the registered agent costs nothing in year one.

An owner pays $100 more than at IL Registered Agent.org across three years and has fewer checkpoints to handle.

The free lap ends, and an agent fare of $149 a year begins wherever the company registers.

The fare covers

  • The registration drafted and filed by Mainstay
  • No charge for registered agent duty while year one lasts
  • One fare, any state

On the plus side

  • The first agent lap is covered
  • The same fare anywhere
  • $199 above Illinois's own fee

On the minus side

  • Agent renewal of $149, $50 above IL Registered Agent.org
Visit Mainstay FilingPartner link. We may earn money if you buy.

2. IL Registered Agent.org: best for adding only Illinois

Local pick$199 for lap one, $99 for each lap after

Farther along, IL Registered Agent.org, where the Illinois registration for $199 with a free agent lap, then $99 each lap.

The fare covers

  • Registration handled from start to filing
  • A year of agent service

On the plus side

  • $199 and the state's toll
  • The agent renews at $99
  • A free first agent lap

On the minus side

  • A one-state route
Visit IL Registered Agent.orgPartner link. We may earn money if you buy.

3. Illinois Registered Agent.co: best for a nearby filer

Local pick$199 for lap one, $99 for each lap after

Farther along, Illinois Registered Agent.co, where the Illinois registration for $199 with a free agent lap, then $99 each lap.

IL Registered Agent.org charges the same fares.

The fare covers

  • Registration handled from start to filing
  • A year of agent service

On the plus side

  • A free first agent lap
  • The agent renews at $99
  • $199 and the state's toll

On the minus side

  • A one-state route
Visit Illinois Registered Agent.coPartner link. We may earn money if you buy.

Fares in a row

StopProviderLeg oneLater legsProvider cost, three years
1Mainstay Filing$199$149/yr$497Visit 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.

Fares as listed on November 12, 2026. Add the $150 entry toll to every row.

Price your route

The entry fee is $150, followed by the $75 report from year two, and each provider's fares are added.

Route cost for 3 years with Mainstay Filing: $797, of which $300 goes to the state and $497 to the provider.

Illinois and the stops on either side of it

MileStateThree-year foreign LLC fees
26thWyoming$270
27thConnecticut$280
28thIllinois$300
28thNew Hampshire$300
30thWashington$320

The full route map measures every state the same way.

Illinois foreign registration: fee, form, office

The gate is the Application for Admission to Transact Business (Form LLC-45.5), delivered to the Illinois Secretary of State, Department of Business Services, Limited Liability Division along with $150. The packet is incomplete without certificate of Good Standing or Existence, at most 60 days.

At each later stop it files the annual report ($75), within the 60 days before your anniversary month.

Before sending the filing

  • Certificate of Good Standing or Existence, at most 60 days.
  • Home-state record: legal name and formation date.
  • A registered agent inside the state, included with each pick.
  • Cash for the $150 registration fee.

What skipping registration costs in Illinois

A suit filed before registration is held up until the entry filing is made (805 ILCS 180/45-45(a)). Agreements it has already signed keep their force (805 ILCS 180/45-45(b)). Fees owed for the years without registration come due too.

What put the first stop first

For Illinois, the criterion that decided the lead was steps the service takes over, at 27%.

The company already has a home state; one provider for it and Illinois scored highest.

Illinois FAQ

What does Illinois toll a foreign LLC for entry?

$150 at the state office. Providers here charge $199 extra.

Which form gets a foreign LLC into Illinois?

Entry is on the Application for Admission to Transact Business (Form LLC-45.5), which goes to the Illinois Secretary of State, Department of Business Services, Limited Liability Division.

Does the gate ask for clearance from the home state?

It does: certificate of Good Standing or Existence, dated within 60 days of filing.

Is there a yearly checkpoint for a foreign LLC?

There is: the annual report, which costs $75.

What happens when the LLC does business there without registering?

A suit filed before registration is held up until the entry filing is made (805 ILCS 180/45-45(a)). Agreements it has already signed keep their force (805 ILCS 180/45-45(b)). Fees owed for the years without registration come due too.

Does a foreign LLC need to carry a registered agent for Illinois?

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

Which provider should take my foreign LLC across?

Mainstay Filing is stop one, because $199 above the state toll, registered agent duty free in year one, then $149 a year; after that come IL Registered Agent.org and Illinois Registered Agent.co.

Connecting routes

Survey markers for this route

Survey marker
  1. Marker for Illinois Secretary of State, Department of Business Services: the page at ilsos.gov, logged August 2026.
  2. Marker for Illinois Secretary of State, Department of Business Services: the page at ilsos.gov, logged August 2026.
  3. Marker for 805 ILCS 180/5-5: the page at ilga.gov, logged August 2026.
  4. Marker for Illinois formation fee: Filing fee, official source: the page at ilga.gov, logged October 2026.
  5. Marker for Illinois formation fee: Filing fee, official source: the page at ilsos.gov, logged October 2026.
  6. Marker for Illinois registered agent statute: the page at ilga.gov, logged October 2026.
  7. Marker for Form LLC-45.5, Application for Admission: the page at ilsos.gov, logged October 2026.
  8. Marker for Form LLC-45.40, Application for Withdrawal: the page at ilsos.gov, logged October 2026.
  9. Marker for 805 ILCS 180/45-45, consequences of transacting business without: the page at ilga.gov, logged October 2026.
  10. Marker for 805 ILCS 180/45-47, activities that are not transacting: the page at ilga.gov, logged October 2026.
  11. Marker for 805 ILCS 180/45-45: the page at ilga.gov, logged November 2026.
  12. Marker for Wyoming Secretary of State, foreign LLC application for: the page at sos.wyo.gov, logged October 2026.
  13. Marker for Wyoming Secretary of State, fee schedule: the page at sos.wyo.gov, logged October 2026.
  14. Marker for Wyoming Secretary of State, business FAQ: the page at sos.wyo.gov, logged October 2026.
  15. Marker for Certificate of Withdrawal, foreign LLC: the page at sos.wyo.gov, logged October 2026.
  16. Marker for Wyoming Statutes, Title 17: the page at wyoleg.gov, logged October 2026.
  17. Marker for Foreign LLC forms and fees, Business.CT.gov: the page at business.ct.gov, logged October 2026.
  18. Marker for Foreign Registration Statement form: the page at business.ct.gov, logged October 2026.
  19. Marker for Connecticut General Statutes, chapter 613a: the page at cga.ct.gov, logged October 2026.
  20. Marker for Foreign investigations penalties: the page at business.ct.gov, logged October 2026.
  21. Marker for Who can be an agent: the page at business.ct.gov, logged October 2026.
  22. Marker for Foreign annual report forms and fees: the page at business.ct.gov, logged October 2026.
  23. Marker for New Hampshire Secretary of State, LLC forms and: the page at sos.nh.gov, logged October 2026.
  24. Marker for Form FLLC-1: the page at sos.nh.gov, logged October 2026.
  25. Marker for RSA 304-C:174, activities that do not count: the page at gc.nh.gov, logged October 2026.
  26. Marker for RSA 304-C:175, registration: the page at gc.nh.gov, logged October 2026.
  27. Marker for RSA 304-C:191, fees: the page at gc.nh.gov, logged October 2026.
  28. Marker for Washington SOS, register a foreign LLC online: the page at sos.wa.gov, logged October 2026.
  29. Marker for Washington SOS, fee schedules and priority services: the page at sos.wa.gov, logged October 2026.
  30. Marker for RCW 23.95.520, activities that are not doing business: the page at app.leg.wa.gov, logged October 2026.
  31. Marker for RCW 23.95.505, consequences of not registering: the page at app.leg.wa.gov, logged October 2026.
  32. Marker for RCW 23.95.510, foreign registration statement: the page at app.leg.wa.gov, logged October 2026.
  33. Marker for Washington SOS, registered agents: the page at sos.wa.gov, logged October 2026.
  34. Mainstay Filing's Illinois service page, as surveyed November 12, 2026
  35. IL Registered Agent.org's pricing page, as surveyed November 12, 2026
  36. Illinois Registered Agent.co's pricing page, as surveyed November 12, 2026