Out-of-State LLC › Illinois
An out-of-state LLC in Illinois
If your out-of-state LLC does business in Illinois, it registers with the Illinois Secretary of State, Department of Business Services, Limited Liability Division for a fee of $150.
Do you need to register?
That depends on what the LLC does in Illinois, and Illinois’s statute is the authority. Start with the Illinois filing page. If the answer is not clear, a Illinois attorney can say.
If you register: what to bring
- The application: Form LLC-45.5, Application for Admission to Transact Business
- Filed with: Illinois Secretary of State, Department of Business Services, Limited Liability Division
- Fee: $150
- Paper from your formation state: Certificate of Good Standing or Existence, no older than 60 days
- A local agent: A registered agent in Illinois
Best 3 Foreign Registration Services in Illinois (2026)
Handing the Illinois registration to a service? In order of our preference.
- 1. Mainstay Filing $199 + the $150 state fee = $349; registered agent free for the first year, then $149 a year.
- 2. IL Registered Agent.org $199 + the $150 state fee = $349; registered agent included for the first year, then $99 a year.
- 3. Illinois Registered Agent.co $199 + the $150 state fee = $349; registered agent included for the first year, then $99 a year.
Service prices from each provider’s Illinois page, read October 29, 2026. The state fee is the official figure below and is paid to the Illinois Secretary of State, Department of Business Services, Limited Liability Division.
Where Illinois sits
26th cheapest of 50 at $150, in the band $150 to $249. It is one of 36 states that want paper from the formation state.
Illinois questions
Does an out-of-state LLC have to register in Illinois?
Illinois registers foreign LLCs through the Illinois Secretary of State, Department of Business Services, Limited Liability Division. Whether your activity requires it is set by Illinois’s statute; we do not offer one test for every state. If it does, the fee is $150.
What does an out-of-state LLC file in Illinois?
Form LLC-45.5, Application for Admission to Transact Business, with Certificate of Good Standing or Existence, no older than 60 days.
What does it keep up afterward?
Annual report (Illinois Secretary of State), $75 (due: within the 60 days before your anniversary month), and a registered agent in the state.
Sources
- Illinois Secretary of State, LLC forms: www.ilsos.gov/publications/business-services/llc.html, updated October 29, 2026
- Form LLC-45.5, Application for Admission: www.ilsos.gov/content/dam/publications/pdf_publications/llc455.pdf, updated October 29, 2026
- Form LLC-45.40, Application for Withdrawal: www.ilsos.gov/content/dam/publications/pdf_publications/llc4540.pdf, updated October 29, 2026
- 805 ILCS 180/45-45, consequences of transacting business without admission: www.ilga.gov/legislation/ilcs/fulltext.asp?DocName=080501800K45-45, updated October 29, 2026
- 805 ILCS 180/45-47, activities that are not transacting business: www.ilga.gov/legislation/ilcs/fulltext.asp?DocName=080501800K45-47, updated October 29, 2026