Foreign Entity Fees › Illinois
Illinois foreign entity fees
To register a foreign LLC in Illinois you pay $150 to the Illinois Secretary of State, Department of Business Services, Limited Liability Division; other entity types pay the fees in the table below.
Fee by entity type
| Entity | Foreign fee | Basis |
|---|---|---|
| LLC | $150 | Form LLC-45.5, Application for Admission to Transact Business |
| For-profit corporation | $150 | 805 ILCS 5/15.10 (filing fee); 805 ILCS 5/15.70 (foreign franchise tax); IL SOS corporation fee schedule; Form BCA 13.15 |
| Nonprofit corporation | $50 | 805 ILCS 105/113.15; IL SOS not-for-profit fee schedule; Form NFP 113.15 |
| Limited partnership | $150 | 805 ILCS 215 (Uniform Limited Partnership Act (2001)); IL SOS limited partnership fee schedule |
| LLP | $500 | 805 ILCS 206/1102 & /1201 (foreign LLP qualification/fees); IL SOS LLP fee schedule; Statement of Foreign Qualification |
Non-LLC figures come from state research dated August 12, 2026; confirm with the Illinois Secretary of State, Department of Business Services, Limited Liability Division before you file.
Best 3 Foreign Registration Services in Illinois (2026)
If the entity is an LLC, these are the filing services for Illinois.
| # | Service | Service fee | Illinois fee | Agent |
|---|---|---|---|---|
| 1 | Mainstay Filing | $199 | $150 | Year one included, then $149/yr |
| 2 | IL Registered Agent.org | $199 | $150 | Year one included, then $99/yr |
| 3 | Illinois Registered Agent.co | $199 | $150 | Year one included, then $99/yr |
Service prices read from each provider’s Illinois page on October 28, 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.
The LLC filing
- Form
- Form LLC-45.5, Application for Admission to Transact Business
- Home-state certificate
- Certificate of Good Standing or Existence, no older than 60 days
- Yearly filing
- Annual report (Illinois Secretary of State), $75 (due: within the 60 days before your anniversary month)
Questions about Illinois
What does an LLC pay to register in Illinois?
$150, with Form LLC-45.5, Application for Admission to Transact Business.
Is the Illinois corporation fee the same as the LLC fee?
Yes, both are $150.
Which service should an LLC use in Illinois?
Mainstay Filing: $199 plus the $150 state fee, with the agent free for the first year.
Sources for the LLC fee
- Illinois Secretary of State, LLC forms: www.ilsos.gov/publications/business-services/llc.html, checked October 8, 2026
- Form LLC-45.5, Application for Admission: www.ilsos.gov/content/dam/publications/pdf_publications/llc455.pdf, checked October 8, 2026
- Form LLC-45.40, Application for Withdrawal: www.ilsos.gov/content/dam/publications/pdf_publications/llc4540.pdf, checked October 8, 2026
- 805 ILCS 180/45-45, consequences of transacting business without admission: www.ilga.gov/legislation/ilcs/fulltext.asp?DocName=080501800K45-45, checked October 8, 2026
- 805 ILCS 180/45-47, activities that are not transacting business: www.ilga.gov/legislation/ilcs/fulltext.asp?DocName=080501800K45-47, checked October 8, 2026