LLC by State Guide › Compare › Wyoming vs Illinois
Wyoming vs Illinois LLC (2026)
Wyoming is cheaper to form, by $50. Wyoming is cheaper to keep, by $15 a year. Over five years Wyoming costs $110 less in state fees. Mainstay Filing, our best overall pick, files in either state for $199 a year.
- Official sources, checked October 20, 2026
Side by side
Mainstay Filing
Our rating: 4.9 out of 5
$199 / year, same at renewal
- LLC formation, prepared and filed
- Registered agent, all year
- EIN application (with an SSN or ITIN)
- Annual report filed every year it is due where the state requires one
- Compliance reminders and stored documents
Price from the Mainstay Filing pricing and FAQ pages, checked October 21, 2026. State fees are passed through at cost and shown before you pay.
Questions
Is Wyoming or Illinois cheaper for an LLC?
Wyoming is cheaper to form, by $50. Wyoming is cheaper to keep, by $15 a year. Over five years Wyoming costs $110 less in state fees.
Which has the lower filing fee, Wyoming or Illinois?
Wyoming: $100. Illinois: $150.
Do I need a registered agent in Wyoming and Illinois?
Wyoming: required. Illinois: required.
Sources
- W.S. § 17-29-201 (Wyoming Limited Liability Company Act — formation; articles of organization); fee W.S. § 17-29-210(a)(i) (multira state research spine): sos.wyo.gov/forms/business/llc/llc-articlesorganization.pdf, checked August 12, 2026
- Wyoming formation fee: Filing fee, official source read 2026-10-01: sos.wyo.gov/business/docs/businessfees.pdf, checked October 1, 2026
- Wyoming formation fee: Filing fee, official source read 2026-10-01: wyobiz.wyo.gov/Business/RegistrationInstr.aspx, checked October 1, 2026
- Wyoming Secretary of State, Business Division (multira state research spine): wyobiz.wyo.gov/Business/AnnualReport.aspx, checked August 12, 2026
- Wyoming Secretary of State, Business Division (multira state research spine): wyobiz.wyo.gov/Business/ARWizard.aspx, checked August 12, 2026
- Wyoming report due date (multira state research spine, due dates verified 714/714): wyoleg.gov/statutes/compress/title17.docx, checked August 12, 2026
- Wyoming registered agent statute (W.S. § 17-28-101): www.wyoleg.gov/statutes/compress/title17.pdf, checked October 20, 2026
- 805 ILCS 180/5-5 (articles of organization); 805 ILCS 180/5-1 (filing with Secretary of State) (multira state research spine): www.ilga.gov/legislation/ilcs/fulltext.asp?DocName=080501800K5-5, checked August 12, 2026
- Illinois formation fee: Filing fee, official source read 2026-10-01: www.ilga.gov/legislation/ilcs/fulltext.asp?DocName=080501800K50-10, checked October 1, 2026
- Illinois formation fee: Filing fee, official source read 2026-10-01: www.ilsos.gov/publications/business-services/llc.html, checked October 1, 2026
- Illinois Secretary of State, Department of Business Services, Limited Liability Division (multira state research spine): www.ilsos.gov/departments/business-services/annual-reports/llc-instructions.html, checked August 12, 2026
- Illinois Secretary of State, Department of Business Services, Limited Liability Division (multira state research spine): www.ilsos.gov/departments/business-services/annual-reports.html, checked August 12, 2026
- Illinois registered agent statute (805 ILCS 180/1-35): www.ilga.gov/legislation/ilcs/fulltext.asp?DocName=080501800K1-35, checked October 20, 2026