Corp USA Illinois · Local formation
Illinois LLC, Series LLC & Corporation in Rockford
Start Illinois LLC ($299), Series LLC ($599 umbrella + $50 per series), or Corporation ($324) in Rockford. Review municipal business permits and zoning. Annual reports cost $174 and are due before the first day of the anniversary month.
Corp USA is not a law firm and does not provide legal advice.
Corp USA is not a law firm and does not provide legal advice.
Corp USA is not a law firm and does not provide legal advice.
Corp USA is not a law firm and does not provide legal advice.
Business in Rockford
Commercial corridors
Rockford commercial areas and Winnebago County business hubs.
Local business sectors
Review municipal business permits and zoning.
Entity strategy
Standard LLC for flexible ownership; Series LLC with separate records for segregated operations; corporation for stock issuance; licensed professionals must confirm IDFPR eligibility.
Licensing & tax review
MyTax Illinois Form REG-1, 4.95% individual tax, partnership/S-corp 1.5% PPRT and C-corp 9.5% combined tax require separate review. Confirm municipal licenses and your actual county boundary.
Trade Name / DBA — Winnebago
Winnebago County Clerk
404 Elm St., Room 104, Rockford, IL 61101
LLC formation requires no newspaper publication. Statewide LLC/corporation assumed names use Form LLC-1.20 / BCA 4.15 with zero newspaper publication. Sole proprietors and general partnerships register with the County Clerk under 805 ILCS 405/1 and publish once each week for three consecutive weeks; confirm filing, publication and proof deadlines with the clerk.
Official Trade Name instructionsBusiness licensing
City of Rockford Finance Dept · 425 E. State St., Rockford, IL 61104
Official local business informationConfirm city boundaries, zoning, home-business permits, licenses and taxes before operating.
Formation questions
LLC $150 state + $149 service = $299; Series LLC $400 + $199 = $599 umbrella; Corporation $175 + $149 = $324.
Official sourceNo for Illinois LLC formation or statewide LLC/corp assumed names (Form LLC-1.20 / BCA 4.15). County Clerk DBAs for sole proprietors/general partnerships require three-week publication under 805 ILCS 405/1.
Official sourceBefore the first day of your anniversary month. Form LLC-50.1 / BCA 14.05: $75 state + $99 service = $174.
Official source