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Illinois LLC or an LLC from Wyoming, Delaware, Nevada?

Living in Illinois and forming elsewhere means registering the LLC back in Illinois as a foreign LLC, which costs $150 on top of the other state’s fees; forming in Illinois costs $150.

The routes side by side

RouteFormation feeIllinois foreign feeFees to startYearly filings, 2 years
Form in Illinois$150Not needed$150$150
Form in Wyoming$100$150$250$270
Form in Delaware$110$150$260$950
Form in Nevada$425$150$575$850

Only state fees: formation, the foreign fee and two years of yearly filings. State income, franchise and gross-receipts taxes are separate, are not in these totals and are the same or similar on both routes.

Head-to-head pages

Best 3 Foreign Registration Services in Illinois (2026)

If you go the foreign route, here is who files the Illinois registration, in order.

1. Mainstay Filing

$199 + $150 state fee = $349

Registered agent free for the first year, then $149 a year.

2. IL Registered Agent.org

$199 + $150 state fee = $349

Registered agent included for the first year, then $99 a year.

3. Illinois Registered Agent.co

$199 + $150 state fee = $349

Registered agent included for the first year, then $99 a year.

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.

Illinois questions

Do I still register in Illinois if I form in another state?

If the LLC does business in Illinois, Illinois generally expects it to register as a foreign LLC with the Illinois Secretary of State, Department of Business Services, Limited Liability Division, for $150. That is what makes the second state an extra cost rather than a replacement.

What does it cost to form an LLC in Illinois?

$150 in state fees.

Does the foreign registration repeat every year?

Annual report (Illinois Secretary of State), $75 (due: within the 60 days before your anniversary month).

Sources