Step-by-step foreign qualification requirements, fees, and filing instructions for New Mexico LLCs expanding into Illinois.
Before filing, verify that your LLC name (or a distinguishable variation) is available in Illinois. If your exact name is already taken, you may need to register under a fictitious or assumed name.
Search Illinois business names ↗Illinois requires a Good Standing and Status Certificate from New Mexico to prove your LLC is in good standing. The fee is $25. Available to order online. When Illinois is the destination for a foreign qualification, the home-state certificate must have been authenticated within the last 60 days.
Order from New Mexico ↗Submit your application along with the Good Standing and Status Certificate and the $150 filing fee. Processing time is 10-45 days by mail; same-day if filed in person with the $100 expedite. Expedited processing is available, priced under Ongoing compliance below.
Illinois filing portal ↗You must designate a registered agent with a physical address in Illinois to accept legal documents on behalf of your LLC. This is required as part of the foreign qualification application.
Northwest files the foreign registration and serves as your registered agent in Illinois, which the filing requires. Only need an agent? Northwest's registered agent service alone is $125/year.
Have Northwest register your LLC in Illinois ↗Not sure which service fits? Our full Northwest Registered Agent review and Harbor Compliance review cover pricing, renewal terms, and where each one fits.
Illinois prices expedite by document rather than by speed, so this is the rate for the admission filing itself and other Illinois filings carry their own. Expedited requests must be made in person at the Springfield or Chicago office and cannot be posted.
If your LLC did business in Illinois before filing, check the Illinois foreign LLC penalty guide first. Back fees can run from the date you started, not the date you file.
Illinois carves 9 activities out by statute. On their own, none of them requires a foreign LLC to register.
Under 805 ILCS 180/45-47, all 9 statutory items. Illinois diverges from the uniform act three ways: the isolated-transaction window is 120 days rather than 30; there is a unique safe harbor for having a member or manager who is an Illinois resident; and the list omits indebtedness, debt collection and interstate commerce entirely. Subsection (b) disclaims service of process only, with no taxation clause.
A virtual mailbox gives your LLC a separate address in Illinois for business mail. Confirm whether the state accepts it for the specific filing field. For banking, ask your bank before buying; it may require your actual operating address.
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Use our free tool to check if you need to register in additional states.
This page provides general information based on publicly available state requirements. It is not legal advice. Verify all fees and requirements with the Illinois Secretary of State before filing.