
Foreign registration · Form 521
New Mexico LLC Foreign Registration in Wisconsin
An LLC formed in New Mexico that wants to do business in Wisconsin files Form 521, with $100 in state fees. Wisconsin asks nothing of New Mexico here, not even the Certificate of Good Standing and Compliance. We file it with the Department of Financial Institutions, Division of Corporate and Consumer Services using your New Mexico records and act as your registered agent there for the first year.
What New Mexico and Wisconsin each ask for
| New Mexico formed here | Wisconsin registering here | |
|---|---|---|
| Document | New Mexico Certificate of Good Standing and Compliance (not needed here) | Form 521, Foreign Registration Statement |
| State fee | Set by the state | $100 at order |
| How it is handled | New Mexico: online | Filed online with Wisconsin |
| Paid expedite | next-day $100, 4-hour (in person) $250, 1-hour (in person) $500 | |
| Office | New Mexico Secretary of State, Business Services Division | Wisconsin Department of Financial Institutions, Division of Corporate and Consumer Services |
| Official page | enterprise.sos.nm.gov | dfi.wi.gov |
| Yearly filing | No annual report | Annual Report (Form 5 / CORP5), $80, every year |
| Due | March 31 | |
| Agent | Your New Mexico registered agent | Our Wisconsin registered agent |
How New Mexico companies register with Wisconsin
We prepare and file Form 521
It names us as your Wisconsin registered agent, with your New Mexico name and formation date. No New Mexico paperwork holds up the Wisconsin filing. After approval, your New Mexico LLC is registered with Wisconsin.
Your New Mexico name and Wisconsin's rules
We search Wisconsin's records for New Mexico's name on file before anything is filed.
Agents: Wisconsin and New Mexico
New Mexico and Wisconsin both call it a registered agent. Your current registered agent stays for New Mexico; ours takes Wisconsin's papers and notices.
Staying in good standing in New Mexico and Wisconsin
New Mexico has no annual report for LLCs; Wisconsin wants the Annual Report (Form 5 / CORP5) every year ($80). The new registration does not replace any home-state filing.
LLC or corporation, New Mexico to Wisconsin
A corporation formed in New Mexico files Form 21 with Wisconsin ($100 in state fees, the same, plus the Certificate of Good Standing and Compliance ($50)). After that come New Mexico's Biennial Corporate Report ($25) and Wisconsin's Foreign Business Corporation Annual Report ($65). See the corporation filing.
Registering a Wisconsin company in New Mexico
An LLC formed in Wisconsin that registers with New Mexico files New Mexico's registration (no form number) with $100 in state fees, plus the Certificate of Status ($10) dated within 30 days. See that filing.
Questions New Mexico owners ask about Wisconsin
Does my New Mexico company need to register in Wisconsin?
Yes, once a New Mexico business operates there; Wisconsin law lists 11 activities that do not count on their own.
How much does the Wisconsin registration cost?
$299 at checkout, with nothing to pay New Mexico.
Do I need New Mexico's certificate of good standing?
No, Wisconsin takes Form 521 without it.
What are the yearly costs for New Mexico and Wisconsin?
Our registered agent renewal ($149 a year), no New Mexico yearly report and Wisconsin's report ($80).
What if I don't register with Wisconsin?
A New Mexico company cannot sue in court there until it registers, and Wisconsin can add up to $97.50 for each year or part of a year.
Does Wisconsin require a registered agent?
Yes: the New Mexico registered agent stays, and ours covers Wisconsin for year one.
Can I form a new Wisconsin LLC instead?
Yes, but New Mexico keeps the original, so you run two companies: the new one files Wisconsin's Annual Report (Form 5 / CORP5) ($25), and New Mexico has no yearly report for the original.
How do I withdraw from Wisconsin later?
New Mexico companies leave by filing a Withdrawal of Registration of Foreign Limited Liability Company; until then, Wisconsin's report stays due alongside New Mexico's filings.
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