
Foreign registration · Form 521
Colorado LLC Foreign Registration in Wisconsin
An LLC formed in Colorado that wants to do business in Wisconsin files Form 521, with $100 in state fees. Wisconsin needs nothing from Colorado: no Certificate of Good Standing. We file it with the Department of Financial Institutions, Division of Corporate and Consumer Services using your Colorado records and act as your registered agent there for the first year.
Colorado and Wisconsin side by side
| Colorado formed here | Wisconsin registering here | |
|---|---|---|
| Document | Colorado Certificate of Good Standing (not needed here) | Form 521, Foreign Registration Statement |
| State fee | No fee | $100 at order |
| How it is handled | Colorado: online as an instant PDF | Filed online with Wisconsin |
| Paid expedite | next-day $100, 4-hour (in person) $250, 1-hour (in person) $500 | |
| Office | Colorado Secretary of State, Business Program | Wisconsin Department of Financial Institutions, Division of Corporate and Consumer Services |
| Official page | sos.state.co.us | dfi.wi.gov |
| Yearly filing | Periodic Report, $25, every year | Annual Report (Form 5 / CORP5), $80, every year |
| Due | Last day of the entity's anniversary month | March 31 |
| Late yearly filing | $50 late fee | $25 late fee |
| Agent | Your Colorado registered agent | Our Wisconsin registered agent |
How Colorado companies register with Wisconsin
We prepare and file Form 521
It lists us as your Wisconsin registered agent, next to your Colorado name and formation date. No Colorado paperwork holds up the Wisconsin filing. Once Wisconsin approves it, the Colorado company can do business there.
Your Colorado name and Wisconsin's rules
We search Wisconsin's records for Colorado's name on file before anything is filed.
Agents: Wisconsin and Colorado
Colorado and Wisconsin both call it a registered agent. Wisconsin papers come to us; Colorado's agent is unchanged.
Yearly filings: Wisconsin and Colorado
Each year your LLC files Colorado's Periodic Report ($25) and Wisconsin's Annual Report (Form 5 / CORP5) ($80). With our $149 registered agent renewal, Colorado plus Wisconsin comes to $254 a year. The new registration does not replace any home-state filing.
LLC or corporation, Colorado to Wisconsin
A corporation formed in Colorado files Form 21 with Wisconsin ($100 in state fees, the same, plus the Certificate of Good Standing (free)). After that come Colorado's Periodic Report ($25) and Wisconsin's Foreign Business Corporation Annual Report ($65). See the corporation filing.
Registering a Wisconsin company in Colorado
An LLC formed in Wisconsin that registers with Colorado files Colorado's registration (no form number) with $100 in state fees; no Wisconsin certificate is needed. See that filing.
Questions Colorado owners ask about Wisconsin
Does my Colorado company need to register in Wisconsin?
Yes, once a Colorado business operates there; Wisconsin law lists 11 activities that do not count on their own.
How much does it cost to register a Colorado LLC in Wisconsin?
$299 at checkout, with nothing to pay Colorado.
Do I need Colorado's certificate of good standing?
No, Wisconsin takes Form 521 without it.
What are the yearly costs for Colorado and Wisconsin?
$254 a year: our $149 registered agent renewal, $25 to Colorado and $80 to Wisconsin for the yearly reports.
What if I don't register with Wisconsin?
A Colorado 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 Colorado registered agent stays, and ours covers Wisconsin for year one.
Can I form a new Wisconsin LLC instead?
Yes, but Colorado keeps the original, so you run two companies: the new one files Wisconsin's Annual Report (Form 5 / CORP5) ($25), and the original keeps Colorado's Periodic Report.
How do I withdraw from Wisconsin later?
Colorado companies leave by filing a Withdrawal of Registration of Foreign Limited Liability Company; until then, Wisconsin's report stays due alongside Colorado's filings.
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