

Foreign registration · no form number
Wisconsin Corporation Foreign Registration in Connecticut
Connecticut registers a corporation from Wisconsin as a foreign corporation on an online registration (no form number), with $385 in state fees. Connecticut may ask for Wisconsin's Certificate of Status ($10). We file it with the Secretary of the State, Business Services Division from your Wisconsin records, then serve as your registered agent there for year one.
What Wisconsin and Connecticut each ask for
| Wisconsin formed here | Connecticut registering here | |
|---|---|---|
| Document | Wisconsin Certificate of Status | Application for Certificate of Authority (Foreign Corporation) (no form number) |
| State fee | $10 | $385 at order |
| How it is handled | Wisconsin: online, emailed as soon as it is requested | Filed online with Connecticut |
| Paid expedite | $50 | |
| Office | Wisconsin Department of Financial Institutions, Division of Corporate and Consumer Services | Connecticut Secretary of the State, Business Services Division |
| Official page | dfi.wi.gov | business.ct.gov |
| Yearly filing | Domestic Business Corporation Annual Report, $25, every year | Annual Report, $435, every year |
| Due | End of the calendar quarter containing the anniversary of the articles' effective date | Anniversary date of registration in Connecticut |
| Agent | Your Wisconsin registered agent | Our Connecticut registered agent |
How Wisconsin companies register with Connecticut
We prepare and file the registration
It lists us as your Connecticut registered agent, next to your Wisconsin name and formation date. If Connecticut wants the Wisconsin certificate, it is ordered first. Once Connecticut approves it, the Wisconsin company can do business there.
Your Wisconsin name and Connecticut's rules
We search Connecticut's records for Wisconsin's name on file before anything is filed.
Agents: Connecticut and Wisconsin
Wisconsin and Connecticut both call it a registered agent. Connecticut papers come to us; Wisconsin's agent is unchanged.
Staying in good standing in Wisconsin and Connecticut
Each year your corporation files Wisconsin's Domestic Business Corporation Annual Report ($25) and Connecticut's Annual Report ($435). With our $149 registered agent renewal, Wisconsin plus Connecticut comes to $609 a year. The new registration does not replace any home-state filing.
LLC or corporation, Wisconsin to Connecticut
An LLC formed in Wisconsin files its own registration with Connecticut ($120 in state fees, plus the Certificate of Status ($10)). After that come Wisconsin's Annual Report (Form 5 / CORP5) ($25) and Connecticut's Annual Report ($80). See the LLC filing.
Registering a Connecticut company in Wisconsin
A corporation formed in Connecticut that registers with Wisconsin files Form 21 with $100 in state fees, plus the Certificate of Legal Existence ($80) dated within 60 days. See that filing.
Questions Wisconsin owners ask about Connecticut
Does my Wisconsin company need to register in Connecticut?
Yes, once a Wisconsin business operates there; Connecticut registers it as a foreign corporation.
Is this a certificate of authority?
Yes: Connecticut issues one to Wisconsin corporations once the filing is approved.
How much does it cost to register a Wisconsin corporation in Connecticut?
$584 at checkout; Connecticut may also want Wisconsin's Certificate of Status, at extra cost.
What are the yearly costs for Wisconsin and Connecticut?
$609 a year: our $149 registered agent renewal, $25 to Wisconsin and $435 to Connecticut for the yearly reports.
Does Connecticut require a registered agent?
Yes: the Wisconsin registered agent stays, and ours covers Connecticut for year one.
Can I form a new Connecticut corporation instead?
Yes, but Wisconsin keeps the original, so you run two companies: the new one files Connecticut's Annual Report ($150), and the original keeps Wisconsin's yearly report.
How do I withdraw from Connecticut later?
Wisconsin companies leave by filing an Application for Certificate of Withdrawal; until then, Connecticut's report stays due alongside Wisconsin's filings.
What does a Connecticut company file to register in Wisconsin?
It files Form 21 with $100 in state fees, plus Connecticut's good standing certificate.
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