

Foreign registration · no form number
Maine Corporation Foreign Registration in Connecticut
A corporation formed in Maine that wants to do business in Connecticut files an online registration (no form number), with $385 in state fees. Connecticut may ask for Maine's Certificate of Existence ($30). We file it with the Secretary of the State, Business Services Division from your Maine records, then serve as your registered agent there for year one.
Maine and Connecticut side by side
| Maine formed here | Connecticut registering here | |
|---|---|---|
| Document | Maine Certificate of Existence | Application for Certificate of Authority (Foreign Corporation) (no form number) |
| State fee | $30 | $385 at order |
| How it is handled | Maine: online, downloaded from the company's information summary page | Filed online with Connecticut |
| Paid expedite | $50 | |
| Office | Maine Secretary of State, Division of Corporations, UCC and Commissions | Connecticut Secretary of the State, Business Services Division |
| Official page | apps3.web.maine.gov | business.ct.gov |
| Yearly filing | Annual Report, $85, every year | Annual Report, $435, every year |
| Due | June 1 | Anniversary date of registration in Connecticut |
| Agent | Your Maine registered agent | Our Connecticut registered agent |
How Maine companies register with Connecticut
We prepare and file the registration
It lists us as your Connecticut registered agent, next to your Maine name and formation date. If Connecticut wants the Maine certificate, it is ordered first. Once Connecticut approves it, the Maine company can do business there.
Your Maine name and Connecticut's rules
We search Connecticut's records for Maine's name on file before anything is filed.
Your Connecticut agent and the Maine one
Maine and Connecticut both call it a registered agent. Connecticut papers come to us; Maine's agent is unchanged.
Staying in good standing in Maine and Connecticut
Each year your corporation files Maine's Annual Report ($85) and Connecticut's Annual Report ($435). With our $149 registered agent renewal, Maine plus Connecticut comes to $669 a year. The new registration does not replace any home-state filing.
LLC or corporation, Maine to Connecticut
An LLC formed in Maine files its own registration with Connecticut ($120 in state fees, plus the Certificate of Existence ($30)). After that come Maine's Annual Report ($85) and Connecticut's Annual Report ($80). See the LLC filing.
Registering a Connecticut company in Maine
A corporation formed in Connecticut that registers with Maine files Form MBCA-12 with $250 in state fees and a $50 required expedite. See that filing.
Common questions: Maine to Connecticut
Does my Maine company need to register in Connecticut?
Yes, once a Maine business operates there; Connecticut registers it as a foreign corporation.
Is this a certificate of authority?
Yes: Connecticut issues one to Maine corporations once the filing is approved.
How much does it cost to register a Maine corporation in Connecticut?
$584 at checkout; Connecticut may also want Maine's Certificate of Existence, at extra cost.
What are the yearly costs for Maine and Connecticut?
$669 a year: our $149 registered agent renewal, $85 to Maine and $435 to Connecticut for the yearly reports.
Does Connecticut require a registered agent?
Yes: the Maine registered agent stays, and ours covers Connecticut for year one.
Can I form a new Connecticut corporation instead?
Yes, but Maine keeps the original, so you run two companies: the new one files Connecticut's Annual Report ($150), and the original keeps Maine's Annual Report.
How do I withdraw from Connecticut later?
Maine companies leave by filing an Application for Certificate of Withdrawal; until then, Connecticut's report stays due alongside Maine's filings.
What does a Connecticut company file to register in Maine?
It files Form MBCA-12 with $250 in state fees and a $50 required expedite.
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