

Foreign registration · no form number
New Hampshire Corporation Foreign Registration in Connecticut
To do business in Connecticut, a corporation formed in New Hampshire registers there on an online registration (no form number), with $385 in state fees. Connecticut may ask for New Hampshire's Certificate of Good Standing ($5). We file it with the Secretary of the State, Business Services Division from your New Hampshire records, then serve as your registered agent there for year one.
New Hampshire vs Connecticut: the paperwork
| New Hampshire formed here | Connecticut registering here | |
|---|---|---|
| Document | New Hampshire Certificate of Good Standing | Application for Certificate of Authority (Foreign Corporation) (no form number) |
| State fee | $5 | $385 at order |
| How it is handled | New Hampshire: online | Filed online with Connecticut |
| Paid expedite | $50 | |
| Office | New Hampshire Secretary of State, Corporation Division | Connecticut Secretary of the State, Business Services Division |
| Official page | quickstart.sos.nh.gov | business.ct.gov |
| Yearly filing | Annual Report, $100, every year | Annual Report, $435, every year |
| Due | April 1 | Anniversary date of registration in Connecticut |
| Agent | Your New Hampshire registered agent | Our Connecticut registered agent |
How New Hampshire companies register with Connecticut
We prepare and file the registration
It names us as your Connecticut registered agent, with your New Hampshire name and formation date. If Connecticut wants the New Hampshire certificate, it is ordered first. Once Connecticut approves it, the New Hampshire company can do business there.
Your New Hampshire name and Connecticut's rules
We check your exact New Hampshire name against Connecticut's records before filing.
Agents: Connecticut and New Hampshire
New Hampshire and Connecticut both call it a registered agent. Connecticut papers come to us; New Hampshire's agent is unchanged.
Staying in good standing in New Hampshire and Connecticut
Each year your corporation files New Hampshire's Annual Report ($100) and Connecticut's Annual Report ($435). With our $149 registered agent renewal, New Hampshire plus Connecticut comes to $684 a year. The new registration does not replace any home-state filing.
LLC or corporation, New Hampshire to Connecticut
An LLC formed in New Hampshire files its own registration with Connecticut ($120 in state fees, plus the Certificate of Good Standing ($5)). After that come New Hampshire's Annual Report ($102) and Connecticut's Annual Report ($80). See the LLC filing.
Registering a Connecticut company in New Hampshire
A corporation formed in Connecticut that registers with New Hampshire files Form 40 with $102 in state fees. See that filing.
Questions New Hampshire owners ask about Connecticut
Does my New Hampshire company need to register in Connecticut?
Yes, once a New Hampshire business operates there; Connecticut registers it as a foreign corporation.
Is this a certificate of authority?
Yes: Connecticut issues one to New Hampshire corporations once the filing is approved.
How much does the Connecticut registration cost?
$584 at checkout; Connecticut may also want New Hampshire's Certificate of Good Standing, at extra cost.
What are the yearly costs for New Hampshire and Connecticut?
$684 a year: our $149 registered agent renewal, $100 to New Hampshire and $435 to Connecticut for the yearly reports.
Does Connecticut require a registered agent?
Yes: the New Hampshire registered agent stays, and ours covers Connecticut for year one.
Can I form a new Connecticut corporation instead?
Yes, but New Hampshire keeps the original, so you run two companies: the new one files Connecticut's Annual Report ($150), and the original keeps New Hampshire's Annual Report.
How do I withdraw from Connecticut later?
New Hampshire companies leave by filing an Application for Certificate of Withdrawal; until then, Connecticut's report stays due alongside New Hampshire's filings.
What does a Connecticut company file to register in New Hampshire?
It files Form 40 with $102 in state fees.
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