Foreign registration · no form number

Connecticut Corporation Foreign Registration in South Dakota

A corporation formed in Connecticut that wants to do business in South Dakota files an online registration (no form number), with $750 in state fees. South Dakota also wants Connecticut's Certificate of Legal Existence ($80). We file it with the Secretary of State from your Connecticut records, then serve as your registered agent there for year one.

What Connecticut and South Dakota each ask for

	Connecticut formed here	South Dakota registering here
Document	Connecticut Certificate of Legal Existence	Application for Certificate of Authority (Foreign Business Corporation) (no form number)
State fee	$80	$750 at order
How it is handled	Connecticut: online, with an express version, or by mail	Filed online with South Dakota
Paid expedite		$50
Office	Connecticut Secretary of the State, Business Services Division	South Dakota Secretary of State
Official page	business.ct.gov	sdsos.gov
Age rule	Dated when issued	Must be current
Yearly filing	Annual Report, $150, every year	Annual Report, fee set by the state, every year
Due	Anniversary date of the filing of the first annual report	By the first day of the registration anniversary month each year
Agent	Your Connecticut registered agent	Our South Dakota registered agent

How Connecticut companies register with South Dakota

Order the Connecticut certificate
The Certificate of Legal Existence ($80) is ordered from Connecticut separately; it is not part of our South Dakota order. It comes as a short form ($80) or a long form ($120). South Dakota wants the Connecticut certificate current, so it is ordered close to the filing date.
We prepare and file the registration
It lists us as your South Dakota registered agent, next to your Connecticut name and formation date, with the certificate attached. Once Connecticut's certificate is in hand, South Dakota's filing goes in. After approval, your Connecticut corporation is registered with South Dakota.

First-year cost, Connecticut to South Dakota

Item	Amount
State fees, paid at order	$750
Certificate of Legal Existence, paid to Connecticut	$80
Our service, with a year of South Dakota registered agent service	$199
First-year total, Connecticut certificate included	$1,029

South Dakota's paid expedite is optional and not in the total.

Will your Connecticut name work for South Dakota?

If South Dakota's records show it taken, you can use an alternate name for the Connecticut company. South Dakota can hold a name for $25 before you file.

Your South Dakota agent and the Connecticut one

Connecticut and South Dakota both call it a registered agent. South Dakota papers come to us; Connecticut's agent is unchanged.

Yearly filings: South Dakota and Connecticut

Connecticut wants the Annual Report every year ($150); South Dakota wants the Annual Report every year. Both states' filings stay current side by side.

LLC or corporation, Connecticut to South Dakota

An LLC formed in Connecticut files its own registration with South Dakota ($750 in state fees, the same, plus the Certificate of Legal Existence ($50)). After that come Connecticut's Annual Report ($80) and South Dakota's Annual Report ($55). See the LLC filing.

The other way: South Dakota into Connecticut

A corporation formed in South Dakota that registers with Connecticut files Connecticut's registration (no form number) with $385 in state fees. See that filing.

Questions Connecticut owners ask about South Dakota

Does my Connecticut company need to register in South Dakota?

Yes, once a Connecticut business operates there; South Dakota law lists 11 activities that do not count on their own.

Is this a certificate of authority?

Yes: South Dakota issues one to Connecticut corporations once the filing is approved.

How much does it cost to register a Connecticut corporation in South Dakota?

$949 at checkout plus $80 to Connecticut for the Certificate of Legal Existence, $1,029 in all (checkout is $750 in state fees plus our $199).

Do I need Connecticut's certificate of good standing?

Yes: South Dakota wants Connecticut's Certificate of Legal Existence ($80), current at filing.

How long does the South Dakota registration take?

South Dakota approves online filings immediately, once Connecticut's certificate is in hand. Paid expedite: $50.

What are the yearly costs for Connecticut and South Dakota?

Our registered agent renewal ($149 a year), Connecticut's report ($150) and South Dakota's report (fee set by the state).

What if I don't register with South Dakota?

A Connecticut company cannot sue in court there until it registers.

Does South Dakota require a registered agent?

Yes: the Connecticut registered agent stays, and ours covers South Dakota for year one.

Will South Dakota accept my Connecticut name?

Yes, if no company there has it; if one does, it uses an alternate name there and keeps its Connecticut name at home.

Can I form a new South Dakota corporation instead?

Yes, but Connecticut keeps the original, so you run two companies: the new one files South Dakota's Annual Report, and the original keeps Connecticut's Annual Report.

Official sources

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The same move for an LLC