Foreign registration · no form number

South Dakota Corporation Foreign Registration in Idaho

To do business in Idaho, a corporation formed in South Dakota registers there on an online registration (no form number), with $103.50 in state fees. Idaho may ask for South Dakota's Certificate of Good Standing/Existence ($20). We file it with the Secretary of State, Business Services from your South Dakota records, then serve as your registered agent there for year one.

South Dakota vs Idaho: the paperwork

	South Dakota formed here	Idaho registering here
Document	South Dakota Certificate of Good Standing/Existence	Foreign Registration Statement (Business Corporation) (no form number)
State fee	$20	$103.50 at order (filing fee $100 plus charges collected at filing)
How it is handled	South Dakota: online	Filed online with Idaho
Paid expedite		$40
Office	South Dakota Secretary of State	Idaho Secretary of State, Business Services
Official page	sosenterprise.sd.gov	sos.idaho.gov
Yearly filing	Annual Report, fee set by the state, every year	Annual Report, no fee, every year
Due	By the first day of the registration anniversary month each year (form opens that day	Last day of the entity's anniversary month
Agent	Your South Dakota registered agent	Our Idaho registered agent

How South Dakota companies register with Idaho

We prepare and file the registration
It names us as your Idaho registered agent, with your South Dakota name and formation date. If Idaho wants the South Dakota certificate, it is ordered first. Once Idaho approves it, the South Dakota company can do business there.

Your South Dakota name and Idaho's rules

If another Idaho company uses the South Dakota name, an alternate name is allowed. We search Idaho's records for South Dakota's name on file before anything is filed.

Agents: Idaho and South Dakota

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

Yearly filings: Idaho and South Dakota

South Dakota wants the Annual Report every year; Idaho wants the Annual Report every year (no fee). Both states' filings stay current side by side.

LLC or corporation, South Dakota to Idaho

An LLC formed in South Dakota files its own registration with Idaho ($103.50 in state fees, the same, plus the Certificate of Good Standing/Existence ($20)). After that come South Dakota's Annual Report ($55) and Idaho's Annual Report (no fee). See the LLC filing.

Registering an Idaho company in South Dakota

A corporation formed in Idaho that registers with South Dakota files South Dakota's registration (no form number) with $750 in state fees, plus the Certificate of Existence ($10). See that filing.

Common questions: South Dakota to Idaho

Does my South Dakota company need to register in Idaho?

Yes, once a South Dakota business operates there; Idaho registers it as a foreign corporation.

Is this a certificate of authority?

Idaho calls it registration for South Dakota corporations; other states say certificate of authority.

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

$302.50 at checkout; Idaho may also want South Dakota's Certificate of Good Standing/Existence, at extra cost.

How long does the Idaho registration take?

Idaho's standard processing takes about 3 to 5 days from the date of filing, plus time for South Dakota's certificate if Idaho asks for it. Paid expedite: $40.

What are the yearly costs for South Dakota and Idaho?

Our registered agent renewal ($149 a year), South Dakota's report (fee set by the state) and Idaho's report (no fee).

Does Idaho require a registered agent?

Yes: the South Dakota registered agent stays, and ours covers Idaho for year one, with a street address there.

Will Idaho accept my South Dakota name?

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

Can I form a new Idaho corporation instead?

Yes, but South Dakota keeps the original, so you run two companies: the new one files Idaho's Annual Report (no fee), and the original keeps South Dakota's Annual Report.

How do I withdraw from Idaho later?

South Dakota companies leave by filing a Withdrawal of Foreign Registration Statement; until then, Idaho's report stays due alongside South Dakota's filings.

Official sources

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The same move for an LLC