Foreign LLC Guide

Foreign LLC Guide › South Dakota

How to register a foreign LLC in South Dakota

Registering a foreign LLC in South Dakota takes five steps and a $750 state fee, filed with the South Dakota Secretary of State.

The five steps

  1. Order the home-state certificate. Certificate of Existence. Request it from the state where the LLC was formed and allow time for it to arrive.
  2. Line up a registered agent. It needs a street address in South Dakota. The services below include one for the first year.
  3. Complete Application for Certificate of Authority, Foreign Limited Liability Company. Download it from the South Dakota Secretary of State.
  4. Pay $750. That is the official fee.
  5. Set up the yearly filing. Annual report (South Dakota Secretary of State), $55 (due: 1st of the anniversary month).

Documents checklist

  • Home-state certificate (certificate of existence)
  • Application for Certificate of Authority, Foreign Limited Liability Company
  • The South Dakota agent’s name and street address
  • The LLC’s exact legal name and formation date
  • Payment of $750

Best 3 Foreign Registration Services in South Dakota (2026)

Prefer not to do the steps yourself? These are the services for South Dakota.

  1. 1. Mainstay Filing $199 + the $750 state fee = $949; registered agent free for the first year, then $149 a year.
  2. 2. SD Registered Agent.org $199 + the $750 state fee = $949; registered agent included for the first year, then $99 a year.
  3. 3. South Dakota Registered Agent.co $199 + the $750 state fee = $949; registered agent included for the first year, then $99 a year.

Service prices read from each provider’s South Dakota page on October 28, 2026. The state fee is the official figure below and is paid to the South Dakota Secretary of State.

South Dakota guide questions

How do I register a foreign LLC in South Dakota?

Five steps: get the home-state certificate, name an agent, complete Application for Certificate of Authority, Foreign Limited Liability Company, pay $750 and set up the yearly filing.

Where do I send the South Dakota application?

To the South Dakota Secretary of State. The link above goes to its filing page.

Can a service do the South Dakota steps?

Yes: Mainstay Filing charges $199 plus the state fee and includes the agent for year one.

Sources