Multistate LLC › South Dakota
South Dakota upkeep for a multistate LLC
Adding South Dakota costs $750 to register; after that the state charge is $55 a year and the agent is $149 a year.
What South Dakota adds each year
- State charge
- $55 a year (Annual report (South Dakota Secretary of State))
- Due
- 1st of the anniversary month
- Agent after year one
- $149 a year with Mainstay Filing
- Pay the state at
- South Dakota Secretary of State
Stacked with other states
If South Dakota is one of several registrations, here is how the totals grow.
| Registered in | Registration fees | Upkeep, 2 years |
|---|---|---|
| South Dakota + California | $820 | $428 |
| South Dakota + Texas | $1,500 | $408+ |
| South Dakota + Florida | $875 | $685.50 |
| South Dakota + California + Texas | $1,570 | $577+ |
Registration fees are one-time. Upkeep is two years of state charges plus each agent at the $149 renewal rate, which is what it costs once the free first year is over.A + marks a variable state charge left out of the total.
Best 3 Foreign Registration Services in South Dakota (2026)
Adding South Dakota to your LLC? These file it, in order.
1. Mainstay Filing
$199 + $750 state fee = $949
Registered agent free for the first year, then $149 a year.
2. SD Registered Agent.org
$199 + $750 state fee = $949
Registered agent included for the first year, then $99 a year.
3. South Dakota Registered Agent.co
$199 + $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 questions
What does it cost each year to keep a foreign LLC in South Dakota?
$55 a year (Annual report (South Dakota Secretary of State)), plus the agent at $149 a year after the free first year.
What is the registration fee in South Dakota?
$750 once, to the South Dakota Secretary of State.
Is the South Dakota agent a separate cost from other states?
Yes. Each state needs its own registered agent with an address there, so the agent charge repeats for every state you add.
Sources
- Filing fee schedule: sdsos.gov/general-information/filing-fees.aspx, checked October 8, 2026
- Foreign LLC application for Certificate of Authority: sdsos.gov/docs/business/foreignllccertificateofauthority20180215.pdf, checked October 8, 2026
- South Dakota Secretary of State, business services: sdsos.gov/business-services/corporations/contact.aspx, checked October 8, 2026
- SDCL 47-34A-1003, transacting business: sdlegislature.gov/api/Statutes/47-34A-1003.html, checked October 8, 2026
- SDCL 47-34A-1008, effect of not registering: sdlegislature.gov/api/Statutes/47-34A-1008.html, checked October 8, 2026