State registration fee
$750
Source sdsos.gov, October 2026
Foreign LLC guide · South Dakota
South Dakota Foreign LLC Registration Fees (2026): the Official Numbers and the 3 Best Services
The best picks for registering an out-of-state LLC in South Dakota in 2026 are Mainstay Filing ($199), South Dakota Registered Agent.co ($199) and SD Registered Agent.org ($199), in that order. The fee is $750 up front and $55 on every report; South Dakota sits at number 45th of 50 for foreign LLCs.
South Dakota: key numbers
Recurring report
$55
Annual report
Certificate from home state
Required
Goes along with the form
State charges over 3 years
$860
Registration, then two years of reports
Our South Dakota recommendations
Weights are listed on the method page. Three-year fees and coverage count for the most.
1. Mainstay Filing: best for registering in many states
$199 to register, then $149 a year
We put Mainstay Filing at number one since $199 plus the South Dakota state fee, then $149 a year for the agent starting in year 2.
Compared with South Dakota Registered Agent.co, the three-year bill is $100 larger, and more filings are covered for it.
After year 1, agent service runs $149 yearly everywhere.
What the price takes in
- Files the registration for you
- Registered agent costs nothing in the first year
- Costs the same in every state
In its favor
- Registered agent is free in year 1
- Provider fee of $199
- One price, any state
Against it
- South Dakota Registered Agent.co's agent renews for $50 less
2. South Dakota Registered Agent.co: best for registering only in South Dakota
$199 to register, then $99 a year
Number 2, South Dakota Registered Agent.co, for this reason: $199 plus the state fee, with the first agent year included, then $99 yearly for the agent.
What the price takes in
- Prepares and submits the registration
- A year of agent service
In its favor
- A year of agent service in the price
- The agent renews at $99
- $199 to register
Against it
- Only South Dakota; your home state needs its own agent
3. SD Registered Agent.org: best for a business that only registers in South Dakota
$199 to register, then $99 a year
Number 3, SD Registered Agent.org, for this reason: $199 plus the state fee, with the first agent year included, then $99 yearly for the agent.
The prices are the same as South Dakota Registered Agent.co's.
What the price takes in
- Prepares and submits the registration
- A year of agent service
In its favor
- A year of agent service in the price
- $199 to register
- The agent renews at $99
Against it
- Only South Dakota; your home state needs its own agent
The ranking in numbers
| No. | Provider | First year | Later years | Provider fees over 3 years | |
|---|---|---|---|---|---|
| 1 | Mainstay Filing | $199 | $149/yr | $497 | Visit Mainstay FilingPartner link. We may earn money if you buy. |
| 2 | South Dakota Registered Agent.co | $199 | $99/yr | $397 | Visit South Dakota Registered Agent.coPartner link. We may earn money if you buy. |
| 3 | SD Registered Agent.org | $199 | $99/yr | $397 | Visit SD Registered Agent.orgPartner link. We may earn money if you buy. |
These were the posted prices on November 13, 2026. South Dakota charges $750 to register, apart from every provider.
Registration and upkeep, year by year
The registration fee is $750, with a $55 report from year 2; provider fees are added.
South Dakota and the states around it in the ranking
| Place | State | Three-year foreign LLC fees |
|---|---|---|
| 43rd | Nevada | $775 |
| 44th | Oregon | $825 |
| 45th | South Dakota | $860 |
| 46th | Tennessee | $900 |
| 47th | Delaware | $1,000 |
The complete list ranks all fifty states the same way.
South Dakota foreign LLC registration fee and form (official)
An LLC from another state registers by sending the Application for Certificate of Authority, Foreign Limited Liability Company and $750 to the South Dakota Secretary of State. It also needs certificate of Existence.
The recurring obligation is the annual report ($55), 1st of the anniversary month.
Before filing
- Certificate of Existence.
- The name and formation date as the home state records them.
- A registered agent located in the state (each pick includes one).
- A way to pay the $750 filing fee.
What staying unregistered can cost
Contracts already signed stay in force (SDCL 47-34A-1008(b)).
Why Mainstay Filing is first
Paperwork inside the price decided first place in South Dakota. It is worth 28% of the score, and the other criteria are service bill, years one to three, second-year price, match to the state, state fee shown apart.
With two states in play, the provider that works in both pulled ahead of South Dakota Registered Agent.co.
Frequently asked questions
How much does it cost a foreign LLC to register in South Dakota?
$750 at the state office. Provider fees are $199.
Which form registers a foreign LLC in South Dakota?
The Application for Certificate of Authority, Foreign Limited Liability Company, which is sent to the South Dakota Secretary of State.
Does the state want a certificate from the home state?
Yes, it wants certificate of Existence.
Does a foreign LLC file anything every year?
Yes, it files the annual report for $55.
What are the consequences of working there without registering?
Contracts already signed stay in force (SDCL 47-34A-1008(b)).
Does a foreign LLC in South Dakota need a registered agent?
Every LLC must name a registered agent with an in-state street address.
Which service would you choose to register a foreign LLC?
The order is Mainstay Filing, South Dakota Registered Agent.co and SD Registered Agent.org.
Where these facts come from
- Taken from sdsos.gov, a page we read in August 2026, is everything we say on this page about South Dakota Secretary of State, Business Services /.
- Taken from sosenterprise.sd.gov, a page we read in August 2026, is everything we say on this page about South Dakota Secretary of State, Business Services /.
- Taken from sdlegislature.gov, a page we read in October 2026, is everything we say on this page about South Dakota yearly filing: Annual report: fee and.
- Taken from sdlegislature.gov, a page we read in August 2026, is everything we say on this page about South Dakota report due date.
- Taken from sdlegislature.gov, a page we read in August 2026, is everything we say on this page about SDCL 47-34A-203.
- Taken from sdsos.gov, a page we read in October 2026, is everything we say on this page about South Dakota formation fee: Filing fee, official source.
- Taken from sdlegislature.gov, a page we read in October 2026, is everything we say on this page about South Dakota formation fee: Filing fee, official source.
- Taken from sdlegislature.gov, a page we read in October 2026, is everything we say on this page about South Dakota registered agent statute.
- Taken from sdsos.gov, a page we read in October 2026, is everything we say on this page about South Dakota Secretary of State, business services.
- Taken from sdsos.gov, a page we read in October 2026, is everything we say on this page about Foreign LLC application for Certificate of Authority.
- Taken from sdlegislature.gov, a page we read in October 2026, is everything we say on this page about SDCL 47-34A-1003, transacting business.
- Taken from sdlegislature.gov, a page we read in October 2026, is everything we say on this page about SDCL 47-34A-1008, effect of not registering.
- Taken from sdlegislature.gov, a page we read in November 2026, is everything we say on this page about SDCL 47-34A-1001 to 47-34A-1009, foreign limited liability companies.
- Taken from nvsos.gov, a page we read in October 2026, is everything we say on this page about Nevada Secretary of State, limited-liability companies.
- Taken from leg.state.nv.us, a page we read in October 2026, is everything we say on this page about Nevada Revised Statutes, Chapter 86.
- Taken from leg.state.nv.us, a page we read in October 2026, is everything we say on this page about Nevada Revised Statutes, Chapter 77.
- Taken from bizhub.nv.gov, a page we read in October 2026, is everything we say on this page about Nevada LLC formation and registration packet.
- Taken from bizhub.nv.gov, a page we read in October 2026, is everything we say on this page about Annual list and State Business License instructions.
- Taken from sos.oregon.gov, a page we read in October 2026, is everything we say on this page about Oregon Secretary of State, foreign LLC forms.
- Taken from sos.oregon.gov, a page we read in October 2026, is everything we say on this page about Application for Authority, form instructions.
- Taken from sos.oregon.gov, a page we read in October 2026, is everything we say on this page about Business Registry fee schedule.
- Taken from sos.oregon.gov, a page we read in October 2026, is everything we say on this page about Registered agents and service of process.
- Taken from oregonlegislature.gov, a page we read in October 2026, is everything we say on this page about Oregon Revised Statutes, chapter 63.
- Taken from sos.tn.gov, a page we read in October 2026, is everything we say on this page about Tennessee Secretary of State, business forms and fees.
- Taken from sos-prod.tnsosgovfiles.com, a page we read in October 2026, is everything we say on this page about Form SS-4233, Certificate of Authority for a foreign.
- Taken from sos.tn.gov, a page we read in October 2026, is everything we say on this page about Tennessee Secretary of State, business FAQs.
- Taken from sos-prod.tnsosgovfiles.com, a page we read in October 2026, is everything we say on this page about Form SS-4241, withdrawal or cancellation.
- Taken from publications.tnsosfiles.com, a page we read in October 2026, is everything we say on this page about Tennessee Revised LLC Act, Public Chapter 286.
- Taken from corpfiles.delaware.gov, a page we read in October 2026, is everything we say on this page about Foreign LLC registration form.
- Taken from delcode.delaware.gov, a page we read in October 2026, is everything we say on this page about Delaware Code Title 6, chapter 18, subchapter IX.
- Taken from delcode.delaware.gov, a page we read in October 2026, is everything we say on this page about Delaware Code Title 6, chapter 18, subchapter XI.
- Taken from corpfiles.delaware.gov, a page we read in October 2026, is everything we say on this page about Division of Corporations fee schedule, August 2026.
- Taken from corp.delaware.gov, a page we read in October 2026, is everything we say on this page about Alternative entity annual tax instructions.
- As read November 13, 2026, Mainstay Filing shows South Dakota service page on its site
- As read November 13, 2026, South Dakota Registered Agent.co shows pricing page on its site
- As read November 13, 2026, SD Registered Agent.org shows pricing page on its site