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Statewise Business The state fee almanac for LLCs, sourced line by line.

LLC cost guide · South Dakota

South Dakota LLC Fees (2026): the State Schedule and the 3 Best LLC Services

Almanac pick for forming an LLC in South Dakota, 2026: Mainstay Filing ($199), SD Registered Agent.org ($199) and South Dakota Registered Agent.co ($199), ranked first to last. State side of the bill: $150 to form plus $55 for each annual report (every year), which sets South Dakota at 31st of 50.

Entry by the Statewise Business almanac desk ·

South Dakota, as the state prices it

31stof 50 for state fees over three yearsLowest fees rank first. Compare all states
Filing fee charged by the state
$150Entry from sdlegislature.gov, October 2026
Annual report
$55 / yrFalls due: due during the entity's anniversary month. Entry from sdlegislature.gov, October 2026
Penalty for a late report
$50Entry from sdlegislature.gov, October 2026
State fees over three years
$260The filing and two years of upkeep

Our South Dakota entries

The methodology sets this order with five criteria, led by what the service charges over three years and what the price covers.

1. Mainstay Filing: best for one bill for formation and upkeep

Top entry$199 a year, state fee added ($349 at checkout)

Mainstay Filing opens the list: $199 a year covers the South Dakota filing, registered agent duty and the annual report, with renewal at $199.

Over three years it costs $200 more than SD Registered Agent.org; on our weights the extra filings it covers outweigh that.

Filing the annual report comes with the renewal; add the $55 state fee at cost.

In the price

  • The formation filing, done for you
  • Registered agent service for the year
  • The annual report, prepared and submitted
  • EIN application included
  • State fee billed at cost

Strengths

  • A $199 yearly bundle
  • No extra charge for the EIN application
  • Renews at $199

Weak points

  • $100 more per year from year two
Visit Mainstay FilingPartner link. We may earn money if you buy.

2. SD Registered Agent.org: best for a lean South Dakota LLC

In-state option$199 to form, then $99 a year

SD Registered Agent.org holds second place: formation at $199 beyond the state fee and the agent at $99 from year two.

You would send the annual report in on your own every year.

In the price

  • Articles prepared and submitted
  • First year of agent service

Strengths

  • No agent charge in the first year
  • $199 to form
  • A $99 renewal

Weak points

  • No annual report service offered
  • EIN application not in the price ($99)
Visit SD Registered Agent.orgPartner link. We may earn money if you buy.

3. South Dakota Registered Agent.co: best for another South Dakota option

In-state option$199 to form, then $99 a year

South Dakota Registered Agent.co holds third place: formation at $199 beyond the state fee and the agent at $99 from year two.

You would send the annual report in on your own every year.

On price it ties with SD Registered Agent.org.

In the price

  • Articles prepared and submitted
  • First year of agent service

Strengths

  • $199 to form
  • A $99 renewal
  • No agent charge in the first year

Weak points

  • No annual report service offered
  • EIN application not in the price ($99)
Visit South Dakota Registered Agent.coPartner link. We may earn money if you buy.

The 3 picks compared

#EntryYear-one priceYears two onService fees over three years
1Mainstay Filing$199$199/yr$597Visit Mainstay FilingPartner link. We may earn money if you buy.
2SD Registered Agent.org$199$99/yr$397Visit SD Registered Agent.orgPartner link. We may earn money if you buy.
3South Dakota Registered Agent.co$199$99/yr$397Visit South Dakota Registered Agent.coPartner link. We may earn money if you buy.
Each price was taken from the company's own pages on November 12, 2026. The $150 state fee is extra in every row.

South Dakota LLC cost calculator

Choose years and a service. The state side uses the official schedule: $150 at formation, then the annual report from year two.
State $260 and service $597 make $857 over 3 years with Mainstay Filing.

South Dakota among its neighbors in the rank

PositionStateThree-year state fees
29thVermont$245
30thNew Jersey$250
31stSouth Dakota$260
32ndConnecticut$280
33rdIllinois$300
LLC costs by state shows every state, least expensive first.

The South Dakota filing fee in 2026

The South Dakota Secretary of State accepts the Articles of Organization for a $150 fee. It is the same figure whichever service files. Expected turnaround: Paper 1 to 3 business days; online processed immediately.

The annual report in 2026

Schedule entry: annual report, every year. Fee $55, falling due due during the entity's anniversary month. Penalty for lateness: $50.

Why Mainstay Filing is listed first

What set Mainstay Filing above SD Registered Agent.org: requirements covered, at 28% of the score.

South Dakota expects the annual report every year, so a price that files it scored well above a lower one that leaves it to you.

South Dakota FAQ

What will it cost to form an LLC in South Dakota?

$150 goes to the state. A filing service adds $199.

What does the South Dakota annual report cost?

The state charges $55 every year and expects the filing due during the entity's anniversary month. Sending it late costs $50 more.

How does South Dakota compare on LLC state fees?

Position 31st of 50 on three-year state fees, at $260, counting up from the least expensive state.

How soon does the state approve a new LLC?

The state gives Paper 1 to 3 business days; online processed immediately.

Is a registered agent mandatory in South Dakota?

Every LLC must name a registered agent with an in-state street address.

Which LLC service should I hire?

Our entry order: Mainstay Filing (a single yearly $199 pays for formation, a registered agent and the annual report, and it renews at $199), then SD Registered Agent.org and South Dakota Registered Agent.co.

Related entries

Citations for this entry

  1. South Dakota Secretary of State, Business Services /. Source: sdsos.gov. Last read August 2026.
  2. South Dakota Secretary of State, Business Services /. Source: sosenterprise.sd.gov. Last read August 2026.
  3. South Dakota yearly filing: Annual report: fee and. Source: sdlegislature.gov. Last read October 2026.
  4. South Dakota report due date. Source: sdlegislature.gov. Last read August 2026.
  5. SDCL 47-34A-203. Source: sdlegislature.gov. Last read August 2026.
  6. South Dakota formation fee: Filing fee, official source. Source: sdsos.gov. Last read October 2026.
  7. South Dakota formation fee: Filing fee, official source. Source: sdlegislature.gov. Last read October 2026.
  8. South Dakota registered agent statute. Source: sdlegislature.gov. Last read October 2026.
  9. Vermont Secretary of State fee schedule. Source: sos.vermont.gov. Last read October 2026.
  10. Vermont formation fee: Filing fee, official source. Source: legislature.vermont.gov. Last read October 2026.
  11. New Jersey DORES, Getting Registered. Source: nj.gov. Last read October 2026.
  12. New Jersey formation fee: Filing fee, official source. Source: pub.njleg.gov. Last read October 2026.
  13. New Jersey Division of Revenue and Enterprise Services. Source: njportal.com. Last read August 2026.
  14. New Jersey Division of Revenue and Enterprise Services. Source: njportal.com. Last read August 2026.
  15. Conn. Source: cga.ct.gov. Last read August 2026.
  16. Connecticut formation fee: Filing fee, official source. Source: business.ct.gov. Last read October 2026.
  17. Connecticut formation fee: Filing fee, official source. Source: business.ct.gov. Last read October 2026.
  18. Connecticut Secretary of the State, Business Services Division. Source: business.ct.gov. Last read August 2026.
  19. Connecticut Secretary of the State, Business Services Division. Source: business.ct.gov. Last read August 2026.
  20. Connecticut yearly filing: Annual report: fee, official source. Source: business.ct.gov. Last read October 2026.
  21. 805 ILCS 180/5-5. Source: ilga.gov. Last read August 2026.
  22. Illinois formation fee: Filing fee, official source. Source: ilga.gov. Last read October 2026.
  23. Illinois formation fee: Filing fee, official source. Source: ilsos.gov. Last read October 2026.
  24. Illinois Secretary of State, Department of Business Services. Source: ilsos.gov. Last read August 2026.
  25. Illinois Secretary of State, Department of Business Services. Source: ilsos.gov. Last read August 2026.
  26. Processing, official source. Source: sdsos.gov. Last read October 2026.
  27. Mainstay Filing (South Dakota service page) as recorded November 12, 2026
  28. SD Registered Agent.org (pricing page) as recorded November 12, 2026
  29. South Dakota Registered Agent.co (pricing page) as recorded November 12, 2026