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LLC cost guide · South Dakota

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

In search of an LLC filing in South Dakota, our 2026 ranking runs SD Registered Agent.org ($199), South Dakota Registered Agent.co ($199) and Mainstay Filing ($199). The state's bill begins at $150 and adds $55 every year for the annual report; that gives South Dakota the 31st spot out of 50 on a three-year view.
Charted by the State Biz Facts team

South Dakota fee chart

31st

of 50 states on a three-year view of state fees

The closer to 1, the smaller the bill. The full 50-state chart

  • Charge to form

    $150

    October 2026 reading of sdlegislature.gov

  • Annual report

    $55 / yr

    Timing as the state words it: due during the entity's anniversary month. October 2026 reading of sdlegislature.gov

  • Charge when the report is late

    $50

    October 2026 reading of sdlegislature.gov

  • State total, years 1 to 3

    $260

    Year 1 filing and the years that follow

Our South Dakota chart of providers

Five weighted criteria set the order; three-year provider charges and filings covered carry the most (see the method).

Rank 1

1. SD Registered Agent.org: best for small formation fees

$199 to form; $99/yr later

SD Registered Agent.org leads the chart because the formation costs $199 above the state fee, and the agent costs $99 from year two.

It beats Mainstay Filing on three-year provider charges, and cost makes up 36% of the score.

Plan to submit the annual report yourself, every year.

Price covers

  • The state filing that forms the LLC
  • First year of agent service

Upside

  • A $99 renewal
  • Year-one agent duty is included
  • $199 plus the state fee

Downside

  • The annual report is not covered
  • EIN application not in the price ($99)
Visit SD Registered Agent.orgPartner link. We may earn money if you buy.

Rooted in South Dakota

2. South Dakota Registered Agent.co: best for a smaller agent renewal

$199 to form; $99/yr later

South Dakota Registered Agent.co takes spot 2: the formation costs $199 above the state fee, and the agent costs $99 from year two.

Plan to submit the annual report yourself, every year.

Prices match SD Registered Agent.org's exactly, so the two sit next to each other on the chart.

Price covers

  • The state filing that forms the LLC
  • First year of agent service

Upside

  • A $99 renewal
  • Year-one agent duty is included
  • $199 plus the state fee

Downside

  • The annual report is not covered
  • EIN application not in the price ($99)
Visit South Dakota Registered Agent.coPartner link. We may earn money if you buy.

Bundled

3. Mainstay Filing: best for fewer yearly chores

Year one $199, year two $199; add the state fee

Just behind comes Mainstay Filing, where one yearly price of $199 buys the formation, registered agent duty and the annual report.

SD Registered Agent.org is $200 cheaper on three-year provider charges.

Mainstay files the annual report; South Dakota collects $55 for it, billed to you without a markup.

Price covers

  • Formation papers drawn up and filed for you
  • Twelve months of registered agent duty
  • Your annual report drawn up and submitted on time
  • Application for your EIN handled as well
  • Nothing added to the state fee

Upside

  • $199 per year includes formation and agent and the report
  • EIN application included
  • $199 next year too

Downside

  • Renewal is $100 higher than SD Registered Agent.org's
Visit Mainstay FilingPartner link. We may earn money if you buy.

3 providers, side by side

OrderProviderYear 1Year 2 and onProvider charges, 3 years
1SD Registered Agent.org$199$99/yr$397Visit SD Registered Agent.orgPartner link. We may earn money if you buy.
2South Dakota Registered Agent.co$199$99/yr$397Visit South Dakota Registered Agent.coPartner link. We may earn money if you buy.
3Mainstay Filing$199$199/yr$597Visit Mainstay FilingPartner link. We may earn money if you buy.
Company price pages, seen November 12, 2026. South Dakota charges $150 to file, separately from each provider.

South Dakota: what an LLC costs year by year

Choose a span of years and a provider. State charges follow the official schedule: $150 to form, the annual report from year two.
SD Registered Agent.org over 3 years comes to $657: $260 for the state and $397 for the provider.

South Dakota and the states beside it on the chart

SpotStateThree-year state fees
29thVermont$245
30thNew Jersey$250
31stSouth Dakota$260
32ndConnecticut$280
33rdIllinois$300
The full chart measures all fifty states the same way.

What it costs to file in South Dakota, 2026

The South Dakota Secretary of State collects $150 when the Articles of Organization is filed. Each provider on this page bills that fee at cost. The state says it processes filings in about Paper 1 to 3 business days; online processed immediately.

South Dakota's recurring report

Annual report: every year. Cost: $55. The state sets the date as due during the entity's anniversary month. Lateness adds $50.

How the South Dakota ranking was drawn

SD Registered Agent.org wins on service cost across three years, worth 36% of the total; South Dakota Registered Agent.co follows.

Picking SD Registered Agent.org means $397 in provider charges across three years, $200 below Mainstay Filing.

South Dakota FAQ

What is the state charge for forming an LLC in South Dakota?

$150 goes to the state. Provider charges on this page: $199.

What does the South Dakota annual report cost the LLC?

$55, every year; it is filed due during the entity's anniversary month. Filing late costs $50.

How does South Dakota rank among states on LLC fees?

South Dakota is 31st of 50 on three-year state fees, at $260; spot 1 has the smallest bill.

How quickly does the state process a new LLC?

Published turnaround: Paper 1 to 3 business days; online processed immediately.

Is a registered agent compulsory for South Dakota LLCs?

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

Who should file my LLC?

Our route runs through SD Registered Agent.org: $199 plus the state fee, first agent year thrown in, then $99 per year. After it, South Dakota Registered Agent.co and Mainstay Filing.

Other maps

Where each number comes from

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