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LLC cost guide · South Dakota

South Dakota LLC Cost (2026): State Fees on File and the 3 Best LLC Services

For forming an LLC in South Dakota in 2026, rank the services Mainstay Filing ($199), SD Registered Agent.org ($199) and South Dakota Registered Agent.co ($199). Rank 31st of 50 on three-year state cost: $150 at formation plus $55 for the annual report every year.

Desk note by LLC Data Desk ·

South Dakota fee sheet

31stof fifty, three-year state cost1 = smallest bill. See the whole table
Fee to file
$150Pulled October 2026 from sdlegislature.gov
Annual report
$55 / yrDate set by the state: due during the entity's anniversary month. Pulled October 2026 from sdlegislature.gov
Late-filing penalty
$50Pulled October 2026 from sdlegislature.gov
Total owed to the state, 3 yrs
$260Fee to file plus two years of reports

Services ranked for South Dakota

Weights are on the method page. The two heaviest: three-year fees and coverage.

1. Mainstay Filing: best for fewer yearly tasks

First choice$199/yr plus the $150 state fee

Mainstay Filing takes first: one fee, $199 a year, pays for formation, a registered agent and the annual report.

Three-year service fees: $200 above SD Registered Agent.org. In return, more of the state's paperwork is done for you.

Files the annual report every year; the $55 state fee is billed at cost.

What the fee covers

  • Formation filed on your behalf
  • Registered agent for the full year
  • Annual report prepared and submitted
  • EIN application included
  • Official fee, passed through

Pros

  • Renews at $199
  • EIN handled too
  • $199 annual bundle

Cons

  • Yearly bill $100 larger than SD Registered Agent.org's
Visit Mainstay FilingPartner link. We may earn money if you buy.

2. SD Registered Agent.org: best for owners who stay in South Dakota

Local pickFormation $199; yr 2+ $99

SD Registered Agent.org takes second: formation $199 above the state fee; agent $99 from year two.

Budget your own time for the annual report, every year.

What the fee covers

  • Articles prepared and submitted
  • First year of agent service

Pros

  • $199 to form
  • Year-one agent included
  • Then $99 a year

Cons

  • Annual report is left to the owner
  • EIN application $99 extra
Visit SD Registered Agent.orgPartner link. We may earn money if you buy.

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

Local pickFormation $199; yr 2+ $99

South Dakota Registered Agent.co takes third: formation $199 above the state fee; agent $99 from year two.

Budget your own time for the annual report, every year.

Ties with SD Registered Agent.org on price.

What the fee covers

  • Articles prepared and submitted
  • First year of agent service

Pros

  • Then $99 a year
  • $199 to form
  • Year-one agent included

Cons

  • Annual report is left to the owner
  • EIN application $99 extra
Visit South Dakota Registered Agent.coPartner link. We may earn money if you buy.

The ranking as numbers

#ServiceYr 1Yr 2+Service fees, 3 yrs
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.
Posted fees, November 12, 2026. South Dakota charges $150 to file, separate from every service.

State and service fees by year

Pick years and a service. State side follows the official schedule: $150 to form, then the annual report from year two.
$260 state plus $597 service (Mainstay Filing) gives $857 over 3 years.

South Dakota next to nearby ranks

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

South Dakota: what the state charges to form an LLC

$150 buys the Articles of Organization at the South Dakota Secretary of State. Each service below bills it at cost. Published processing time: Paper 1 to 3 business days; online processed immediately.

Annual report, 2026

File the annual report every year with $55, due during the entity's anniversary month. Late filing adds $50.

How the South Dakota order was set

Mainstay Filing pulled ahead of SD Registered Agent.org on scope of the price, weighted 29%.

Having the annual report filed in the fee counted for more than SD Registered Agent.org's smaller three-year bill.

Questions

State fee to form an LLC in South Dakota?

South Dakota charges $150 to file. Our picks charge $199 in year one.

What fee comes with the South Dakota annual report?

Due due during the entity's anniversary month; fee $55, every year. Late: $50.

South Dakota rank on LLC fees?

31st of 50 on three-year state fees: $260. Rank 1 is the smallest total.

State processing time for a new LLC?

Allow Paper 1 to 3 business days; online processed immediately.

Is a registered agent required in South Dakota?

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

Which LLC service do you pick?

Mainstay Filing: formation, registered agent and annual report all sit inside a single $199 fee. Then SD Registered Agent.org and South Dakota Registered Agent.co.

Other files

Basis for this page

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