How much does it cost to form an LLC in South Dakota in 2026?

Domestic Articles of Organization cost $150 online, or $165 by paper filing. Plan for another $50 to $125 per year for a commercial registered agent with a South Dakota street address, and $55 each year for the annual report. A first-year South Dakota LLC with a commercial agent typically spends around $250 to $300 in combined state and agent fees.

Does South Dakota have an annual report for LLCs?

Yes. South Dakota LLCs file an annual report by the first day of the LLC's anniversary month each year. The online fee is $55; paper filings are $70. Missing the deadline eventually leads to administrative dissolution, so the anniversary date matters even though the dollar amount is small.

Do South Dakota LLCs pay state income tax?

No. South Dakota has no individual income tax and no corporate income tax. An LLC taxed as a partnership, disregarded entity, or C-corp owes zero state income tax on its business income. Members still pay federal tax and any tax owed to the state they personally live in.

How long does it take to form a South Dakota LLC?

Online filings through SoSEnterprise typically clear in 1 business day, often the same day. Mail filings take around 5 business days once the paperwork arrives in Pierre. If you need a guaranteed fast turnaround, South Dakota offers 24 hours expedited service at $50 on top of the regular filing fee.

Why is the South Dakota foreign LLC fee so high?

Foreign LLC registration in South Dakota costs $750 under the SoS filing fee schedule, compared with $150 to form a new domestic LLC. The state has not meaningfully lowered this fee in years, and the gap is large enough that many out-of-state founders who would otherwise register here end up forming a new domestic entity or skipping South Dakota registration where they can. If you only do occasional business in South Dakota, check whether your activity actually crosses the 'transacting business' threshold before paying $750.

Should I form my LLC in South Dakota instead of my home state?

Usually no, unless you actually live or operate in South Dakota. Most founders who like the no-income-tax profile end up better served by Wyoming, which has a cheaper annual fee at $60 and a foreign LLC fee of $150 rather than $750. If you move to South Dakota, form here. If you are still living and working somewhere else, form there and revisit this question later.

Does South Dakota require an operating agreement?

No. SDCL 47-34A-103 recognizes operating agreements that are written, oral, or implied and does not require one to be filed with the state. A written agreement is still strongly advised for any multi-member LLC, since without one the statutory defaults govern voting, distributions, and what happens when a member leaves.

Is there a publication requirement for South Dakota LLCs?

No. SDCL 47-34A contains no newspaper publication requirement for LLC formation. Only New York, Arizona, and Nebraska still impose publication on LLCs, so the South Dakota filing is complete once the Articles of Organization clear the Secretary of State.

South Dakota LLC: fees, filing steps, and 2026 costs

$150 Filing fee Online filing available

$305 Year 1 estimate Filing + first year tax + RA

1 day (expedited 24h) Approval Mail ~5d

$55 annual report Ongoing

Where South Dakota fits, and where it doesn't

Good fit for South Dakota

You live in South Dakota and operate from a South Dakota address, whether that is agriculture, a Sioux Falls services business, or a tourism operation in the Black Hills. You are moving to South Dakota as a full-time resident and want to form your LLC at the same time. You hold SD real estate and want a single-state entity on the deed. You want the no-income-tax advantage of Wyoming with slightly faster processing and an actual expedited tier, and you are genuinely domiciled here rather than borrowing the state for paperwork.

Skip South Dakota when

You live in Minnesota, Iowa, or anywhere else and are registering your existing LLC as a foreign LLC in South Dakota so you can do deals here. The $750 foreign LLC fee is roughly five times the domestic rate and one of the highest in the country. You are a non-resident trying to pick between Wyoming and South Dakota for a privacy or no-income-tax play; Wyoming is cheaper to form, cheaper to maintain at $60 per year, and does not punish out-of-state registration the same way. For a pure holding entity with no South Dakota ties, almost any other no-income-tax state is a better match.

What a South Dakota LLC actually costs

Formation filing fee Paid once at formation $150
Commercial registered agent Annual, estimate $100
Annual report fee Annual $55
Year 1 total estimate Formation plus first-year ongoing $305

Registered agent estimate uses a $100 midpoint. Specialist agents start around $50 per year. Full-service formation companies bundle RA for $125 to $200.

Cost across the first three years

Year 1 $305

Year 2 $155

Year 3 $155

How South Dakota compares on the basics

Online filing File through state portal

Yes

Expedited processing $50 for 24h

Yes

Annual report required Separate report on top of tax

Yes

State-imposed annual tax None beyond income tax

Written operating agreement required Recommended, not statutorily required

Recommended

Newspaper publication requirement Not required in this state

State sales tax 4.2% state rate

4.2%

How to apply for an LLC in South Dakota

Pick a compliant LLC name
The name must end in "Limited Liability Company," "LLC," or an approved abbreviation, and must be distinguishable from every other entity on the South Dakota Secretary of State record. Check availability at the South Dakota entity search.
Designate a registered agent
Every South Dakota LLC is required to have a registered agent with a physical street address in South Dakota. You can serve as your own agent if you live in South Dakota, or hire a commercial service for $99 to $249/yr. See the South Dakota registered agent guide.
File Articles of Organization (Domestic Limited Liability Company)
Filing fee is $150. Online filing is available through the state portal. Mail filings are accepted. Paid expedite is available for $50.
Apply for a federal EIN
Free directly from the IRS in about 15 minutes (see the EIN guide). Required for opening a business bank account, hiring employees, and most formation-service tax workflows.
Adopt an operating agreement
South Dakota does not require an operating agreement by statute, but adopting one is strongly recommended to preserve the liability shield. See the operating agreement pillar for the 12 clauses every agreement should include.

Filing walkthrough

You file Articles of Organization through the SD Secretary of State's SoSEnterprise portal at sosenterprise.sd.gov. Online filing costs $150 and typically clears in 1 business day. Paper filings through the mail cost $165 (an extra $15 surcharge) and take around 5 business days. South Dakota also offers an expedited tier at $50 for 24 hours turnaround, which is rarely necessary given how fast the standard online path already runs.

Every South Dakota LLC needs a registered agent with a South Dakota street address; commercial agents charge the usual $50 to $125 per year. The Articles of Organization form is short: name, duration, principal office, registered agent, and management structure. Foreign LLCs register on a separate Certificate of Authority at $750, which is the number worth noticing if you are comparing South Dakota against your home state. The domestic filing is cheap; the foreign filing is not.

Check name availability File online South Dakota formation guidance

How South Dakota taxes an LLC

South Dakota has no individual income tax and no corporate income tax. An LLC taxed as a partnership, disregarded entity, or C corporation all owe zero South Dakota income tax on business income. That is the headline reason founders look at South Dakota alongside Wyoming, Nevada, and Florida when they have no ties to a higher-tax state.

There is also no general franchise or privilege tax on LLCs. A narrow bank franchise tax under SDCL 10-43 applies only to chartered banks and savings institutions, which is why credit card companies park charters here; it does not touch an ordinary operating LLC.

The revenue side of the budget runs on sales and use tax. The statewide rate is 4.2%, with municipalities able to layer up to another 2% on top. If your LLC sells taxable goods or services in South Dakota, you register with the Department of Revenue for a sales tax license. Federal tax and any tax owed to the state you personally live in still apply. South Dakota's zero does not erase a California or Minnesota obligation any more than Wyoming's does.

Ongoing compliance and costs after year one

Budget $55 a year filed online (or $70 if you file on paper), plus $50 to $125 for a registered agent. The annual report is due on the first day of the LLC's anniversary month through the SoSEnterprise portal. Miss that deadline and the state eventually administratively dissolves the entity. There is no franchise tax minimum, no separate privilege tax, and no publication requirement sitting behind the headline fee.

If you are a non-resident weighing South Dakota against the other no-income-tax states, the $750 foreign LLC fee is the number that kills most arbitrage cases. Wyoming's annual fee is $60 and its foreign registration is $150. South Dakota's $150 domestic is competitive; its foreign number is not. Pick South Dakota because you live here, not because you are trying to shortcut another state.

Common mistakes forming a South Dakota LLC

Two patterns worth flagging. First, filers who form a South Dakota domestic LLC from out of state thinking they have saved money, then discover they still have to register as a foreign LLC back home. The $150 domestic fee plus whatever their home state charges for foreign qualification usually costs more than just forming at home in the first place. Second, filers who file on paper without realizing the online path is cheaper and faster. The paper surcharge adds $15 to both the formation filing and the annual report, and the mail timeline adds roughly two weeks. Unless you have a specific reason to file paper, SoSEnterprise is the better route.

State agencies that handle South Dakota LLCs

South Dakota Secretary of State - Business Services

Website: sdsos.gov
Phone: (605) 773-4845
Email: corpinfo@state.sd.us
Mail: Capitol Building, 500 East Capitol Avenue, Suite 204, Pierre, SD 57501-5070
Office: 215 E. Prospect Avenue, Pierre, SD 57501
Hours: 8:00 AM to 5:00 PM Central, Monday to Friday

South Dakota Department of Revenue

Website: dor.sd.gov
Phone: (605) 773-3311
Mail: 445 E Capitol Avenue, Pierre, SD 57501
Hours: 8:00 AM to 5:00 PM Central, Monday to Friday

Frequently Asked Questions

How much does it cost to form an LLC in South Dakota in 2026?

Domestic Articles of Organization cost $150 online, or $165 by paper filing. Plan for another $50 to $125 per year for a commercial registered agent with a South Dakota street address, and $55 each year for the annual report. A first-year South Dakota LLC with a commercial agent typically spends around $250 to $300 in combined state and agent fees.
Does South Dakota have an annual report for LLCs?

Yes. South Dakota LLCs file an annual report by the first day of the LLC's anniversary month each year. The online fee is $55; paper filings are $70. Missing the deadline eventually leads to administrative dissolution, so the anniversary date matters even though the dollar amount is small.
Do South Dakota LLCs pay state income tax?

No. South Dakota has no individual income tax and no corporate income tax. An LLC taxed as a partnership, disregarded entity, or C-corp owes zero state income tax on its business income. Members still pay federal tax and any tax owed to the state they personally live in.
How long does it take to form a South Dakota LLC?

Online filings through SoSEnterprise typically clear in 1 business day, often the same day. Mail filings take around 5 business days once the paperwork arrives in Pierre. If you need a guaranteed fast turnaround, South Dakota offers 24 hours expedited service at $50 on top of the regular filing fee.
Why is the South Dakota foreign LLC fee so high?

Foreign LLC registration in South Dakota costs $750 under the SoS filing fee schedule, compared with $150 to form a new domestic LLC. The state has not meaningfully lowered this fee in years, and the gap is large enough that many out-of-state founders who would otherwise register here end up forming a new domestic entity or skipping South Dakota registration where they can. If you only do occasional business in South Dakota, check whether your activity actually crosses the 'transacting business' threshold before paying $750.
Should I form my LLC in South Dakota instead of my home state?

Usually no, unless you actually live or operate in South Dakota. Most founders who like the no-income-tax profile end up better served by Wyoming, which has a cheaper annual fee at $60 and a foreign LLC fee of $150 rather than $750. If you move to South Dakota, form here. If you are still living and working somewhere else, form there and revisit this question later.
Does South Dakota require an operating agreement?

No. SDCL 47-34A-103 recognizes operating agreements that are written, oral, or implied and does not require one to be filed with the state. A written agreement is still strongly advised for any multi-member LLC, since without one the statutory defaults govern voting, distributions, and what happens when a member leaves.
Is there a publication requirement for South Dakota LLCs?

No. SDCL 47-34A contains no newspaper publication requirement for LLC formation. Only New York, Arizona, and Nebraska still impose publication on LLCs, so the South Dakota filing is complete once the Articles of Organization clear the Secretary of State.
How do I apply for an LLC in South Dakota?

Apply for an LLC in South Dakota by filing Articles of Organization (Domestic Limited Liability Company) with South Dakota Secretary of State - Business Services. The filing fee is $150. Online filing is available through the state portal. Approval typically takes 1 business day online. Mail filings take about 5 business days. Before filing, pick a registered agent (see the South Dakota registered agent guide) and confirm your business name is available using the state's entity search.

Compare South Dakota to another state

Side-by-side breakdowns of fees, taxes, approval time, and compliance. Every other US jurisdiction has a dedicated compare page against South Dakota.

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South Dakota vs Louisiana

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South Dakota vs Pennsylvania

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South Dakota vs Rhode Island

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South Dakota vs South Carolina

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South Dakota vs Utah

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Sources

Filing fee: sdsos.gov/general-information/filing-fees.aspx · verified April 21, 2026
SD SoS filing fee schedule: Domestic LLC Articles of Organization filed electronically online is $150; filed via paper is $165 (includes the $15 paper filing fee). Online is the default; filingFee captures the online amount.
Expedited filing: sdsos.gov/general-information/filing-fees.aspx · verified April 21, 2026
SD SoS offers expedited processing for any filing at an additional $50 flat fee, defined as completion sooner than the normal course of business on request. Typical expedited turnaround is 24 hours.
Foreign LLC registration fee: sdsos.gov/general-information/filing-fees.aspx · verified April 21, 2026
Foreign LLC Certificate of Authority online filing fee is $750; paper is $765 (includes $15 paper filing fee). This is materially higher than the $150 domestic fee; South Dakota is one of the most expensive states for foreign LLC registration.
Operating agreement requirement: sdlegislature.gov/Statutes/47-34A · verified April 21, 2026
SDCL 47-34A (Uniform Limited Liability Company Act) defines an operating agreement under 47-34A-103 as any valid agreement, written or oral, governing relations among members, managers, and the LLC. The statute does not require the operating agreement to be in writing.
Publication requirement: sdlegislature.gov/Statutes/47-34A · verified April 21, 2026
SDCL 47-34A contains no newspaper publication requirement for LLC formation. Only NY, AZ, and NE require publication.
Annual report fee: sdsos.gov/general-information/filing-fees.aspx · verified April 21, 2026
SD SoS filing fee schedule: LLC Annual Report filed electronically online is $55; filed via paper is $70 (includes the $15 paper filing surcharge). Due first day of the anniversary month each year.
Franchise tax: dor.sd.gov/businesses/taxes/ · verified April 21, 2026
SD Department of Revenue confirms South Dakota does not impose a general corporate income tax or franchise tax. A narrow bank franchise tax applies only to financial institutions under SDCL 10-43.
Corporate income tax rate: dor.sd.gov/businesses/taxes/ · verified April 21, 2026
South Dakota has no corporate income tax. Field set to null.
Sales tax rate: dor.sd.gov/businesses/taxes/sales-use-tax/ · verified April 21, 2026
SD Department of Revenue: the state sales and use tax rate is 4.2%. Municipalities may impose up to 2% additional general sales tax.
Business name search: sosenterprise.sd.gov/BusinessServices/Business/FilingSearch.aspx · verified April 21, 2026
SD SoS Enterprise business information search. Use before filing Articles of Organization to confirm name availability.
Online filing portal: sosenterprise.sd.gov/BusinessServices/Business/RegistrationInstr.aspx · verified April 21, 2026
SD SoS Enterprise online business registration portal. Online LLC filings are typically approved immediately or within one business day; paper filings take about 3-5 business days plus mail transit.
Certificate of Formation form: sdsos.gov/docs/business/llc-domestic-articlesoforganization.pdf · verified April 21, 2026
Official Domestic LLC Articles of Organization fillable PDF published by the SD SoS, used for paper filings.

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