Ready to file in South Dakota?
The articles of organization prepared and filed for you, the state fee shown on its own line before you pay, and the approved copy emailed.
File your South Dakota LLCat america-llc-filing.com, or start on Standard Filings
What registering an LLC in South Dakota means
South Dakota keeps the register of companies formed under its law. Your LLC is on it the moment the South Dakota Secretary of State files Articles of Organization. From that day the company can open a bank account, sign contracts and be sued in its own name rather than yours. The registration does not include a federal tax number, a South Dakota tax account or a local business license; those come after and are separate registrations with other offices.
People use "register", "form" and "file" for the same act. In South Dakota the act is one document, Articles of Organization, and one fee, $150. The step-by-step for everything around it, from the operating agreement to the bank account, is in how to start an LLC in South Dakota; this page is about the registration itself.
- South Dakota
- Articles of Organization
- South Dakota
- The South Dakota Secretary of State (sosenterprise.sd.gov)
- South Dakota
- $150
- South Dakota
- Required; South Dakota street address
- South Dakota
- Online filings are processed immediately.
- South Dakota
- $50 expedite fee.
- South Dakota
- $55/year, due first day of anniversary month ($55 online, $70 by mail)
What it costs to register an LLC in South Dakota
The filing fee is set by South Dakota and is the same whether you file it yourself or a service files it for you. South Dakota charges $150 for the Articles of Organization.
- Amount
- $150
- Notes
- Paid once, to the state
- Amount
- $50 expedite fee.
- Notes
- Optional, set by the state
- Amount
- $55/year
- Notes
- Due first day of anniversary month ($55 online, $70 by mail)
- Amount
- $55, added by the state to a late report.
State fees verified October 2026 and set by the state, not by us. Online filing prices. Yearly costs, the five-year total and how South Dakota compares are in South Dakota LLC cost.
Step 1: Confirm South Dakota is the state to register in
Register where the company will actually operate. An LLC that does business in South Dakota but registers elsewhere has to register in South Dakota anyway, as a foreign LLC, and pay two states.
Wyoming, Delaware and Nevada come up because of privacy, case law or taxes. They make sense for a holding company or a business with no fixed location. A company that operates in South Dakota and registers somewhere else ends up registered in both. The comparison is in cheapest states to form an LLC.
Step 2: Clear the name with South Dakota
South Dakota requires a name distinguishable from every company on its records, with an LLC designator. Search the state's business records at sosenterprise.sd.gov before you file.
Rules on designators, restricted words and the distinguishability test are in LLC name rules. A rejection for a name conflict costs days and, in some states, a second fee.
Step 3: Name a South Dakota registered agent
South Dakota requires a registered agent with a South Dakota street address, available in business hours. On the filing: No agent signature/consent block on the form.
Who may serve, whether the agent signs, and what becomes public: South Dakota registered agent requirements.
Step 4: Prepare Articles of Organization
The South Dakota form asks for the company name with its LLC designator, the registered agent and its South Dakota street address, the principal or mailing address, and the organizer who signs. The articles are executed by the organizers (name, title, signature). No rule bars a filing service from acting as organizer, but its street address is printed on the filing. Everything on it becomes a public record; what South Dakota shows is listed below.
The document itself, and what every state's version asks for, is explained in articles of organization.
Step 5: File Articles of Organization and pay the $150 fee
Filed with the South Dakota Secretary of State (sosenterprise.sd.gov). The state fee is $150, paid once. South Dakota publishes this guidance on processing: Online filings are processed immediately.
Faster review: $50 expedite fee.
South Dakota takes the filing from the public at sosenterprise.sd.gov. Ready to file? The Articles of Organization prepared and filed for you, with the state fee on its own line: form your South Dakota LLC at america-llc-filing.com.
Step 6: Complete the South Dakota registrations that follow
One registration follows in South Dakota: (1) Annual report. Then the federal tax number and the operating agreement.
The order and the deadlines are in what to do after forming an LLC. The recurring state report is the one owners forget.
What becomes public when you register in South Dakota
Everything on Articles of Organization is a public record once South Dakota files it; anyone can pull it from the state's business search. On the South Dakota filing: Organizers' names and addresses; managers' names and addresses if manager-managed; optional beneficial owners. Members not required.
The articles are executed by the organizers (name, title, signature). No rule bars a filing service from acting as organizer, but its street address is printed on the filing. The operating agreement, the ownership split and the tax election are not filed with South Dakota and stay private. Do you need an operating agreement?
How long South Dakota takes to register an LLC
South Dakota publishes this guidance on processing: Online filings are processed immediately. Paid faster review is offered: $50 expedite fee. The figures are the state's own and move with its workload; a rejection for a name conflict or a missing agent consent restarts the clock. Every state's published time is in how long it takes to form an LLC.
Ready to register your South Dakota LLC?
Name checked, Articles of Organization prepared and filed with South Dakota, the $150 state fee on its own line, approved copy emailed.
After registration in South Dakota
The state registration is the first of several. These are the ones South Dakota owners run into, in the order they usually come up.
- Annual report. Due each year by the first day of the formation-anniversary month ($55 late fee if still unfiled 2 months later). Cost: $55 online / $70 paper.
- Federal tax number (EIN). Issued by the IRS after the state registration, at no charge; the bank asks for it. How to get one: South Dakota EIN number.
- Operating agreement. Not filed with South Dakota, but the document that says who owns the company and who can sign for it.
The recurring report is where most companies lose good standing. When it is due, file the South Dakota report at america-llc-filing.com, or the South Dakota LLC annual report page has the due date, fee, late penalty and portal.
Before you file in South Dakota
From South Dakota's published forms and filing instructions:
- Manager-managed LLCs need each manager's name and address.
Sources
The South Dakota facts on this page come from the state's own forms, fee schedules and statutes, read for the October 2026 fee audit. Fees change; the state's page is the final word.
Standard Filings is a filing service, not a law firm. This page is general information from South Dakota's published filing rules and fee schedules, not legal or tax advice.
South Dakota LLC registration FAQ
How much does it cost to register an LLC in South Dakota?+
South Dakota charges $150 to file the Articles of Organization, paid once to the state and the same whether you file yourself or use a service. After that, the recurring requirement is $55/year, due first day of anniversary month ($55 online, $70 by mail). State fees verified October 2026; the full picture is in South Dakota LLC cost.
Where do I register an LLC in South Dakota?+
With the South Dakota Secretary of State (sosenterprise.sd.gov). That is the only office that creates the company. Tax accounts, the registrations listed above and local licenses are registered separately afterwards.
How long does South Dakota take to register an LLC?+
South Dakota publishes this guidance on processing: Online filings are processed immediately. Paid faster review is offered: $50 expedite fee.
Do I need a South Dakota registered agent?+
Yes. South Dakota requires a registered agent with a South Dakota street address, available in business hours. On the filing: No agent signature/consent block on the form. Who may serve and what becomes public is in South Dakota registered agent requirements.
Can I register a South Dakota LLC from out of state?+
Yes. South Dakota takes filings from anyone, but the registered agent must have a South Dakota street address, so an out-of-state owner names a South Dakota resident or a registered agent company. If the company does business where you live, it registers there too, as a foreign LLC.
What do I file in South Dakota every year?+
South Dakota's recurring requirement: $55/year, due first day of anniversary month ($55 online, $70 by mail). Late: $55, added by the state to a late report.
More on South Dakota
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