South Dakota LLC Cost: $150 Online to File (2026)

Make your South Dakota business official. Have your LLC paperwork prepared and filed so you can focus on getting your business off the ground.

• Your business name checked before filing.
• Your formation paperwork prepared and submitted.
• Your formation documents together in an online account.

$0 service fee + $150 online state filing fee

Start my South Dakota LLC

Filing service by ZenBusiness. Choose Starter for the $0 service fee. State follow-up charges and optional services and renewals are separate.

We may earn a commission if you buy through our links, at no additional cost to you.

Get the paperwork handled and your company underway

With ZenBusiness, you provide the details and its team handles the South Dakota formation filing. You get electronic documents and customer support by phone, chat and email.

Use your approved LLC records to open a company bank account, organize your ownership agreement and do business under the company name. The state-specific costs and next steps below help you plan what comes after approval.

What it costs to start a South Dakota LLC

A South Dakota LLC costs $150 to file Articles of Organization ($165 paper incl. $15 paper fee) with the South Dakota Secretary of State. Online filings are typically processed immediately; paper averages about 1–3 business days.

Start with the SD SOS filing fees and the South Dakota Secretary of State filing resources. These are government charges, separate from anything a formation company bills you.

Budget example: $150 for formation plus the recurring state filing in the table is the lean government path—before insurance, local permits, or professional help.

No South Dakota SOS franchise tax is identified beyond the annual report fee. Revenue registrations are separate.

Choose the services you want with your filing

Starter’s base formation service does not renew. Registered-agent service, an EIN service, an operating agreement and faster preparation are optional purchases.

The preselected website-builder trial renews at $15/month after 30 days; you can remove it at checkout. Optional Worry-Free Compliance is free for the first year and renews at $199/year. Registered-agent service is listed separately at $199/year; first-year promotions may differ.

Review the services and renewal terms in your order. Provider details checked October 14, 2026 against ZenBusiness’s formation plans.

How to start your South Dakota LLC

Use your company details to get the formation paperwork prepared and submitted. Here is how the filing service works:

1. Enter your business details. Choose South Dakota, your company name and the information requested for the filing.
2. Review your services and order. Select Starter for the $0 base service fee. ZenBusiness prepares and submits the formation document from your answers.
3. Save your approved company records. Once the filing office accepts the paperwork, use the documents to finish your banking and business setup.

Your South Dakota filing checklist and required next steps

1. Check the name on the SOS search; include LLC/L.L.C./Limited Liability Company (or allowed variants). Reservation $25.
2. Gather principal office, South Dakota registered agent, and organizer details.
3. Decide management structure for the Articles.
4. File online for $150 via SOSEnterprise (paper $165).
5. Save the acknowledgment PDF and receipts; online filings may not mail a paper certificate.

Check your proposed name in the South Dakota business search.

Name availability on a search screen is not a trademark opinion and does not reserve exclusive statewide branding rights. If the brand matters, consider federal trademark searching separately from SOS formation.

How long does approval take?

Online formations are generally immediate after payment. ZenBusiness preparation (often 7–10 business days) is separate from SOS processing.

Can I file directly with South Dakota?

Yes. You can prepare and submit the filing yourself through the South Dakota official LLC filing service. A formation service handles preparation and submission from the information you provide. The government charges and required follow-up steps above still apply.

Choose your South Dakota registered agent

South Dakota requires continuous maintenance of a registered agent who can accept service of process in the state. Choose someone—or a commercial service—who will actually be available during business hours.

You can serve as your own agent if you continuously maintain a registered agent with a proper South Dakota address. A member may serve when eligible. If you lack a stable in-state street address, a commercial agent may be more practical.

Plan addresses before filing. SOS records are public; hiring an agent does not privatize every field.

South Dakota LLC annual report: what happens after formation?

The annual report updates the state’s business record; it is not an income-tax return. Budget $55 online (or $70 paper). Delinquent annual reports list a $55 late fee on the SOS schedule. Set reminders, verify the email on file, and save confirmations.

Online certificates are often available as a color PDF at payment—download before leaving the confirmation screen, because re-download options can be limited after you navigate away.

Get your South Dakota LLC filing underway

Put the formation paperwork in ZenBusiness’s hands. Starter has a $0 service fee plus the applicable South Dakota charges detailed above.

Start my South Dakota LLC

Continue to ZenBusiness to enter your details and review your order. Optional services and renewal details.

We may earn a commission if you buy through our links, at no additional cost to you.

Put your approved LLC to work

• Document how the LLC works. An operating agreement can set ownership, contributions, decision-making, distributions, and exit arrangements. South Dakota’s filing office generally does not require you to file the agreement with the formation paperwork—keep it with your company records. For multiple owners, resolve disagreements before money or contracts are committed.Use the basic LLC operating agreement tool as a starting point.
• Get an EIN when needed. Form the entity first, then use the free IRS application if eligible. A paid EIN service handles the application for you. Save the confirmation for banking and tax records.
• Open your business bank account. Ask the bank for its document checklist and establish a bookkeeping process. Use the correct legal business name on applications and contracts; keep any trade-name registrations consistent.
• Complete taxes and operating approvals. LLC formation does not itself select S-corporation taxation or issue a professional license. The IRS explains LLC tax classifications. Identify the state and local requirements for your actual work before opening.
• Check the current BOI rule. As of this review, FinCEN exempts entities created in the United States from beneficial-ownership reporting. A newly created domestic LLC generally falls within that exemption. Consult FinCEN directly for the current rule.

Insurance guidance for your South Dakota business

Match coverage to your services, employees, equipment and client contracts. Start with the relevant guide:

• South Dakota cleaning business insurance
• South Dakota food truck insurance
• South Dakota HVAC insurance
• South Dakota landscaping insurance
• South Dakota daycare insurance

Continue with the South Dakota business guide for the broader startup process.

Keep a simple compliance folder: filed Articles, EIN letter, operating agreement, registered-agent contract, and every annual/franchise confirmation. When you hire a bookkeeper or attorney later, that folder saves hours.

After the state accepts the filing, update your contracts, invoices, and bank applications to use the exact legal name—including the LLC designator—unless you have also registered a trade name where required.
Mismatched names are a common reason banks and payment processors ask for extra paperwork.

Finally, revisit insurance once the entity exists. Clients and landlords often want the LLC named as the insured and may ask for additional insured status on certificates.
Entity paperwork alone does not transfer coverage from a personal policy to the company.

South Dakota annual-report timing

The annual report is due on the first day of the LLC’s anniversary month, beginning in the year after formation. Filing opens two months before the due date. The report becomes delinquent, and the $55 late fee applies, two months after the due date. See the South Dakota SOS filing portal and current SOS fee schedule.

South Dakota LLC questions before you start

This guide is for creating a new South Dakota LLC. If you already have an LLC formed in another state, check South Dakota’s foreign-entity registration requirements before creating a second company.

Page updated October 14, 2026. State-source review: September 14, 2026. ZenBusiness package terms checked October 14, 2026.