How to Start an LLC in South Dakota (Guide)
Starting a Limited Liability Company (LLC) in South Dakota is a smart move for anyone who wants to protect their personal assets, keep taxes simple, and run a business with confidence.
Need it done fast? Filing Fox can take care of the entire process for you — just email [email protected] and focus on your business!
- Same-Day Scans, Instant Notifications
- Privacy by Default
- Business Address
- Instant Domain, Website, Email & Business Phone
📌 South Dakota LLC Filing Fees
$50/year — Annual Report fee to keep your LLC in good standing.
You can file online for immediate approval or by mail (which takes a few business days plus mail time).
Ready to start your LLC?
Start my LLCMake sure your business name is unique and follows South Dakota’s naming rules.
- Search availability: Use the Business Information Search.
- Tip: Filing Fox can run the name search and handle the paperwork for you.
Every SD LLC must list a Registered Agent with a physical South Dakota street address (no P.O. Boxes). They receive legal mail and state notices for your company.
- Choose yourself, a trusted contact, or a professional service.
- Filing Fox keeps your personal address off public records and securely uploads your documents.
This filing officially creates your LLC.
- Fee: $150 (online)
- Approval: Often immediate when filed online
- Prefer hands-off? Filing Fox will prepare and submit everything accurately so you don’t have to.
An internal document that outlines ownership and management (not filed with the state).
- Helps with banking, taxes, and protecting your LLC status
- Filing Fox provides free, customizable templates and guidance.
Your EIN (Federal Tax ID) is required to pay taxes, open a business bank account, and apply for licenses.
- Free from the IRS: Apply online via IRS.gov.
- Filing Fox can assist with this step too.
✔️ What to Do After Your LLC is Approved
-
Open a business bank accountThis keeps your business and personal finances separate, which is crucial for protecting your personal assets.
-
Get any local licenses or permitsWhile South Dakota doesn’t have a general state license, your city or county might.
-
Stay organizedKeep your Operating Agreement, EIN confirmation, and Annual Reports in a safe place.
📈 Why Work with Filing Fox?
Forming your LLC on your own is possible, but it can get complicated fast. Filing Fox makes it simple by:
✅ Handling name searches and filings
✅ Providing Registered Agent services to keep your personal address private
✅ Preparing your Operating Agreement and EIN paperwork
✅ Reminding you about Annual Reports so you stay in good standing
✅ Supporting you with real humans who care about your success
When you’re ready to get started, just email [email protected] — we’re here to make your LLC formation stress-free.

