How to set up a new business in South Dakota
Starting a business in South Dakota is your chance to take control of your future and embrace independence. While it may appear to be a challenging endeavor, the process is actually straightforward and involves only a few essential steps. We're here to provide guidance as you embark on your journey to launch your business in The Mount Rushmore State. Let's explore the necessary steps to get started.
If you plan to open your service business, there are a few steps for you to follow.
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Choosing a business name
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Deciding on a business form
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Registration & legal steps
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Practical tips and information
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& more
Are you from another state?
Check out other guides if you need more detailed information about different states. You can click the state you are interested in on our map or choose it from the list below.
Choose a business name
Selecting the ideal name for your business is a pivotal step in establishing your brand's identity. Your business name should be unique, memorable, and a true reflection of your brand's values and mission. To ensure your chosen name is available in South Dakota, it's essential to conduct a thorough search in the Secretary of State's database. This search will help verify that no other business in the state is already using the same name, which is a legal requirement. When making your choice, consider the following:
- Does the name clearly convey your business's purpose?
- Is it easy to spell and pronounce?
- Is it distinctive and unlikely to be confused with existing businesses?
- Does it resonate with your target audience?

Register your Assumed Business Name
Once you have decided on a name for your company, it is important to take the necessary steps to register and secure it. To begin the registration process, simply complete Trade Name Registration found on the South Dakota Secretary of State website. There is a fee of $10 associated with this registration, and you have to renew your DBA every five years if you continue using it.

Decide on business structure
Choosing your business structure is a pivotal decision that forms the very bedrock of your enterprise. It has a profound impact on legal responsibilities, taxation, management, and growth strategies. Here, we'll delve into three common options:
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Sole Proprietorship: This is the simplest form, ideally suited for solo entrepreneurs. As a sole proprietor, you wield complete control but assume full personal liability for business debts.
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Limited Liability Company (LLC): An excellent fusion of simplicity and liability protection, LLCs offer the flexibility of sole proprietorship while safeguarding your personal assets from business liabilities. It's a popular choice for small businesses.
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Partnership: Partnerships arise when two or more individuals join forces. They can be general (where all partners share liability) or limited (where some partners have limited liability). Partnerships entail shared decision-making but may involve complex agreements.
These structures come with distinct advantages and considerations. The key lies in selecting the one that aligns most effectively with your unique business goals and vision.

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Register your business
Registering your business is fundamental in giving it legal recognition and ensuring adherence to state requirements. The procedure can vary based on your chosen business structure. Below is an overview of the registration process for South Dakota's sole proprietorships, LLCs, and partnerships. Choose the option that suits your business type to dive deeper into the registration specifics.
Check the South Dakota Secretary of State's website if you want to start your business online.
How To Start A Sole Proprietorship:
Starting a sole proprietorship in South Dakota is a straightforward process. There are no complex formalities or fees involved, making it an ideal choice for entrepreneurs looking to launch their own ventures. To begin, simply start working.
However, while the process is simple, there are additional steps that can be beneficial. Although not strictly required, many sole proprietors find them advantageous.
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First, consider acquiring a "Doing Business As" (DBA) name. A DBA allows you to use an assumed business name rather than your personal name, which can enhance professionalism and customer trust. It also enables you to open a business bank account under your DBA name.
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Additionally, determine your tax obligations. Sole proprietors often use their Social Security Number for tax purposes, but obtaining an Employer Identification Number (EIN) is advisable for privacy. Be aware of sales tax obligations if you sell products and research other applicable state taxes.
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Finally, be aware of licenses and permits. Specific industries may need additional licenses or permits. Always ensure compliance with local regulations as well.
Three primary partnership models exist:
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General Partnership: No complex formalities or fees are involved, but you don't have limited liability, which means you are responsible for all debts and losses.
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Limited Partnership (LP): LPs feature limited and general partners. Limited partners hold no liability beyond their investment, while general partners maintain full liability.
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Limited Liability Partnership (LLP): LLPs safeguard partners from uninvolved debts, particularly favored by high-liability professionals. LLPs adhere to general partnership taxation.
Commencing a Partnership:
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Register the Business Name: Verify availability in the state's Business Database and register it with South Dakota's government.
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Complete Necessary Paperwork: For GP, you don't need any documents, but you can consider filling out DBA; LPs must file Certificate of Limited Partnership with the Secretary of State (it will cost $125); LLPs must file a Statement of Qualification with the Secretary of State (it will cost $125).
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Secure an EIN and Licenses: Secure an Employer Identification Number (EIN) from the IRS when hiring employees. Explore additional state licenses and tax obligations based on your business activities.
Establishing an LLC:
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Articles of Organization: To establish your LLC officially, you must file Articles of Organization with the South Dakota Secretary of State. This document includes essential details about your LLC, such as its name, registered agent, and principal office address. The filing fee for this document is $165, but you can do it online for $150.
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Registered Agent Appointment: Designating a registered agent is mandatory for all South Dakota LLCs. This agent accepts legal documents and official mail on behalf of your LLC. You can choose an individual or a business entity to serve as your registered agent.
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Operating Agreement: While not filed with the state, drafting an Operating Agreement is recommended. This internal document outlines the rules and structure of your LLC, including member roles and responsibilities. Legal fees for creating this document can vary.
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Annual Report: South Dakota requires LLCs to file an annual report, which includes updated information about your business.
Starting an LLC in South Dakota entails document preparation and filing fees, which vary depending on your specific circumstances and needs. Consult with professionals or use online services to streamline the process and ensure compliance with state regulations.
Obtain EIN
Securing an Employer Identification Number (EIN) is a pivotal step in business registration. This unique nine-digit number, also known as a Federal Tax ID Number, is crucial for your business's identity, similar to how a social security number works for individuals.
An EIN is required for several reasons:
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Taxation: It's used to file federal taxes, withhold employee taxes, and report business income.
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Hiring Employees: If your business plans to hire employees, an EIN is necessary for payroll and tax withholding.
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Opening Business Bank Accounts: Most banks require an EIN to open a business bank account, separating personal and business finances.
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Legal Compliance: It's needed for legal documentation, contracts, and specific business licenses.
The application process is typically straightforward and can be done online through the IRS website. Once you have your EIN, you'll use it for various financial and legal purposes to ensure your business operates smoothly and complies with tax regulations.

Obtain licenses and permits
This procedure encompasses the identification of the particular permits essential for your business, compliance with local zoning regulations, and meeting state regulatory prerequisites. The proper acquisition of these licenses and certificates is fundamental to guarantee that your business operates in accordance with the law, thereby avoiding potential issues in the future.
South Dakota enforces particular state-level licenses and permits across diverse business types and industries. It is vital to determine which licenses and permits are relevant to your business operations at the state level. Be sure to complete the required applications and fulfill all prerequisites to sustain compliance and prevent any potential legal issues.
Obtain licenses and permits
This procedure encompasses the identification of the particular permits essential for your business, compliance with local zoning regulations, and meeting state regulatory prerequisites. The proper acquisition of these licenses and certificates is fundamental to guarantee that your business operates in accordance with the law, thereby avoiding potential issues in the future.
Acquire customers
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