Business Resources
State and federal resources for planning, registering, operating, and growing a business in South Dakota.
General information, not legal advice
Information provided by the Secretary of State's office about business registration is not legal advice. For advice about a specific business or filing, consult a qualified attorney, accountant, or other professional.
South Dakota
South Dakota business resources
State of South Dakota Business Resources
Find state services and information for starting, operating, and managing a business in South Dakota.
Browse state services →New Business Checklist
Review business formation, licensing, taxes, employer responsibilities, insurance, and other startup considerations.
Open the checklist →Department of Revenue
Find South Dakota business tax information, applications, online services, forms, and frequently asked questions.
Visit Revenue →Small Business Development Center
Connect with confidential business counseling, training, market research, and planning assistance.
Visit the SBDC →United States
Federal business resources
U.S. Small Business Administration
Find federal guidance on business planning, financing, contracting, counseling, and disaster assistance.
Visit SBA →IRS Business Information
Access federal tax information for businesses and self-employed individuals.
View IRS business guidance →IRS Charities and Nonprofits
Review federal tax-exemption requirements, annual filing obligations, and nonprofit resources.
View nonprofit guidance →Employer Identification Number
Learn whether a business needs an EIN and apply directly through the Internal Revenue Service.
Get EIN information →