South Dakota Filing
Form a business in South Dakota
We file every entity type directly with the South Dakota Secretary of State — LLC, Corporation, Nonprofit, and DBA. State fees and processing times are confirmed at checkout.
Start Your FilingChoose an entity type to file in South Dakota
South Dakota LLC
The most popular choice — liability protection with pass-through taxation.
Start filing →South Dakota Corporation
Best for raising capital, issuing stock, and going public.
Start filing →South Dakota S-Corporation
Tax savings on self-employment income for qualifying owners.
Start filing →South Dakota Nonprofit
501(c)(3) eligible — for charitable, educational, and religious organizations.
Start filing →What you get when filing in South Dakota
Direct state filing
We submit your paperwork directly to the South Dakota Secretary of State — no DIY forms.
Compliance built-in
Annual report reminders, registered agent, and state-specific compliance tasks tracked for you.
Expert support
U.S.-based filing experts available 7 days a week to answer state-specific questions.
Ready to file in South Dakota?
Most filings take only a few minutes to submit. Our team handles the paperwork.