2025 BOI rule update US entities are now exempt. Check if you still need to file →
We answer most inquiries within one business hour during US business days.
Start filing →
South Dakota . Professional Entity

South Dakota Professional LLC + Professional Corporation.

Licensed professionals in South Dakota . doctors, lawyers, accountants, architects, engineers, and others . often must form a Professional LLC (PLLC) or Professional Corporation (PC) rather than a standard entity. This guide explains who qualifies, the licensure requirements, and what differs in formation.

Form a South Dakota PLLC / PC →

Who must form a professional entity in South Dakota

South Dakota typically requires a Professional LLC or Professional Corporation for state-licensed services including:

  • Medical: physicians, surgeons, dentists, psychologists, chiropractors, optometrists.
  • Legal: attorneys and law firms.
  • Accounting: CPAs.
  • Engineering + Architecture: licensed PEs and architects.
  • Real estate: brokers in some South Dakota jurisdictions.
  • Other professionals licensed under South Dakota occupational codes.

How South Dakota professional entities differ from standard LLCs

Owner licensure requirement

All members or shareholders must be licensed in the same profession the entity practices.

Licensure board approval

South Dakota licensing boards (medical, bar, accountancy) often must approve formation documents before the SD Secretary of State files them.

Naming requirements

Entity name must include PLLC, PL, P.C., or similar designation depending on form chosen.

Personal liability for malpractice

A PLLC or PC protects against business liabilities but not against professional malpractice. Carry insurance.

FAQ

Frequently asked questions

Do I need a PLLC instead of an LLC in South Dakota?
If you are a licensed professional and {s["name"]} requires the PLLC form for your profession . yes.
Can a non-licensed person own a South Dakota PLLC?
Generally no. All members must be licensed in the same profession.
How does a South Dakota PLLC differ from a standard LLC?
Owner licensure required, licensure board approval typically required, naming designation different, malpractice liability still personal.
Does a South Dakota PLLC protect me from malpractice claims?
No. It protects against general business liability only. Carry professional liability insurance for malpractice.
What is a Professional Corporation (PC) in South Dakota?
A C-Corp or S-Corp variant for licensed professionals. Similar restrictions on ownership.
Can a South Dakota PLLC elect S-Corp taxation?
Yes, if all members are eligible S-Corp shareholders.
Does File.Business form professional entities in South Dakota?
Yes. We coordinate with the relevant licensing board and file with the {s["agency"]}.

Ready to handle this the easy way?

Five minutes per filing. State fee passed through at cost. Audit trail and deadline tracking included.

Form a PLLC or PC Talk to a specialist

Disclosure. File.Business is a private business filing and compliance service. We are not a government agency and are not affiliated with the SD Secretary of State or any Secretary of State office. You may file directly with the SD Secretary of State. Information on this page is for general guidance only and is not legal, tax, or accounting advice. Fees and deadlines verified against the SD Secretary of State as of June 2026 and may change. For entity-specific guidance, consult a licensed South Dakota attorney or CPA.

Form South Dakota PLLC →
File.Business is a private business filing and compliance service. We are not a government agency and are not affiliated with any Secretary of State office. You may file directly with the appropriate state agency. SOC 2 Type II audited. 220,000+ businesses formed since 2017.