New Hampshire Professional LLC + Professional Corporation.
Licensed professionals in New Hampshire . 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 New Hampshire PLLC / PC →Who must form a professional entity in New Hampshire
New Hampshire 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 New Hampshire jurisdictions.
- Other professionals licensed under New Hampshire occupational codes.
How New Hampshire professional entities differ from standard LLCs
All members or shareholders must be licensed in the same profession the entity practices.
New Hampshire licensing boards (medical, bar, accountancy) often must approve formation documents before the NH Secretary of State files them.
Entity name must include PLLC, PL, P.C., or similar designation depending on form chosen.
A PLLC or PC protects against business liabilities but not against professional malpractice. Carry insurance.
Frequently asked questions
Do I need a PLLC instead of an LLC in New Hampshire?
Can a non-licensed person own a New Hampshire PLLC?
How does a New Hampshire PLLC differ from a standard LLC?
Does a New Hampshire PLLC protect me from malpractice claims?
What is a Professional Corporation (PC) in New Hampshire?
Can a New Hampshire PLLC elect S-Corp taxation?
Does File.Business form professional entities in New Hampshire?
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Disclosure. File.Business is a private business filing and compliance service. We are not a government agency and are not affiliated with the NH Secretary of State or any Secretary of State office. You may file directly with the NH 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 NH Secretary of State as of June 2026 and may change. For entity-specific guidance, consult a licensed New Hampshire attorney or CPA.