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Home/Secretary of State directory/Professional LLC and PC/New Hampshire Professional LLC + Professional Corporation
New Hampshire . Professional Entity

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.

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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.
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Guide

Professional LLC and PC by state

The national explainer above this page: what changes between jurisdictions, and why.

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Secretary of State directory

Every filing the state business office takes, state by state.

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New Hampshire business filings

Every filing a business makes in New Hampshire, gathered on one page.

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Secretary of State phone number in New Hampshire

Secretary of State phone numbers, state by state

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Federal EIN in New Hampshire

The federal EIN, state by state

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Secretary of State DBA in New Hampshire

Secretary of State DBA, state by state

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Secretary of State business search in New Hampshire

Secretary of State business search, state by state

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Licensed professions

New Hampshire Professional Service Entity: at a glance.

PLLC or professional corporation filing for licensed professions (medical, legal, accounting, etc.).

Filing details

How New Hampshire handles Professional Service Entity.

New Hampshire Business SearchLook up any New Hampshire entity and read every status right.
Where to fileSecretary of State office, online portal, or by mail with the required fee.
TurnaroundStandard processing: 5-10 business days. Expedited service available for an additional state fee.
Required informationEntity name + ID, current officers and registered agent, principal office address.
Common pitfallsMismatched officer addresses, expired registered agent, missed prior reports causing administrative dissolution.
Frequently asked

New Hampshire Professional Service Entity questions.

What is a professional service entity in New Hampshire?

It is a special entity, a PLLC or professional corporation, that New Hampshire requires or offers for licensed professionals, doctors, lawyers, accountants, engineers, to deliver their services, with ownership generally limited to licensed people. A regular LLC often will not be accepted for licensed work, so we confirm the New Hampshire entity your profession requires before filing.

Who needs to form a professional entity in New Hampshire?

Typically state-licensed professionals whose boards require it, though which professions and whether it is mandatory vary by New Hampshire. Some states route all licensed professionals into a PLLC or PC; others make it optional. We check New Hampshire's rule for your specific license so you form the entity the board will accept.

What is the difference between a PLLC and a PC?

A PLLC is a professional LLC, pass-through and simpler, while a professional corporation follows corporate formalities and can elect S-corp or C-corp tax treatment; both restrict ownership to licensed professionals. New Hampshire may prefer or require one. We help you choose the New Hampshire professional entity that fits your practice and tax goals.

Does the New Hampshire board have to approve the entity?

Often yes: many New Hampshire licensing boards must certify or approve a professional entity's formation, an extra step a regular LLC skips, and skipping it can delay or void the filing. We coordinate the New Hampshire Secretary of State filing with the board approval so both are handled in the right order rather than one blocking the other.

How is a professional entity taxed in New Hampshire?

Like its base type: a PLLC is pass-through by default and can elect S-corp; a PC is taxed as a corporation unless it elects otherwise. The professional designation affects licensing and ownership, not the tax classification. We help you pick the New Hampshire tax treatment that fits a profitable practice.

Can I convert my regular New Hampshire LLC to a professional entity?

Often yes where New Hampshire allows, by amending to meet the professional requirements, confirming licensed ownership, and getting board approval. If you have been practicing through a standard LLC, correcting the structure matters. We handle the New Hampshire conversion so the entity and license align properly.

Can File.Business form a New Hampshire professional entity?

Yes. We confirm the New Hampshire requirement, prepare the PLLC or PC filing, coordinate any licensing-board approval, and set up the ownership and tax election, so your licensed practice operates through the entity New Hampshire actually requires rather than a standard LLC the board may reject.

Related

Related services

New Hampshire Secretary of StateOverview, contact, full filing index. Annual reportDue dates, fees, and how to file. Registered agentRequirements and renewal. Compliance calendarEvery deadline that touches your entity.

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