Form a Business in New Hampshire

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Everything you need to form and maintain an LLC, Corporation, S-Corp, or DBA in New Hampshire. Filing fees, ongoing requirements, and tax treatment current for 2026 — sourced from the New Hampshire Secretary of State and the IRS.

New Hampshire business formation overview

If you're forming a business in New Hampshire, the four most common entity types are the LLC (most popular for solo founders and small partnerships), the C-Corporation (used by venture-funded startups), the S-Corporation (a tax election available to LLCs and corporations meeting IRS rules), and the DBA ("doing business as", a trade-name registration for sole proprietors and existing entities). Each has its own filing fee, ongoing report cycle, and tax treatment in New Hampshire.

The cheapest path to a registered business in New Hampshire is the LLC at $100 for the Articles of Organization. A C-Corporation costs $100 for the Articles of Incorporation, and a DBA registration is $50. After formation you'll have ongoing obligations: an annual report ($100, annual), a registered agent with a physical New Hampshire address, and any applicable franchise or income tax: Business Profits Tax.

New Hampshire at a glance (2026)

LLC filing fee$100
Corporation filing fee$100
DBA fee$50
Annual report$100 annual
Franchise taxBusiness Profits Tax

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Frequently asked questions about forming a business in New Hampshire

How much does it cost to form an LLC in New Hampshire?

The state filing fee is $100 to file Articles of Organization with the New Hampshire Secretary of State. Optional add-ons (registered-agent service, expedited filing, certified copies) are extra. See our cost breakdown for the full picture.

Does New Hampshire require an annual report?

Yes — New Hampshire requires an annual report at $100 (annual). Missing the deadline triggers late fees and eventually administrative dissolution.

What is the franchise tax in New Hampshire?

Business Profits Tax Always confirm rates with the New Hampshire Department of Revenue or your tax advisor before filing.

Do I need a registered agent in New Hampshire?

Yes. Every LLC and Corporation registered in New Hampshire must designate a registered agent with a physical street address in the state who can accept legal process during business hours. You can serve as your own agent, appoint a co-owner, or hire a commercial registered-agent service.

Sources & further reading

Disclaimer: Legal information, not legal advice. For advice about your specific situation, consult a licensed attorney or CPA in your state. See our full disclaimer.