New Hampshire S-Corporation Compliance Guide

Everything you need to legally form and operate a S-Corporation in New Hampshire. Filing fees, tax forms, ongoing requirements, and the trade-offs of this structure.

Is a S-Corporation Right for You?

Best for

Profitable businesses generating $60K+ net income where owner can save 15.3% SE tax on distributions above reasonable salary.

Watch out for

Payroll requirement. More paperwork. Reasonable salary is IRS audit target. Max 100 shareholders, no foreign owners.

Tax treatment

Pass-through. Owner takes a 'reasonable salary' as W-2 wages; remainder is distribution (no SE tax on distributions).

ItemNew Hampshire Requirement
Formal state filing requiredYes — file Articles of Incorporation with the New Hampshire Secretary of State.
State filing fee$100
Federal tax form filedForm 1120-S
Employer Identification Number (EIN)Required — apply free at irs.gov (5 minutes online)
Registered agent requiredYes — must have a physical New Hampshire address available during business hours.
Annual/periodic reportannual — fee $100
State income taxNew Hampshire has no individual income tax.
Reasonable salary requirementYes — owner-employees must pay themselves a market-rate W-2 salary before taking distributions. IRS audit target.
Payroll setupRequired — need a payroll provider (Gusto, ADP, QuickBooks Payroll) to run owner W-2 and any employees.

Filing Sequence in New Hampshire

  1. 1

    Choose a business name

    Search New Hampshire SoS name database. Reserve the name if desired (~$25 fee, optional).

  2. 2

    Get an EIN from the IRS

    Free at irs.gov. Takes ~5 minutes online. Required for all business banking, payroll, and tax filings.

  3. 3

    File formation documents ($100)

    Submit Articles of Incorporation to New Hampshire Secretary of State. Include registered agent info. Processing ~7 business days.

  4. 4

    File Form 2553 to elect S-Corp status

    Must be filed within 2 months + 15 days of the tax year start (or entity formation). Free federal filing.

  5. 5

    Register for state taxes

    New Hampshire has no state sales tax.

  6. 6

    Open a business bank account

    Separate business finances from personal. Bank will require EIN, formation docs (for entities), and often an operating agreement.

Not legal or tax advice.

State filing requirements change. Verify fees and deadlines with the New HampshireSecretary of State and Department of Revenue before filing. Structure choice has tax and liability implications — consult a licensed CPA or attorney for your specific situation.