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Before going into the details, here is a quick checklist for starting a C Corp in New Hampshire.
A C Corporation is a legal business structure that gives your company its own legal identity, separate from you as the owner. That separation protects your personal assets from most business debts and legal claims.
By default, all corporations in the United States are taxed as C Corps under Subchapter C of the Internal Revenue Code. Owners can later elect S Corp status by filing IRS Form 2553, but every corporation begins as a C Corp.
New Hampshire handles all C Corp filings through the New Hampshire Secretary of State. Rather than a traditional corporate income tax, New Hampshire imposes a Business Profits Tax (BPT) of 7.5% on taxable business profits, and a Business Enterprise Tax (BET) of 0.55% on the enterprise value tax base, making it one of the most business-friendly tax environments in New England.
New Hampshire consistently ranks among the top states for business tax competitiveness in the Tax Foundation's annual State Business Tax Climate Index. [3]
New Hampshire imposes no general sales tax, no personal income tax on wages, and no broad-based capital gains tax. The state eliminated its Interest and Dividends Tax effective January 1, 2025, further reducing the tax burden on business owners and investors.
Rather than a corporate income tax, New Hampshire businesses pay the Business Profits Tax (BPT) at 7.5% on net business income over the threshold, and the Business Enterprise Tax (BET) at 0.55% on enterprise value. [4] These taxes are straightforward, and the combined rates are competitive with neighboring states.
New Hampshire's economy is driven by advanced manufacturing, financial services, healthcare, and a growing technology sector. The state's location between Boston and Portland, combined with a highly educated workforce and low cost of government, makes it a strong base for incorporated businesses that want proximity to major markets without big-city overhead.
| Personal Asset Protection | Investor-Ready Capital Structure | No Sales Tax or Wage Income Tax | Perpetual Existence |
|---|---|---|---|
| A New Hampshire C Corp is its own legal entity. Its finances and liabilities are separate from yours, protecting your personal assets from most business debts and judgments. | New Hampshire C Corps can issue multiple classes of stock, including common and preferred shares, giving you the flexibility institutional investors and venture capital firms expect. | New Hampshire has no general sales tax and no tax on wages, and eliminated its Interest and Dividends Tax in 2025, giving business owners and shareholders a lighter personal tax load. | A New Hampshire C Corp continues to exist even if ownership or management changes. Shares can be transferred without disrupting the business. |
New Hampshire routes all C Corp filings through the New Hampshire Secretary of State. The process is straightforward once you know what each step requires. If you would rather hand the paperwork to a specialist, Swyft Filings can handle it for you.
Your business name is the first official step. New Hampshire has specific rules about what a corporate name can and cannot include.
| Be Unique | Use a Legal Designator | Stay Honest |
|---|---|---|
| Your name must be distinguishable from every other registered entity on New Hampshire Secretary of State records. | Your name must include "Corporation," "Incorporated," "Company," "Corp.," "Inc.," or "Co." as a designator. | Your name cannot imply a purpose the corporation is not organized to carry out, or suggest a government affiliation it does not have. |
| Check Business Name Availability For Free | ||
| :---: |
If your name is available but you are not ready to file, you can reserve it with the New Hampshire Secretary of State. [5]
Your online presence is just as important as your legal name.
Registering your C Corp in New Hampshire does not automatically protect your name outside the state or in other industries.
The Articles of Incorporation is the document that officially creates your C Corp in New Hampshire. It is filed with the New Hampshire Secretary of State online or by mail.
Before you begin, gather the following details for a successful filing on the first try:
The Articles of Incorporation must state the total number of shares your C Corp is authorized to issue. New Hampshire does not impose a filing fee surcharge based on authorized share counts, so you can authorize a generous number of shares for future capital raises without increasing your formation cost.
If you already have a C Corp in another state and want to operate in New Hampshire, you will register as a foreign corporation.
To keep your New Hampshire C Corp in good standing, you must file an Annual Report with the New Hampshire Secretary of State each year. [2]
Every New Hampshire C Corp must designate a registered agent in its Articles of Incorporation. The registered agent is your corporation's official contact for legal documents and state correspondence.
To serve as a registered agent in New Hampshire, the individual must be a New Hampshire resident with a physical street address in the state (no P.O. boxes), and must be available during regular business hours. A business entity serving as registered agent must be authorized to do business in New Hampshire and maintain a New Hampshire address.
| Privacy Protection | Guaranteed Business Hours | Expert Mail Processing | Multi-State Requirements |
|---|---|---|---|
| A professional service keeps your home address off the public record filed with the New Hampshire Secretary of State. | A registered agent must be present during business hours to accept legal documents. A professional service provides consistent coverage. | A professional agent separates legal and state notices from routine mail and delivers them through a secure digital dashboard. | You need a registered agent in every state where you do business. Our service covers all 50 states. |
New Hampshire does not require you to file corporate bylaws with the state, but drafting them before your corporation starts operating is one of the most important early steps.
Bylaws are your corporation's internal rulebook. They are not public records, but they should be kept at your principal place of business. Here is why they matter:
| Section | What It Covers |
|---|---|
| General Business Information | Your corporation's official name, principal address, and whether it has a perpetual or fixed duration. |
| Management Structure | The roles of your board of directors and officers, including who holds signing authority. |
| Shareholder Rights | Voting rights, dividend rights, and procedures for shareholder meetings under New Hampshire corporate law. |
| Stock Classes | Each authorized class of stock, including common and preferred, and the rights attached to each. |
| Decision Making and Voting | The threshold for major business decisions and whether a simple majority or unanimous vote is required. |
| Membership Changes | The process for transferring or selling shares and what happens when a shareholder exits. |
| Corporate Dissolution | A clear process for winding down the business, settling debts, and filing Articles of Dissolution with the New Hampshire Secretary of State. |
After filing your Articles of Incorporation, New Hampshire requires you to hold an initial organizational meeting. At this meeting, your incorporator or initial directors will:
Keep formal minutes from this and all future meetings. Detailed minutes help preserve your limited liability protection and demonstrate good corporate governance to banks and investors.
An Employer Identification Number (EIN) is a nine-digit number issued by the IRS. It works like a Social Security Number for your corporation and is required for most business activities.
You can apply for an EIN directly on the IRS website at no cost. The process takes only 15 minutes. [7]
[1] New Hampshire Secretary of State. Corporations: Forms and Fees. Accessed on June 9, 2026.
[2] New Hampshire Secretary of State. Annual Reports. Accessed on June 9, 2026.
[3] Tax Foundation. 2025 State Business Tax Climate Index. Accessed on June 9, 2026.
[4] New Hampshire Department of Revenue Administration. Business Tax. Accessed on June 9, 2026.
[5] New Hampshire Secretary of State. Corporation Registrations. Accessed on June 9, 2026.
[6] U.S. Patent and Trademark Office. Trademark Registration. Accessed on June 9, 2026.
[7] Internal Revenue Service. Apply for an Employer Identification Number (EIN) Online. Accessed on June 9, 2026.
Disclaimer: This content is for general informational purposes only and does not constitute legal or tax advice.
