‹ New Hampshire Filing Guide · All Penalties
Operating in New Hampshire without a certificate of authority can bar your LLC from New Hampshire courts and create back-fee exposure. Here's the full cost.
New Hampshire doesn't charge a flat civil penalty for unregistered foreign LLCs, but the LLC is liable to the state for all fees that would have been imposed had it duly registered, plus all penalties imposed by the LLC act. The Attorney General brings recovery proceedings under RSA 304-C:180(IV). You also can't maintain any action in New Hampshire courts until you register AND pay all back fees for the unregistered period. Contracts and personal liability are preserved.
| What's at stake | If you don't register | Severity |
|---|---|---|
| Civil penalty | No flat civil penalty in the statute, but this does not mean free. Your real cost runs through back fees and the loss of court access (see below). For an LLC trying to enforce a contract or collect a debt, the closed-door rule is often more expensive than any flat fine would be. | Medium |
| Back fees on cure | You owe every fee and tax that would have been due if you had registered on time. That includes registration fees, annual report fees, and franchise tax for each year unregistered. | High |
| Right to sue in state court | Closed. You cannot bring or maintain any lawsuit in state court until you register. If you need to sue a customer, a partner, or a vendor, you have to register first. You can still defend yourself if someone sues you. | High |
| Contract validity | Your contracts stay enforceable. Failing to register does not void any deal you signed, and the other party still owes you what they agreed to. | Low |
| Personal liability | Your personal assets are still protected by the LLC. Failing to register does not by itself pierce the corporate veil. Other liability theories like veil-piercing, personal guarantees, and fraud are unaffected. | Low |
| State tax exposure | Yes. New Hampshire imposes the Business Profits Tax (7.5%) on LLCs with gross business income exceeding $109,000 in 2024 (indexed annually) and the Business Enterprise Tax (0.55%) on enterprises with gross receipts exceeding $298,000 or enterprise value tax base exceeding $298,000 (indexed). These apply to LLCs regardless of how they're taxed federally. New Hampshire has no state income tax on wages/salaries but does tax interest and dividend income (being phased out). Verify with the NH Department of Revenue Administration. | Medium |
| How it gets enforced | State Attorney General can file suit to collect what you owe. AG offices actively pursue these cases. This is not a theoretical risk. | N/A |
Here's how to fix it before any of this catches up to you.
You can file the foreign qualification yourself directly with the New Hampshire Secretary of State for the standard filing fee. The application looks straightforward, but rejections are common. A wrong form version, a missing certificate of good standing from your home state, or a name conflict with an existing entity will bounce the filing and reset the clock by two to three weeks. Every week you stay unregistered is another week of penalty accrual.
Northwest reviews your application before it goes in, catches the rejection-causing mistakes (form version, name conflict, missing certificate of good standing), and submits same-day in most states. They'll also serve as your registered agent so the filing meets the statutory requirement on day one. If something is wrong, they fix it before the Secretary of State sees it, not after a rejection notice arrives three weeks later.
Get Northwest Registered Agent ↗Other options
Filing yourself anyway? See the New Hampshire foreign LLC registration guide for the form, fee, and step-by-step process.
Answer 3 questions to find out if your LLC needs to register in other states.
See the form, fee, and step-by-step process for changing your registered agent in New Hampshire.
Learn what counts as “doing business” and which activities trigger the foreign qualification requirement.
This page provides general information based on publicly available New Hampshire statutes. It is not legal advice and is not a substitute for advice from a licensed attorney about a specific situation. Statutes change. Court interpretations vary by case. Verify current statute text with the New Hampshire legislature before relying on the information here. If you are facing enforcement action or a pending lawsuit, consult a New Hampshire business attorney.