How to Form a New Hampshire Limited Partnership, Step by Step

Your limited partnership's name has to be distinguishable from every other business name already on file with the New Hampshire Secretary of State — not just other LPs, but corporations, LLCs, and every registered entity. Two names that differ only by punctuation, spacing, or a filler word like "the" may not be treated as distinct.

Search your proposed name and its close variants in the state's business name lookup. If something too similar is already registered, the state can reject your certificate, which sets you back to the start.

Naming rules for a New Hampshire LP

• The name must contain the words "Limited Partnership" or an accepted abbreviation such as "L.P." or "LP."
• It cannot imply a purpose the partnership is not authorized to carry out, and regulated terms (banking, insurance, and similar) may require separate approval.
• It must be distinguishable from all active names in the state's records.

Holding a name before you file

If you have settled on a name but are not ready to file the certificate, New Hampshire lets you reserve it for a limited period so no one else can take it while you finish assembling partner information and the agreement. Reservation does not create the LP — it only parks the name.

Before you file anything, be clear about who holds which role, because the roles carry very different consequences and the certificate treats them differently.

General partner

An LP must have at least one general partner. This is the party that manages the business and is personally liable for partnership debts and legal claims. The general partner's name and address go on the public certificate. A general partner can be a person or an entity — a common move is to name an LLC as the general partner so that no individual carries unlimited personal exposure while still keeping management control.

Limited partners

Limited partners contribute capital and share in profits but do not manage. Their protection depends on staying passive; a limited partner who takes over operational decisions risks being treated as a general partner for liability purposes. Limited partners generally are not named on the public certificate, so their identities remain private in the partnership agreement.

Decide the ownership split, the capital each partner is putting in, and how profits and losses will be allocated now. You will formalize all of it in Step 5, but you need the shape of the deal settled before you file.

Every New Hampshire LP must name a registered agent with a physical street address in the state. The agent is who receives lawsuits, subpoenas, and official mail from the Corporation Division on the partnership's behalf, and the appointment is recorded on the certificate.

Your options

• A general partner or another New Hampshire resident: works if that person has a real in-state street address and is reliably available during business hours. The address becomes public.
• A New Hampshire entity authorized to act as an agent
• A commercial registered agent service: keeps a staffed New Hampshire address in the public record instead of a partner's home address, and guarantees someone is present to accept documents.

For LPs with out-of-state general partners or investors, a commercial service is usually the practical choice — it satisfies the in-state requirement without anyone relocating and keeps personal addresses out of the public database.

The Certificate of Limited Partnership is the filing that brings your LP into legal existence. You submit it through NH QuickStart, the Corporation Division's online system. The state charges a filing fee for the certificate; the current amount is on the Secretary of State's fee schedule and is shown on the cost card on this page.

What the certificate includes

• Partnership name with the required "Limited Partnership," "L.P.," or "LP" designator
• Principal office address — a street address, not a bare P.O. box
• Registered agent name and New Hampshire street address
• General partner name and address for each general partner
• Effective date, if you want the LP to begin on a specific future date rather than immediately

After you file

QuickStart submissions process within the state's standard window of about a week to ten business days. Once accepted, the LP appears in the state's business search and you get a stamped copy of the filing. That stamped certificate is what banks and counterparties will ask for as proof the entity exists.

New Hampshire does not require you to file a limited partnership agreement with the state, and you should not — it stays private. But you absolutely need one, and for an LP it is not optional in any practical sense, because the certificate says almost nothing about how the partnership actually operates.

What the agreement should cover

• Capital contributions: what each partner contributed and any obligation to contribute more later
• Profit and loss allocation: how gains and losses are divided between general and limited partners — this does not have to track capital percentages, and often does not
• Distributions: when and how cash goes out, and in what priority
• Management authority: what the general partner can decide alone versus what requires limited-partner consent
• Limits on limited partners: a clear line defining what limited partners may and may not do, protecting their liability shield
• Admission and withdrawal of partners: how new partners join and how existing partners exit or transfer interests
• Dissolution: the events that wind up the partnership and how remaining assets are distributed

Without a written agreement, RSA 304-B's default provisions fill the gaps, and those defaults may allocate rights and money in ways the partners never intended. Draft this with an attorney if the deal is at all complex.

A limited partnership needs its own federal Employer Identification Number. An LP files a partnership tax return, so the EIN is not optional the way it can be for a single-member LLC. The number is issued by the IRS at no cost.

Getting the EIN

Apply through the IRS EIN Assistant at IRS.gov. The online application takes about ten minutes and issues the number immediately, provided the responsible party has a U.S. Social Security number or ITIN. Applicants without one file Form SS-4 by fax or mail. The responsible party is generally the general partner who controls the entity.

Opening the bank account

Keeping partnership money separate from personal money is essential — commingling undermines the entity and muddies the accounting between partners. Most banks want the stamped Certificate of Limited Partnership, the IRS EIN confirmation, the limited partnership agreement, and identification for the authorized signers. Have all four ready before you go in.

Formation is the front-loaded work. Keeping the LP alive is mostly one annual filing plus attention to any change in your agent or principal office.

Annual report

New Hampshire requires limited partnerships to file an annual report with the Corporation Division. The filing window opens at the start of the year and the report is due by April 1. It updates the state's record of your registered agent, addresses, and general partner information. File it through QuickStart. Missing the deadline leads to a late penalty and, if left unaddressed, eventual administrative dissolution.

Registered agent upkeep and taxes

If your registered agent changes address, resigns, or you switch agents, file the change promptly — a stale agent record puts the LP out of compliance. On taxes, an LP files a federal partnership return (Form 1065) and issues K-1s to the partners. New Hampshire also imposes the Business Profits Tax and the Business Enterprise Tax at the state level, which apply based on the partnership's income and enterprise value rather than through the Secretary of State — coordinate this with your accountant.