How to Form a Massachusetts LLP, Step by Step

An LLP begins with the partnership itself. Before any filing, you and your partners should be clear on who is coming in, what each person is contributing, and what the practice actually does. A limited liability partnership requires at least two partners; a single person cannot form one.

Massachusetts partnerships operate under the Uniform Partnership Act, Chapter 108A of the General Laws. If you have already been operating together informally, you are likely a general partnership in the eyes of the law even without any paperwork — registering as an LLP is the step that layers the liability shield on top of that existing relationship.

Decide who signs

One partner (or an authorized person) will execute the registration on behalf of the partnership. Sort out early who has authority to sign filings and to bind the partnership, because that authority is something your partnership agreement should also address.

Your LLP name must include a designation identifying it as a limited liability partnership: "Limited Liability Partnership," "L.L.P.," or "LLP." Beyond that, the name must be distinguishable from the names of other entities already registered with the Corporations Division.

Run your proposed name through the Massachusetts corporate name search before you file. Search the exact name and close variants. Minor differences — punctuation, spacing, or filler words — may not be enough to make a name distinguishable, so look for anything that reads or sounds similar.

Professional naming conventions

Many Massachusetts LLPs are professional practices that trade on partner surnames, such as "Reyes, Okafor & Bianchi LLP." If your firm is in a licensed profession, check whether your licensing board has any rules about firm names and about which names may appear in them. Those board rules are separate from the Corporations Division's requirements and can be stricter.

Your LLP registration must name a resident agent (Massachusetts's term for a registered agent) with a physical Massachusetts address. This is the person or company that receives service of process — lawsuits and legal notices — and official mail from the state on behalf of the partnership.

Who can serve

• A partner or another individual. Any Massachusetts resident with a physical in-state street address who is reliably available during business hours can serve. A P.O. box is not sufficient.
• A commercial registered agent service. A company that provides this service keeps its own Massachusetts address on the public record instead of a partner's home address, and guarantees someone is always there to accept documents.

Why partners often choose a service

If a partner serves as agent using a home address, that address becomes part of the public corporate record and is searchable online. Professional practices frequently prefer a commercial agent both for privacy and to make sure a summons is never missed because everyone happened to be in court or on vacation.

This is the filing that actually creates your limited liability partnership. It is submitted to the Corporations Division of the Secretary of the Commonwealth, most easily through the Corporations Online Filing System.

What the registration includes

• Name of the partnership, with its LLP designation
• Principal office address of the partnership
• Resident agent name and Massachusetts street address
• A brief description of the business the partnership engages in
• The federal employer identification number, if the partnership already has one
• An effective date, if you want the LLP status to begin on a specific day

Online registrations are typically reviewed within one to two business days. Once the state accepts the filing, the partnership is a registered LLP as of the effective date, and you should receive confirmation you can present to a bank.

Registration makes you an LLP with the state; the partnership agreement governs how the partners actually run the firm and treat each other. Massachusetts does not require you to file it, and you should not — it stays private — but every serious LLP needs one.

What the agreement should cover

• Capital contributions: what each partner put in, in cash or in kind, and any obligation to contribute more later
• Profit, loss, and draw allocation: how the economics are split, which need not be equal
• Management and voting: who decides day-to-day matters and which decisions require a supermajority or unanimity
• Admission of new partners: the process and vote needed to bring someone in
• Withdrawal, retirement, death, and expulsion: how a partner exits and how their interest is valued and paid out
• Dispute resolution and dissolution: how disagreements are handled and how the firm winds down if it must

Without this, Chapter 108A's defaults apply — equal splits, equal management votes — which almost never reflect a real firm with unequal contributions and roles.

A partnership must have its own Employer Identification Number from the IRS. Unlike a single-member LLC, an LLP always has multiple partners and files a partnership return, so an EIN is mandatory, not optional.

Getting the EIN

Apply online through the IRS at IRS.gov. The application takes a few minutes and the number is issued immediately when the responsible party has a U.S. Social Security number or ITIN. Applicants without one file Form SS-4 by fax or mail.

Opening the account

Keeping partnership money separate from personal money is essential — commingling is one of the fastest ways to undermine the credibility of the entity and, in some cases, the liability shield. Banks generally want to see:

• Your accepted LLP registration from the Corporations Division
• The IRS EIN confirmation
• The partnership agreement identifying who is authorized to act on the accounts
• Government-issued ID for the authorized signers

Most of the effort is at the start. Ongoing compliance for a Massachusetts LLP is light but real.

Annual report

Every registered LLP files an annual report with the Corporations Division. In Massachusetts the report is keyed to the anniversary of the LLP's registration, so note that date. The report confirms current information — principal office, resident agent, and business description. Letting it lapse can lead the state to revoke your LLP status, which would strip the shield and return you to a general partnership.

Resident agent upkeep

If your agent changes address, resigns, or you switch providers, file the update with the Corporations Division promptly. An out-of-date agent leaves the LLP technically out of compliance.

Taxes and licensing

A partnership files a federal Form 1065 and issues Schedule K-1s to the partners, who report their shares on their personal returns. Massachusetts has its own partnership filing obligations at the Department of Revenue. If your practice is in a licensed profession, keep the underlying professional licenses current — the LLP registration does not replace them.