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Overview · What forming and maintaining a Maryland LLP involves, and everything our one price covers.

Register a Maryland Limited Liability Partnership (LLP)

A Maryland LLP lets partners run a business together while protecting each partner from the malpractice and negligence of the others. This page explains what an LLP actually is, why licensed professionals and multi-owner firms in Maryland choose it, what the State Department of Assessments and Taxation expects, and how we handle the registration for you.

One price: $199.00/yr covers your formation, your resident agent, and your annual report, plus the $100.00 state filing fee, at cost.

Form Your Maryland LLP ($199.00/yr All-In)

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Maryland LLP Formation

Everything we do /yr$199.00
State filing fee (at cost)$100.00
  • Formation prepared & filed
  • Your resident agent, all year
  • Annual report prepared & filed
Due today$299.00

Renews at $199.00/yr + the state's $300.00 annual-report fee, at cost.

What a Maryland LLP Is — and Who It's For

A limited liability partnership is a general partnership that has taken one extra legal step: it has filed a Statement of Qualification with the state to gain a liability shield for its partners. In a plain general partnership, every partner is personally on the hook for the partnership's debts and for the wrongful acts of every other partner. That exposure is the reason law firms, accounting practices, architecture and engineering groups, and medical practices moved toward the LLP form in the first place.

Maryland governs partnerships under the Maryland Revised Uniform Partnership Act, Title 9A of the Corporations and Associations Article. Once your partnership registers as an LLP, an individual partner is generally not personally liable — directly or indirectly, by contribution or otherwise — for the obligations of the partnership that arise from another partner's negligence, malpractice, or misconduct. You remain responsible for your own work and your own wrongful acts, but you are not dragged down by a co-partner's mistake.

Why the LLP form exists

Picture three architects sharing a practice as a general partnership. One of them makes a costly design error on a project she handled alone. In a general partnership, a judgment against the firm could reach the personal savings and homes of all three, even the two who never touched the project. Registering as an LLP is what stops that. The partner who made the error is still accountable, and partnership assets are still exposed, but the innocent partners' personal assets are shielded from that particular liability.

That is why the LLP is especially common among licensed professionals in Maryland. It preserves the flexible, partner-run character of a general partnership — no board of directors, no rigid corporate formalities — while adding the personal protection that a bare general partnership can't offer.

How an LLP Differs from an LLC and a Corporation

People shopping for an entity in Maryland often weigh an LLP against a limited liability company. They overlap, but they are not the same thing, and the difference matters.

The starting point is different

An LLC is created from scratch when you file Articles of Organization; before that filing, nothing exists. An LLP starts life as a general partnership — two or more people already carrying on a business for profit — and then layers a liability shield on top by registering. If you already operate as a partnership, converting to an LLP is often the natural, lower-friction move.

Management and ownership

An LLC has members and can be member-managed or manager-managed. An LLP is run by its partners under a partnership agreement, in keeping with the collaborative structure professionals tend to prefer. There is no concept of a passive "manager" class the way an LLC allows.

Professional practice fit

In many states, licensing boards steer certain professions toward the LLP form, and clients and referral partners recognize it. If you are a licensed attorney, CPA, architect, engineer, or similar professional forming a firm with colleagues, the LLP is frequently the expected structure. An LLC still works for many businesses, but the LLP speaks the language of professional partnerships.

None of this is legal advice about which entity you should choose. If the decision is close, talk to a Maryland attorney or your CPA. What we can tell you is that both forms deliver a liability shield, and the right one depends on how your business is already organized and who your partners are.

What Maryland Requires to Register an LLP

Maryland is unusual in one respect that trips people up: business entity filings do not go through a Secretary of State. They go through the Maryland State Department of Assessments and Taxation (SDAT), filed online through the Maryland Business Express portal. If you've formed entities in other states and keep looking for a "Maryland Secretary of State" filing, that's why you can't find it.

The core registration is a Statement of Qualification (registration as a limited liability partnership). It records the partnership's name, its principal office, and its resident agent — Maryland's term for what other states call a registered agent. Maryland requires resident agent consent under the Corporations and Associations Article, so the agent has to agree to serve.

The resident agent requirement

Every Maryland LLP must continuously maintain a resident agent with a physical Maryland street address. The resident agent receives service of process and official state mail on the partnership's behalf. A P.O. box alone does not satisfy the requirement, and the agent must be available during normal business hours.

Processing timeline

Standard online processing through Maryland Business Express typically takes roughly two weeks, and mailed filings run longer. Maryland does offer expedited handling for an additional state charge if you're working against a lease signing, a bank appointment, or a contract deadline. Plan ahead — a professional firm that needs to be registered before it starts taking clients should not wait until the last week.

Annual Obligations That Keep Your LLP in Good Standing

Registering the LLP is a one-time act. Staying compliant is an every-year commitment, and Maryland's deadline is stricter than most states because it does not move.

The Annual Report and Personal Property Return

Every Maryland LLP must file an Annual Report with SDAT, and if the partnership owns or leases personal property in the state, a Personal Property Return goes with it. Maryland's deadline is a fixed calendar date — April 15 — every year, not an anniversary of your registration. Missing it puts your LLP at risk of losing good standing, which can block you from bringing lawsuits, renewing licenses, or securing financing until you catch up.

Resident agent maintenance

Your resident agent must stay current for the entire life of the LLP. If your agent moves, resigns, or stops being reachable, you have to update SDAT's records. An LLP with a stale resident agent address is technically out of compliance even if the Annual Report is filed.

The partnership agreement

Maryland does not require you to file a partnership agreement, and you shouldn't — it's a private document. But it is the backbone of a multi-partner firm: it sets out capital contributions, profit splits, voting, admission and withdrawal of partners, and what happens if the partnership dissolves. Without one, the default rules of the Maryland partnership statute fill every gap, and those defaults rarely match what the partners actually intended.

What Mainstay Filing Does for You

We handle the mechanics of getting your LLP registered so you don't have to decode the Maryland Business Express interface, guess at what the Statement of Qualification needs, or worry that you've missed a resident agent consent requirement.

When you place an order, you tell us the essentials: your partnership's name, its principal office, and your resident agent choice. We prepare the Statement of Qualification, submit it through SDAT, and send you the filed documents once the state processes them. We include resident agent service, so a professional Maryland address sits in the public record instead of a partner's home address, and there's always someone available to accept legal documents and state mail on the firm's behalf.

After you're registered, we track the April 15 Annual Report deadline for you and can handle that filing so it never slips. Our aim is to get your partnership recognized as an LLP and keep it in good standing without any partner needing to become an expert in SDAT procedure.

What we don't do

Our business is filing, not practicing law or accounting. We don't draft your partnership agreement, advise on how to split equity between partners, or give tax advice. For those decisions — especially in a professional practice — you want a Maryland attorney and a CPA. What we do is make sure the state-facing registration is done correctly and stays current.

Frequently asked questions

Does my Maryland LLP need a resident agent?

Yes. Maryland requires every LLP to continuously maintain a resident agent with a physical Maryland street address. The agent receives service of process and official state correspondence and must be available during normal business hours. Maryland also requires the agent to consent to the appointment. You can act as your own agent if you have a qualifying Maryland address, name another individual, or use a commercial resident agent service.

Can partners who don't live in Maryland form a Maryland LLP?

Yes. There's no residency requirement for the partners of a Maryland LLP. The only Maryland-presence requirement is the resident agent, who must have a physical street address in the state. A commercial resident agent service satisfies that without any partner needing to live in Maryland.

Does an LLP really protect me from my partner's mistakes?

That's the central benefit. Under Maryland's partnership statute, a partner in a registered LLP is generally not personally liable for partnership obligations arising from another partner's negligence, malpractice, or wrongful conduct. You remain responsible for your own work, and partnership assets remain exposed, but an innocent partner's personal assets are shielded from a co-partner's error.

Is an LLP better than an LLC for my Maryland business?

Both provide a liability shield, so the right choice depends on your situation. An LLP starts as a general partnership and is common among licensed professionals like attorneys, accountants, architects, and engineers. An LLC is created fresh from Articles of Organization and suits a broad range of businesses. If you already operate as a partnership or are forming a professional firm with colleagues, the LLP is often the natural fit. When it's a close call, ask a Maryland attorney or CPA.

Why does Maryland use SDAT instead of a Secretary of State?

Maryland is one of the states where business entity filings are handled by the State Department of Assessments and Taxation, not a Secretary of State. Filings, name searches, and the Annual Report all run through SDAT and the Maryland Business Express portal. If you're used to filing with a Secretary of State elsewhere, this is simply where Maryland puts that function.

When is the Maryland Annual Report due for an LLP?

Maryland uses a fixed deadline of April 15 every year — not the anniversary of your registration. Every LLP files an Annual Report with SDAT, along with a Personal Property Return if the partnership owns or leases personal property in the state. Missing the deadline can cost your LLP its good standing, which affects your ability to sue, renew licenses, and obtain financing.

Ready to form your Maryland LLP?

Formation, your resident agent, and your annual report. One price, $199.00/yr, with the state fee passed through at cost.

Form Your Maryland LLP ($199.00/yr All-In)