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Overview · What forming and maintaining a Connecticut LP involves, and everything our one price covers.

Form a Connecticut Limited Partnership Without the Guesswork

A limited partnership is a specific tool for a specific job: pairing partners who run the business with partners who fund it but stay out of daily operations. This page walks through what a Connecticut LP actually is, when it makes sense, what the state expects when you file, and how Mainstay Filing fits into the process.

One price: $199.00/yr covers your formation, your registered agent, and your annual report, plus the $120.00 state filing fee, at cost.

State agency: Connecticut Secretary of the State, Business Services Division (filed via the CT Business One Stop, business.ct.gov)

Annual report due: Anniversary of formation · Processing: 2-3 business days

Form Your Connecticut LP ($199.00/yr All-In)

✓ No hidden fees  ✓ No second-year price hikes  ✓ No missed filings

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Connecticut LP Formation

Everything we do /yr$199.00
State filing fee (at cost)$120.00
  • Formation prepared & filed
  • Your registered agent, all year
  • Annual report prepared & filed
Due today$319.00

Renews at $199.00/yr + the state's $80.00 annual-report fee, at cost.

What a Limited Partnership Is, and Who It's For

A limited partnership is not a general partnership, and it is not an LLC. It is its own creature under Connecticut law, built around a division of labor between two classes of owners. Every LP has at least one general partner and at least one limited partner, and the two roles carry very different responsibilities and very different exposure.

The general partner runs the business. They sign the contracts, make the operating decisions, and — this is the part that matters most — they carry personal liability for the partnership's debts and obligations. If the LP can't pay a creditor, the creditor can pursue the general partner's personal assets. Because of that exposure, many people who form LPs make the general partner an LLC or a corporation rather than an individual, so the personal-liability buck stops at an entity rather than a human being.

The limited partner is the opposite. They contribute capital, they share in profits and losses, and they otherwise stay out of management. In exchange for that hands-off posture, their liability is capped at what they put in. A limited partner who never signs a contract on the partnership's behalf and never directs day-to-day operations generally cannot be reached by the LP's creditors beyond their investment.

Where the LP shines

This structure fits a handful of situations very well. Real estate syndications use it constantly: a sponsor serves as general partner and manages the property, while passive investors come in as limited partners. Family investment vehicles and estate-planning arrangements use LPs to let an older generation retain control as general partners while gifting limited-partner interests. Certain professional and investment funds are organized as LPs for the same reason — a clear line between the people managing money and the people supplying it.

If everyone in your venture intends to work in the business and share management, an LP is usually the wrong fit; a general partnership or an LLC will serve you better. The LP earns its keep precisely when you need that manager-versus-investor split written into the entity itself.

How Connecticut Treats Limited Partnerships

Connecticut limited partnerships are governed by the state's version of the Uniform Limited Partnership Act, administered by the Connecticut Secretary of the State through the Business Services Division. Filings and ongoing maintenance run through the state's online system at business.ct.gov, the Business One Stop portal that also handles LLCs and corporations.

An LP legally comes into existence when the state accepts your Certificate of Limited Partnership. That certificate is the public formation document — the LP equivalent of what an LLC calls its certificate of organization. Until the state records it, you don't have a limited partnership; you may have a general partnership by default, with all the unlimited liability that implies for every partner.

The registered agent requirement

Every Connecticut LP must continuously maintain a registered agent with a physical Connecticut street address. The agent is the official recipient for service of process — lawsuits and subpoenas — and for state correspondence. This is a standing obligation, not a one-time formality: if your agent resigns or moves away without a replacement on file, the partnership falls out of compliance.

Tax posture

For federal purposes, an LP is a pass-through by default. The partnership itself files an informational return, and profits and losses flow through to the partners, who report their share on their own returns. Connecticut layers a pass-through entity tax regime on top of that, and the interplay between the federal treatment and the state's rules is exactly the kind of thing to run past a CPA before you assume how you'll be taxed. We prepare the formation paperwork; we don't give tax advice, and the tax picture for an LP is genuinely worth a professional conversation.

The Difference Between an LP and an LLC in Practice

People shopping for an entity often land on the LP and the LLC as if they were interchangeable. They aren't, and the differences are worth understanding before you commit.

In an LLC, every member enjoys limited liability by default, whether they manage the company or not. In an LP, that protection belongs only to the limited partners; at least one general partner always stands exposed. That single distinction drives most of the decision. If you want liability protection for everyone involved, the LLC is the cleaner answer. If you specifically want a structure that separates active managers from passive investors and are comfortable placing full liability on the general partner (or on an entity acting as the general partner), the LP is purpose-built for it.

Management is baked in, not chosen

An LLC lets you pick between member-managed and manager-managed at formation. An LP doesn't offer that menu, because management is inherent to the roles: general partners manage, limited partners don't. In fact, a limited partner who starts actively participating in management can, in some circumstances, jeopardize the liability shield that defines their role. The wall between the two classes isn't just organizational — it's what keeps the limited partner "limited."

Why some people still choose the LP

Given all that, why form an LP at all? Because for investment and family-control situations, the clean separation is a feature. Limited partners get a defined, passive stake with capped downside. General partners get undiluted control. And the whole arrangement is recognized and enforced by statute, which gives investors and courts a well-worn framework to rely on. When the structure matches the goal, nothing else fits as neatly.

What Mainstay Filing Handles, and What We Don't

Mainstay Filing prepares and submits the state paperwork that brings your Connecticut limited partnership into existence and keeps it in good standing. You tell us the partnership's name, its principal office, who the general and limited partners are as the certificate requires, and your registered agent choice. We prepare the Certificate of Limited Partnership, file it through the state's portal, and return the recorded document once Connecticut processes it.

We also provide registered agent service, so a professional Connecticut address sits in the public record instead of your home, and someone is reliably available to accept service of process and forward the state's mail to you. After formation, we track your ongoing filing obligations and can handle the annual report so a missed deadline never quietly pushes your LP toward administrative dissolution.

Where our lane ends

We are a filing service, not a law firm or an accounting firm. We don't draft your limited partnership agreement, decide how profits and losses should be allocated between partners, advise on whether an individual or an entity should serve as general partner, or opine on the tax consequences of your structure. Those are lawyer-and-CPA questions, and for an LP they genuinely matter — the allocation of liability and the terms of the partnership agreement have real financial stakes. What we guarantee is that the state-facing documents are correct, complete, and filed on time, so the legal shell is sound and you can build the rest of the arrangement on solid ground.

Frequently asked questions

What is the difference between a general partner and a limited partner in a Connecticut LP?

The general partner manages the business and carries personal liability for the partnership's debts — creditors can reach the general partner's personal assets. The limited partner contributes capital, shares in profits and losses, and stays out of day-to-day management; their liability is capped at what they invested, as long as they don't cross into active management. Every Connecticut LP needs at least one of each.

Do I need a registered agent for a Connecticut limited partnership?

Yes. Connecticut requires every LP to continuously maintain a registered agent with a physical street address in the state. The agent receives service of process and official state correspondence. This is an ongoing obligation — if your agent resigns or moves and you don't file a replacement, the partnership falls out of compliance.

Can a limited partnership have just one person?

No. By definition an LP requires at least one general partner and at least one limited partner, so a minimum of two distinct roles must be filled. The same person generally cannot be the sole general partner and sole limited partner, because that collapses the two-class structure the LP depends on. If you're a solo operator, an LLC is usually the more appropriate entity.

Is a Connecticut LP taxed as a separate entity?

Not by default. For federal purposes an LP is a pass-through: the partnership files an informational return and the partners report their shares of profit and loss on their own returns. Connecticut also applies a pass-through entity tax regime, so the state treatment has its own wrinkles. Because the interaction between federal and Connecticut rules can affect what you actually owe, this is a question for a CPA rather than a filing service.

Why would someone form an LP instead of an LLC?

The LP is built for situations where you want a clear split between active managers and passive investors — real estate syndications, investment funds, and family control arrangements are common examples. Limited partners get capped liability and a passive stake, while general partners keep full control. If instead you want liability protection for everyone regardless of their role, an LLC is usually the better choice.

Ready to form your Connecticut LP?

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

Form Your Connecticut LP ($199.00/yr All-In)