A limited liability company (LLC) is a common legal form for a business and refers to how a business is structured. LLCs exist in a range of ownership models, management choices, and state-specific variations that can affect control, liability, taxes, and how a business runs.
Below, we’ll explain how single-member and multi-member LLCs differ, how LLC management structures work, and how to choose the best LLC structure based on how your business operates.

What’s in this article?

• What does “types of LLCs” mean?
  
• What are the main types of LLCs by number of owners?
  
• What is a single-member LLC?
  
• What is a multi-member LLC?
  
• How do LLC management structures work?
  
• What are the special or state-specific types of LLC?
  
• How do you choose the right type of LLC for your business?
  
• How Stripe Atlas can help
  

What does “types of LLCs” mean?

“Types of LLCs” is shorthand for a few distinct ways in which a limited liability company can be structured, categorized, or treated under the law. At the most basic level, it can mean how the business is owned. An LLC is a common legal form for a business in the US that separates the business from its owners for liability purposes. An LLC can have one owner or many, which affects everything from decision-making to tax reporting.

What are the main types of LLCs by number of owners?

One of the clearest and most practical ways to understand LLC types is by looking at how many people own the business. This distinction shapes how the LLC operates, decisions get made, and responsibilities are shared.

A single-member LLC is an LLC with one owner, where that owner has full control over the business and typically benefits from simpler administration and default pass-through tax treatment.

A multi-member LLC is an LLC with two or more owners, where ownership, profits, and decision-making are shared and formal agreements become essential to keep the business running.

What is a single-member LLC?

A single-member LLC is a simple version of the LLC structure. Single-member LLCs are widely used by consultants, independent operators, holding companies, and early-stage startups that haven’t yet added co-founders or investors.

Here’s how a single-member LLC works:

Ownership structure

A single-member LLC has one owner, known as the member, who could be an individual or another legal entity and who retains full control over the business. The LLC creates a liability shield between the business and the owner’s personal assets, assuming the company is properly formed, funded, and operated as a separate entity. The sole member makes all decisions, sets strategy, and can act on behalf of the company without needing approval from partners or a board.

Tax treatment

By default, a single-member LLC is treated as a “disregarded entity” for US federal income tax purposes. That means profits and losses are reported directly on the owner’s tax return rather than on a separate business return. Even though the default is pass-through taxation, a single-member LLC can elect to be taxed as a corporation if that better suits the business’s financial profile.

Administrative simplicity

Compared with multi-owner structures, compliance and recordkeeping tend to be lighter, though maintaining separate accounts and clear documentation is still critical. While not always legally required, a written operating agreement helps reinforce the separation between owner and company and can be useful when opening bank accounts, working with partners, or preparing for future growth.

What is a multi-member LLC?

A multi-member LLC is built for shared ownership, which means structure matters more from day one. Multi-member LLCs are commonly used by co-founders, family-owned businesses, investment partnerships, and ventures where ownership and operations are shared.

Here’s how a multi-member LLC works:

Ownership structure

A multi-member LLC has two or more owners, called members, each of whom holds an ownership interest that could be equal or different. Profits and losses are allocated among members based on the operating agreement, not automatically split evenly unless the members choose that approach. Each member’s personal assets are generally protected from business liabilities, as long as the LLC is properly maintained and formalities are respected.

Tax treatment

By default, a multi-member LLC is taxed as a partnership for federal income tax purposes, with the LLC filing an informational return and each member reporting their share of income or loss on their own tax return. Like single-member LLCs, multi-member LLCs can elect to be taxed as a corporation if that better matches the company’s growth plans or compensation strategy.

Decision-making dynamics

Unless otherwise specified, state law often assumes members have equal voting rights, which can create friction if ownership percentages or involvement levels differ. A detailed operating agreement should spell out voting rights, profit allocation, capital contributions, exit rules, and what happens if a member leaves or the business dissolves.

How do LLC management structures work?

Ownership and management aren’t necessarily the same thing in an LLC, and that separation is one of the structure’s biggest advantages. LLCs let you decide who runs the business and how authority is distributed. An LLC can change its management structure as it grows, as long as the governing documents are updated and filings are amended where required.

Here are the differences between a member-managed LLC and manager-managed LLC:

Member-managed LLC

All owners are involved in running the business, with each member typically having the authority to make decisions and bind the company in routine matters. In many jurisdictions, an LLC is assumed to be member-managed unless the formation documents explicitly state otherwise.

This is a better fit for small teams. Member-managed structures work well when owners are actively involved and in harmony, especially in closely held or early-stage businesses. Because any member can act on behalf of the company, internal rules are critical to avoid confusion or unintended commitments.

Manager-managed LLC

Members appoint one or more managers to handle daily operations, while non-managing members take on a more passive, oversight-focused role. Managers have clear authority to run the business, enter contracts, and make decisions without needing approval from all owners.

Manager-managed structures are common when there are passive investors, a larger ownership group, or a desire to centralize decision-making. In some states, choosing a manager-managed structure affects what information appears in public records, which can have privacy implications. The operating agreement should clearly define managerial powers, voting thresholds, and which decisions require member approval.

What are the special or state-specific types of LLC?

Beyond ownership and management, some types of LLCs exist because certain states have created specialized versions for specific industries, goals, or legal strategies.

Here are special types of LLCs you should know about:

Professional LLC (PLLC)

A PLLC is designed for licensed professionals such as doctors, lawyers, architects, and accountants. In some states, it’s required if you want LLC status in a regulated profession. Ownership is often limited to individuals who hold the relevant professional license. While the PLLC can protect members from business debts and other members’ malpractice, it does not necessarily shield a professional from liability for their own malpractice.

Series LLC

A series LLC allows one “parent” LLC to contain multiple internal series, each with its own assets, liabilities, and sometimes members, which effectively creates separate compartments under one legal entity. This structure is used to isolate risk across assets such as real estate properties, but it’s only available in some states, such as California, and requires careful accounting and recordkeeping to preserve liability separation.

Nonprofit LLC

In limited circumstances and jurisdictions, LLCs can operate for nonprofit purposes, usually when wholly owned by an existing nonprofit organization. These are uncommon and subject to strict requirements to qualify for tax-exempt treatment.

Low-profit LLC (L3C)

An L3C is a for-profit LLC with a legally stated mission to pursue a charitable or educational purpose ahead of profit. It was designed to attract certain types of mission-focused investment, but it does not provide tax-exempt status and is only available in a small number of states.

Anonymous LLC

An anonymous LLC is not a separate legal form, but a standard LLC formed in a state that does not require public disclosure of owners or managers. These structures offer privacy from public databases, though owners are still disclosed to banks, service providers, and government authorities, and anonymity can be lost when registering in other states.

Restricted LLC

A restricted LLC, available primarily in Nevada, limits distributions to members for a set period of time and is typically used for estate or asset-planning purposes rather than operating businesses. These entities are niche tools and are rarely appropriate for companies engaged in active commercial operations.

Close LLC

Some states allow close LLCs, which are designed for a small number of owners and often restrict the transfer of ownership interests. This structure can appeal to tightly held businesses that want to keep ownership within a defined group.

How do you choose the right type of LLC for your business?

Choosing the right LLC structure is about matching the structure to how your business actually operates.

Here’s how to evaluate which type of LLC is best for you:

• Start with ownership: If you’re building alone, a single-member LLC is usually an easy place to begin. If you’re building with others, a multi-member LLC with a clear operating agreement is important.

• Match management to behavior: Choose a member-managed structure if owners will actively run the business, and a manager-managed structure if authority needs to be centralized or some owners will be passive.

• Check industry constraints early: Some licensed professions can require a PLLC. Ignoring that requirement can create compliance problems later.

• Be honest about geography: Forming in one state while operating in another often means registering as a foreign LLC and paying multiple sets of fees. This should be part of your cost-benefit analysis.

• Avoid premature complexity: Structures such as series LLCs or state-specific variants can be powerful, but only when there’s a clear reason for them. Many businesses are better served by a standard LLC.

• Plan for evolution: LLCs are designed to be flexible, whether that means adding members, changing management, electing a different tax treatment, or converting to a corporation.

How Stripe Atlas can help

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Join 75K+ companies incorporated using Atlas, including startups backed by top investors like Y Combinator, a16z, and General Catalyst.

Applying to Atlas

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Accepting payments and banking before your EIN arrives

After forming your company, Atlas files for your EIN. Founders with a US Social Security number, address, and cell phone number are eligible for IRS expedited processing, while others will receive standard processing, which can take a little longer. Additionally, Atlas enables pre-EIN payments and banking, so you can start accepting payments and making transactions before your EIN arrives.

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Founders can purchase initial shares using their intellectual property (e.g., copyrights or patents) instead of cash, with proof of purchase stored in your Atlas Dashboard. Your IP must be valued at $100 or less to use this feature; if you own IP above that value, consult a lawyer before proceeding.

Automatic 83(b) tax election filing

Founders can file an 83(b) tax election to reduce personal income taxes. Atlas will file it for you—whether you are a US or non-US founder—with USPS Certified Mail and tracking. You’ll receive a signed 83(b) election and proof of filing directly in the Stripe Dashboard.

World-class company legal documents

Atlas provides all the legal documents you need to start running your company. Atlas C corp documents are built in collaboration with Cooley, one of the world’s leading venture capital law firms. These documents are designed to help you fundraise immediately and ensure your company is legally protected, covering aspects like ownership structure, equity distribution, and tax compliance.

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