What Is an LLC Operating Agreement?

An LLC operating agreement is a legally binding internal document that governs how a limited liability company (LLC) is structured and operated. It defines ownership percentages, management responsibilities, profit distribution, voting rights, and procedures for adding or removing members.

Think of it as a constitution for your business.

Why Every LLC Needs an Operating Agreement
What an Operating Agreement Covers
Member-Managed vs. Manager-Managed LLCs
State Requirements
How to Write an Operating Agreement
Common Mistakes to Avoid
Frequently Asked Questions

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Why Every LLC Needs an Operating Agreement

Even if your state doesn't require one — and most don't — every LLC should have an operating agreement. Here's why:

Protects your limited liability status. Without a formal operating agreement, courts can sometimes "pierce the corporate veil" and hold LLC owners personally liable. A proper operating agreement demonstrates that your LLC is a legitimate, separate legal entity.

Overrides default state rules. If you don't have an operating agreement, your state's default LLC statutes govern your business. These defaults are often unfavorable — for example, many states default to equal profit-sharing regardless of contribution, or require unanimous consent for major decisions.

Prevents partner disputes. When a business partner relationship sours, what happens? An operating agreement specifies exactly how disputes are resolved, how buyouts work, and what happens if a partner dies or becomes incapacitated.

Required by banks and investors. Most banks require an operating agreement to open a business checking account. Investors and lenders will always ask for it.

Only California, Delaware, Maine, Missouri, and New York currently require LLCs to have a written operating agreement. But "required" is a low bar — every state's default rules are insufficient for a real business.

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What an Operating Agreement Covers

A complete operating agreement addresses seven core areas:

1. Ownership Structure

Lists all members (owners), their ownership percentages, and their initial capital contributions. Example: "Member A owns 60%, Member B owns 40%. Member A contributed $60,000 in cash; Member B contributed $40,000 in cash."

2. Management Structure

Defines whether the LLC is member-managed (owners run the business) or manager-managed (a designated manager runs day-to-day operations). See the next section for details.

3. Voting Rights and Decision-Making

Specifies what decisions require a simple majority, a supermajority (e.g., 75%), or unanimous consent. Typical items requiring unanimous consent include admitting new members, amending the operating agreement, or dissolving the company.

4. Profit and Loss Distribution

States how profits and losses are allocated — usually proportional to ownership percentage, but not always. Some LLCs allocate profits based on "sweat equity" or other agreed formulas.

5. Capital Contributions and Calls

Defines initial contributions and whether members can be required to make additional capital contributions in the future (capital calls). Also addresses what happens if a member can't meet a capital call.

6. Member Changes (Transfers and Exit)

This is often the most important section. It covers:

Buy-sell agreements: Can a member sell their interest? To whom?
Right of first refusal: Other members have the right to buy a departing member's interest before an outsider can
Involuntary transfers: What happens in death, divorce, or bankruptcy
Valuation method: How is the LLC's value determined for a buyout?

7. Dissolution

Specifies how and when the LLC can be dissolved, and how assets are distributed when it is.

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Member-Managed vs. Manager-Managed LLCs

Member-managed LLCs are run directly by the owners (members). Each member can bind the company and make routine business decisions. Best for small businesses where all owners are involved in operations.

Manager-managed LLCs designate one or more managers (who may or may not be members) to run the business. Silent investors or passive members don't have day-to-day authority. Best for LLCs with outside investors or members who aren't involved in operations.

Your operating agreement must clearly state which structure you've chosen. The default in most states is member-managed.

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State Requirements

State	Required?	Notes
California	Yes	Must be in writing; required by Cal. Corp. Code § 17701.10
Delaware	Yes	Required but can be oral; written strongly recommended
Maine	Yes	Required under Maine LLC Act
Missouri	Yes	Required under Missouri LLC Act
New York	Yes	Must be created within 90 days of Articles of Organization filing
All others	No	Strongly recommended regardless

Even in states without a requirement, your LLC's articles of organization often reference an operating agreement. Most attorneys recommend creating one even for single-member LLCs.

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How to Write an Operating Agreement

Step 1: Gather Basic Information

Collect: LLC name, state of formation, principal business address, all member names and addresses, initial capital contributions, and ownership percentages.

Step 2: Choose Management Structure

Decide member-managed or manager-managed. Name any designated managers if applicable.

Step 3: Define Voting Thresholds

List decisions that require majority vote, supermajority, and unanimous consent. Be specific — vague language leads to disputes.

Step 4: Address Distributions

Specify how and when profits are distributed. Quarterly? Annually? At the discretion of managers? Specify the tax treatment (most LLCs are pass-through entities).

Step 5: Draft the Exit Provisions

This is the most frequently litigated section. Include right of first refusal, buyout formulas (e.g., book value, third-party appraisal, multiple of EBITDA), and timelines.

Step 6: Address What Happens on Death or Incapacity

Many operating agreements forget this. Specify whether a deceased member's estate inherits the economic interest only (profits) or also voting rights.

Step 7: Have All Members Sign

All members must sign the operating agreement. For manager-managed LLCs, managers should also sign. Store the signed original with your LLC's business records.

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Common Mistakes to Avoid

Using a generic template without customization. A template is a starting point, not a finished product. Every LLC's ownership structure, industry, and partner relationships are different.

Skipping the buyout provisions. Most business disputes arise when a partner wants out. An operating agreement without a clear exit mechanism guarantees expensive litigation.

Ignoring tax elections. By default, multi-member LLCs are taxed as partnerships. If you want S-corp tax treatment, you need to make an election with the IRS (Form 2553) and ensure your operating agreement is compatible.

Not updating after major changes. If you add a new member, change the management structure, or significantly change the business, update the operating agreement. Amendments should be signed by all members.

Failing to keep it with your records. Your operating agreement should be stored with your articles of organization, EIN confirmation, and other founding documents.

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Frequently Asked Questions

Q: Does a single-member LLC need an operating agreement? A: Yes. Even with one owner, an operating agreement helps protect your liability shield, is required by some states (Delaware, California, Maine, Missouri, New York), and is required by banks to open a business account. It also documents your capital contributions and management structure for tax purposes.

Q: Can I write an operating agreement myself? A: Yes, especially for simple single-member LLCs. For multi-member LLCs — particularly if significant money, IP, or real estate is involved — an attorney review is worth the cost. Disputes over poorly written operating agreements routinely cost more than what an attorney would have charged upfront.

Q: Does an operating agreement need to be notarized? A: Generally no. Signatures of all members are typically sufficient. Some states (California, New York) have specific requirements — check your state's LLC act. Notarization adds legitimacy but isn't required in most jurisdictions.

Q: What's the difference between an operating agreement and articles of organization? A: Articles of organization are filed with the state to officially form your LLC — they're public record. Your operating agreement is an internal document that governs how the LLC operates — it's not filed with the state and is private.

Q: Can an operating agreement be amended? A: Yes. Most operating agreements specify how they can be amended — typically requiring unanimous consent of all members or a supermajority. Keep a signed amendment with your original agreement.

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