The LLC operating agreement: what it is and why you need one

What an operating agreement is

It is the LLC's analog to a corporation's bylaws and shareholder agreement, combined into one document. Unlike articles of organization — which are filed publicly with the state and contain almost nothing of substance — the operating agreement is a private contract among the members and is not filed anywhere.

Do you legally need one?

The short answer: it depends on the state, but the practical answer is yes everywhere.

Only a handful of states legally require LLCs to have a written operating agreement — California, Delaware, Maine, Missouri, and New York are the most commonly cited. The other 46 jurisdictions make it optional as a matter of statute.

But statute is only one reason to have one. Here are the others:

• Your bank will ask for it. Most banks want to see a signed operating agreement before opening a business account. A single-member LLC can sometimes open an account on just the articles and EIN, but multi-member LLCs almost never can.
• Your limited liability depends on it. The whole point of an LLC is that personal assets are separated from business liabilities. Courts in "piercing the corporate veil" cases look for signs that the owners actually treated the LLC as a separate entity: separate bank accounts, meeting minutes, and — critically — an operating agreement. A single-member LLC without one looks a lot like a sole proprietorship wearing a costume.
• State default rules apply without it. If you do not have one, your LLC is governed by your state's default LLC act. These defaults almost never match what the founders actually want. For example, most states default to equal profit distribution regardless of capital contribution; if one member put in $90,000 and the other put in $10,000, they both get 50 percent of profits under the default.

What an operating agreement must cover

There is no universal template. But a functional agreement covers these eight areas:

1. Members and membership interests

Who owns the LLC, and in what percentages. List every member's legal name and their ownership percentage. If there are membership units (e.g., 10,000 units outstanding, member A holds 6,000), list those instead. Membership interest determines voting rights and profit/loss allocation unless the agreement explicitly splits those three things apart — which you can do, and which is one of the main reasons to have a custom operating agreement at all.

2. Capital contributions

What each member put in — cash, property, or services — and its agreed value. If a member contributes a patent or a piece of equipment, the agreed value matters for tax basis and for buy-out calculations later. Also address future capital calls: can the managers demand additional contributions? What happens if a member refuses to fund one? Dilution, forced buy-out, and loan-in-lieu are all common solutions.

3. Management structure

LLCs are either member-managed (all members run the business by default) or manager-managed (one or more designated managers, who may or may not be members, run it). Member-managed is the default in most states. Manager-managed makes sense when there are passive investors who do not want to participate in day-to-day operations.

Specify: Who signs checks? Who signs contracts? What decisions require a majority vote, a supermajority, or unanimous consent? Major decisions worth reserving for unanimous consent typically include: admitting new members, amending the operating agreement, selling substantially all assets, and taking on debt above a threshold.

4. Profit and loss allocation

How profits and losses are allocated among members for tax purposes. In many LLCs, allocations simply track ownership percentages. But you can allocate differently — e.g., give one member a preferred return of 8 percent before other distributions — if the allocation has substantial economic effect under IRC Section 704(b). This is where a tax lawyer earns their fee.

5. Distributions

Allocations are paper entries; distributions are actual cash payments. The agreement should specify when distributions happen (quarterly, annually, upon board discretion) and whether any tax distributions are required. Tax distributions are a standard feature: the LLC pays out enough cash every year for members to cover the tax on their allocated share of profits, even if the LLC is otherwise reinvesting.

6. Transfer of membership interests

What happens when a member wants to sell, gift, or pledge their membership interest. Most operating agreements restrict transfers heavily: the selling member must first offer the interest to the other members (right of first refusal) or to the LLC itself (right of first offer). Some require unanimous consent. The reason: membership interests are not like corporate shares; they come with management rights and tax consequences. You do not want to wake up to a new business partner because the old one sold their interest to a stranger.

7. Death, disability, and dissolution

What happens when a member dies, becomes incapacitated, or wants out. Without provisions, default state law applies — which in many states means the LLC has to dissolve upon a member's death unless the remaining members unanimously agree to continue. The operating agreement should provide for automatic continuation, with the deceased member's interest either bought out at a pre-agreed formula or passed to their estate (sometimes as a non-voting economic interest only).

8. Dispute resolution and dissolution

How disagreements get resolved — arbitration, mediation, or litigation. Whether venue is fixed to a particular state and court. How the LLC gets wound up if the members agree to dissolve: who collects accounts receivable, who pays creditors, how remaining assets are distributed.

The single-member LLC question

If you are the only member, why do you need an operating agreement? Three reasons:

1. Veil-piercing protection. Courts treat a single-member LLC without an operating agreement as suspicious. The agreement is evidence that you treated the LLC as a separate entity.
2. Successor planning. The agreement specifies what happens if you die or become incapacitated. Without it, your LLC interest becomes part of your probate estate, and the business can stall for months while the estate is administered.
3. Future-proofing. If you later admit a second member, you want the governance framework already in place. Amending an existing agreement is easier than drafting one under time pressure.

A single-member operating agreement is shorter — 3 to 5 pages is plenty — but it should still cover: sole member's identity, capital contribution, management authority, successor on death, and dissolution procedure.

Common drafting mistakes

• Using a generic template verbatim. Templates are fine as a starting point but they bake in assumptions that may not match your deal. The most commonly wrong defaults: equal profit allocation regardless of contribution, member-managed structure when you wanted manager-managed, and no tax distribution clause.
• Forgetting to sign it. An operating agreement is a contract; it is not effective until signed. Sign it, have every member sign it, and keep the original somewhere you can find it in five years.
• Not updating it when things change. New member joins. Member leaves. Capital structure changes. Amend the agreement and have everyone sign the amendment. A stale operating agreement is worse than none — it gives the appearance of a governing document that does not actually govern.
• Contradicting the articles of organization. The articles filed with the state control some facts: the LLC's legal name, its registered agent, and whether it is manager-managed or member-managed (in most states). The operating agreement cannot override the articles on these points. If you change management structure, file an amendment to the articles first.
• Leaving tax elections out. If you plan to elect S-corp taxation, the operating agreement should acknowledge that election and not contain provisions that would disqualify it (e.g., multiple classes of membership interest with different distribution rights — S-corp rules require only one class of stock).

Where to get one

In rough order of cost and customization:

1. Free templates. The SBA, LegalZoom, and Rocket Lawyer all publish free templates. Fine for a single-member LLC or a simple two-member partnership where both members trust each other completely and the amounts at stake are modest.
2. Paid online services. Rocket Lawyer, LegalZoom, and Nolo sell customized operating agreements in the $40 to $200 range. They walk you through a questionnaire and produce a document. Better than a blank template; still not a substitute for legal advice if you have anything unusual.
3. A business attorney. Expect $800 to $3,000 for a custom operating agreement, more if the capital structure is complex. Worth it if: you have outside investors, you are contributing non-cash assets with ambiguous valuation, there is a significant imbalance in capital contributions vs. sweat equity, or you expect to raise capital or sell the company within a few years.

After it is signed

Store the signed agreement with the rest of the LLC's corporate records: articles of organization, EIN confirmation (CP 575), initial member list, and any amendments. Re-read it annually. When something changes materially — a new member, a new capital call, a shift to manager-managed — amend it and have all members sign the amendment. Do not just save a newer Word file; actually sign.

The operating agreement is not a piece of paperwork you file and forget. It is the constitution of your business. Treat it that way.

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This article is a general guide, not legal advice. Operating agreement requirements vary by state and the economics of any particular deal. For multi-member LLCs with material capital at stake, consult a business attorney.