The LLC operating agreement, explained
What the operating agreement actually is, why it matters more than most guides admit, the 12 clauses every agreement should include, and the 4 US states where one is legally mandatory. Written for someone who wants a useful document in hand rather than a law review article.
What the operating agreement is, in plain terms
The operating agreement is the internal contract between an LLC and its members. It governs who owns what, how profits are split, how decisions get made, how new members are added, how old members exit, and what happens when things go wrong. The Articles of Organization (filed with the state to create the LLC) establish that the LLC exists; the operating agreement establishes how the LLC actually runs.
The agreement stays private. Nothing about it is filed with the state, and the public cannot search it the way they can search the Articles. It becomes relevant when an LLC needs to prove its governance to a bank, an investor, a buyer, or a court. In litigation, the operating agreement is often the most valuable document the LLC owns because it resolves disputes that otherwise default to ambiguous state statutes.
Why it matters, even when not required
In the 47 states where the operating agreement is optional, skipping one is a common beginner mistake. Three specific problems the absence creates:
Weakens the liability shield
Courts look for evidence that the LLC is a real separate entity, not just a tax identity. Operating agreements are primary evidence. An LLC with no written agreement, commingled funds, and no documented decisions looks like an alter ego of its owners, which is the classic fact pattern for piercing the corporate veil.
State defaults override member intent
Without an operating agreement, the state's default rules apply. Most state defaults split profits and voting equally regardless of capital contribution, require unanimous consent for major decisions, and treat every member as a manager. These defaults rarely match what multi-member LLCs actually want.
Dispute resolution becomes litigation
A written agreement with clear decision procedures, buyout clauses, and dissolution triggers resolves most disputes internally. Without one, disagreements between members escalate to court, which is slow and expensive. Most LLC litigation traces back to the absence of a written operating agreement.
Banks and investors want one
Business bank accounts, SBA loans, commercial leases, and outside investment all typically require the LLC to produce a signed operating agreement. A small startup without one often has to scramble to draft something at the last minute when a bank requests it, which leads to poorly thought-through documents.
The 4 states that require an operating agreement
These states' LLC statutes explicitly require a written operating agreement. Non-compliance won't get the LLC dissolved by itself, but it becomes a problem the first time the LLC is audited, sued, or needs to prove its governance structure.
| State | Statutory basis | Deadline to adopt |
|---|---|---|
| California | Cal. Corp. Code § 17701.02 | Before or at formation |
| Maine | 31 MRSA § 1521 | Before or at formation |
| Missouri | Mo. Rev. Stat. § 347.081 | Before or at formation |
| New York | NY LLC Law § 417 | Within 90 days of Articles filing |
The 12 clauses every operating agreement should include
- Company name and principal office
Restate the legal name exactly as registered. Include the principal business address and the state of formation.
- Formation date and duration
Date the Articles of Organization were filed. Most LLCs are perpetual; specify if yours has a defined termination date.
- Purpose and permitted business activities
Either a general-purpose clause ("any lawful business") or a specific description. Specific purpose clauses can limit liability in some states.
- Members and ownership percentages
List every member by name, address, capital contribution, and ownership percentage. Ownership percentages drive profit distribution and voting unless specified otherwise.
- Management structure
Member-managed (all members have authority) or manager-managed (only designated managers have authority). Specify the managers by name if manager-managed.
- Voting rights and thresholds
What percentage of member vote is required for each type of decision: ordinary operations, admitting new members, amending the agreement, selling the business, dissolving the LLC.
- Capital contributions and additional contributions
Initial cash or property each member contributed. Whether additional contributions can be required later, and what happens if a member can't or won't contribute.
- Profit, loss, and distribution allocation
How profits and losses are split between members. Whether distributions are automatic or require a vote. Tax-distribution provisions for pass-through members.
- Transfer and assignment of membership interests
Whether a member can sell or assign their interest, and under what conditions. Right of first refusal for remaining members. Restrictions on outside assignees.
- Buy-sell provisions
What happens when a member dies, becomes disabled, divorces, files bankruptcy, or wants to exit. Valuation method (book value, appraisal, formula). Payment terms for the buyout.
- Dissolution triggers and procedures
What events trigger dissolution. How remaining members can continue the LLC after a triggering event. Distribution priority in dissolution (creditors first, then members).
- Amendment procedure
What vote threshold is required to amend the agreement. How amendments are documented. Whether some provisions require unanimous consent to change.
Member-managed or manager-managed?
The operating agreement has to specify one or the other. The distinction shows up in two places: who has authority to bind the LLC in contracts, and how members without day-to-day operational roles relate to the business.
Member-managed (default in most states)
Every member has authority to act for the LLC. Contracts, leases, and bank accounts can be signed by any member. Works well for small LLCs with 1-3 active partners who all participate in operations. Doesn't work when some members are passive investors.
Manager-managed
Only designated managers have authority. Members vote to elect managers but don't individually bind the LLC. Works better for LLCs with passive investors, family-trust owners, or a clear founder-plus-silent-partner structure. Required for LLCs that want to operate like a small corporation.
DIY, template, or attorney?
- DIY from scratch
Works for single-member LLCs with straightforward ownership. Free. Use a reputable state-specific template from the Secretary of State website, a legal aid organization, or a formation service.
- Formation service template
Most formation services bundle a basic operating agreement with their Basic tier or as a small add-on. Northwest and Bizee include free templates. Rocket Lawyer has a guided questionnaire-driven template. Adequate for simple multi-member LLCs with equal ownership.
- Attorney-drafted
$300 to $1,500 depending on complexity. Justifiable when the LLC has unequal capital contributions, outside investors, vesting schedules, preferred returns, or operates in a regulated industry. Get multiple quotes and ask for a flat fee rather than hourly.
Common operating agreement mistakes
- Copying a template without editing. Templates include placeholder values and state-generic language. Every blank must be filled in with your actual LLC's specifics. Leaving templated names, addresses, or percentages in the final document is a common cause of later disputes.
- Not signing it. An unsigned operating agreement is not a binding contract. Every member has to sign (and date) the agreement. Electronic signatures are valid in every US state under E-SIGN and UETA, but keep a signed PDF in the LLC's records.
- Treating ownership and management as the same thing. They don't have to be. A 90-10 ownership split can coexist with 50-50 decision-making authority if the operating agreement specifies it. Separating ownership percentages from voting percentages is a common structure for active/passive partnerships.
- Forgetting the buy-sell clause. Most LLC disputes involve a member wanting to exit. Without a pre-agreed buyout mechanism, exits turn into litigation over valuation. Lock in the valuation method before anyone has reason to dispute it.
- No amendment procedure. Circumstances change. Without a specified amendment procedure, even the members can't legally modify the agreement without unanimous consent, which is often impossible.
- Skipping the tax-distribution clause. In a multi-member LLC, members pay taxes on their share of profit whether or not the LLC distributes cash. Without a mandatory tax-distribution clause, some members face a tax bill with no cash to pay it.
Frequently Asked Questions
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What is an LLC operating agreement?
The operating agreement is the internal contract between the LLC and its members. It governs ownership percentages, profit distribution, management rights, voting thresholds, how new members are admitted, how members exit, what happens when a member dies, and what triggers dissolution. It is separate from the Articles of Organization that create the LLC with the state. The Articles are public; the operating agreement is private to the members.
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Which US states require an LLC operating agreement?
4 states statutorily require LLCs to adopt a written operating agreement: California, Maine, Missouri, New York. New York additionally requires the operating agreement to be adopted within 90 days of the Articles of Organization being filed. Every other state treats the operating agreement as strongly recommended rather than mandatory. Without one, the state's default LLC statute governs the LLC's internal affairs, which is rarely the result members actually want.
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Do single-member LLCs need an operating agreement?
Technically no, practically yes. A single-member LLC with no operating agreement operates under the state's default LLC rules, which in some states (particularly those with older statutes) can weaken the limited liability shield if challenged in court. A written operating agreement, even a short one, demonstrates that the LLC is a real entity distinct from the owner. Most courts look for exactly this when deciding whether to pierce the corporate veil. The single-member LLC pillar covers this in more depth.
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Can I write my own operating agreement or do I need a lawyer?
You can write your own for a single-member LLC or a simple multi-member LLC with equal ownership and management roles. Free templates are widely available (including from Bizee, Northwest, ZenBusiness, and Rocket Lawyer as part of formation packages). Hire a lawyer when the structure is complex: unequal contributions, passive investors, preferred returns, vesting schedules, industry-specific regulations, or family trust ownership. Budget $300 to $1,500 for an attorney-drafted agreement.
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Can I change the operating agreement after it's signed?
Yes. The operating agreement specifies its own amendment procedure (typically requiring unanimous or majority member consent depending on the change). Amendments are handled internally between members; nothing is filed with the state. Document the amendment in writing, have all required members sign, and keep the amended version in the LLC's permanent records. Oral amendments almost always fail if challenged later.
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Does the operating agreement get filed with the state?
No. Unlike the Articles of Organization (which creates the LLC on the state's public record), the operating agreement stays internal to the LLC. The state never sees it. Keep the signed original with the LLC's records, and provide copies to banks, investors, or lawyers when they need proof of the LLC's internal governance structure.
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What happens if the operating agreement conflicts with state law?
State LLC statutes distinguish between provisions you can override in the operating agreement and provisions you cannot. Ownership percentages, profit distribution ratios, and management structure are almost always override-able. Fiduciary duties between members, the right of members to sue for accountings, and some dissolution triggers are often not override-able. If the operating agreement tries to eliminate something the state considers non-waivable, that specific provision is unenforceable but the rest of the agreement stands.
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What if my LLC has no operating agreement and a dispute arises?
The state's default LLC statute governs. In most states, that means equal profit distribution regardless of capital contribution, equal voting power regardless of ownership percentage, and unanimous consent required for most major decisions. For a multi-member LLC with unequal contributions or differing levels of involvement, the defaults usually don't match what the members actually intended, and resolving disputes without a written agreement is expensive. Most litigation over LLC internal affairs traces back to the absence of a written operating agreement.