Missouri LLC Operating Agreement: Legally Required (2026)
Missouri operating agreements set internal governance terms. Missouri §347.081 requires the member or members to adopt an operating agreement. Under §347.015(13), multiple members may have a valid written or oral agreement among all members; a sole member uses a written declaration. This guide provides free templates and a clause checklist.
Missouri §347.081 requires the member or members to adopt an operating agreement. Under §347.015(13), multiple members may have a valid written or oral agreement among all members; a sole member uses a written declaration. Section 347.081 allows terms for management, voting, transfers, allocations and tax elections, subject to the LLC Act and other law. Freedom of contract does not authorize unlawful terms. Keep the agreement internally rather than filing it with the Secretary of State. Keep the agreement internally. Bank requirements vary; it does not guarantee liability protection.
- Required by Missouri?
- Yes — by statute (347.081)
- Filed with the state?
- No — internal
- Can it be oral?
- Technically yes, not recommended
- Banks ask for it?
- Check bank requirements
- Cost (template)
- $0
- Governing law
- RSMo Chapter 347
What Missouri Law Actually Requires
Most states treat the operating agreement as optional-but-recommended. Missouri doesn't. RSMo § 347.081 states plainly: "The member or members of a limited liability company shall adopt an operating agreement." That's mandatory language, not a suggestion. In practice, this changes little about the mechanics — you still never file it with the Secretary of State, and there's no state office checking whether you have one — but it does mean Missouri's own law has already decided the question every other state leaves up to you.
Missouri’s multi-member operating agreement may be written or oral among all members under§ 347.015. A sole member uses a written declaration. Written terms and signatures are practical evidence; bank document policies vary. Keep the agreement internally and apply the statutory limits.
- It's the law, not just good practice: Missouri statute requires adoption, even though there's no filing or enforcement mechanism checking compliance directly.
- Bank documents: ask the institution what ownership and authority records it needs; it may request a written operating agreement.
- Written terms document governance and decisions. They do not guarantee liability protection or make an operating agreement a statutory prerequisite to charging-order protection.
- Missouri's freedom-of-contract policy: the statute explicitly states its policy is to "give the maximum effect to the principle of freedom of contract" — your agreement's terms control almost everything.
Missouri Agreement Rules and Defaults
Form and adoption
Missouri §347.081 requires the member or members to adopt an operating agreement. Under §347.015(13), multiple members may have a valid written or oral agreement among all members; a sole member uses a written declaration.
Statutory defaults and limits
Section 347.081 allows terms for management, voting, transfers, allocations and tax elections, subject to the LLC Act and other law. Freedom of contract does not authorize unlawful terms. Keep the agreement internally rather than filing it with the Secretary of State.
Approval and amendments
For a sole member, prepare the written declaration. Multiple members should record the agreement in writing and document assent. Establish an amendment procedure and retain approvals.
Start with the free national templates below. Customize ownership, contributions, management, voting, distributions, transfers and exits for your company and state law. Bank requirements vary; an agreement does not guarantee liability protection.
Missouri §347.015: member and sole-member definitionsMissouri §347.081: required adoption and limitsFree Operating Agreement Downloads for Your Missouri LLC
Choose the template that matches your LLC's ownership and management. These are LLC School's national master templates, also available in the core operating agreement guide. Customize the document for your company and Missouri law before signing.
Single-Member
For one member who owns and generally controls the LLC.
Download single-member PDFMulti-Member / Member-Managed
For multiple members who participate directly in company management.
Download member-managed PDFManager-Managed
For LLCs whose members delegate management authority to designated managers.
Download manager-managed PDFBefore signing: Fill the applicable blanks, remove clauses that do not fit, confirm ownership and management terms, and review state-specific limitations. Seek professional legal or tax advice for complex arrangements. Read the national template guidance.
Build Your Clause Checklist
Missouri Operating Agreement Clause Builder
3 questions · custom clause checklist · educational, not legal advice
Checklist is educational. Multi-member LLCs with significant assets or unequal deals should have a Missouri business attorney review the final agreement.
The Core Sections Every Missouri Agreement Needs
Formation & purpose
Name, formation date (from your confirmed Articles), registered agent, and a broad purpose clause.
Members & ownership percentages
Who owns what, each member's capital contribution, and how new members are admitted.
Profit & loss allocation
How profits split — by percentage or a documented custom formula — and when distributions happen.
Management & voting
Member- vs manager-managed, decision thresholds, and any items requiring unanimity.
Transfer restrictions & buy-sell
Right of first refusal, valuation method, and triggers: exit, death, disability, divorce.
Dissolution & wind-down
What ends the company and how assets are distributed under Missouri law.
Plus: tax classification and representative, banking authority, indemnification, amendment procedure, and severability. Start from the free template in our national operating agreement guide.
Single-Member LLCs: The Statute Still Applies
Bank documents: ask the institution what ownership and authority records it needs; it may request a written operating agreement.
Keeping It Current
Revisit the agreement when ownership changes, a member's role shifts, or you elect S-Corp taxation. Amendments follow whatever procedure the agreement sets — which is why the amendment clause matters on day one. Since Missouri has no annual report to prompt a review, set your own reminder to revisit it periodically.
Ahmad Adil’s Take: agree on money, control and exits before disputes arise. Use the free national templates, customize for Missouri, and document approvals. Complex arrangements merit professional review.
- ✓Optional formation assistance; confirm filing scope, service pricing and government fees before ordering.
- ✓Confirm filing method, document preparation and submission responsibilities before ordering.
- ✓Confirm registered-agent service availability, included periods and renewal charges.
- ✓Review address-use rules and privacy policies; a service does not remove all information from public filings.
Disclosure: LLC School may earn a commission via this link, at no cost to you. See our advertising disclosure.
Missouri LLC — FAQ
Is an operating agreement required for a Missouri LLC?
Can a Missouri operating agreement be oral?
Does a single-member Missouri LLC need an operating agreement?
What happens if my Missouri LLC doesn’t have an operating agreement?
Do I file my operating agreement with the Missouri Secretary of State?
How much does a Missouri operating agreement cost?
Can we change our Missouri operating agreement later?
Ahmad Adil is the founder and CEO of LLC School. For agreement terms and member responsibilities, consult the state LLC statute and a qualified adviser. See the national operating agreement guide. This is educational information, not legal or tax advice.
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