Is an operating agreement required for LLCs in Michigan?

No, Michigan does not legally require LLCs to have an operating agreement. However, it's highly recommended because it protects your liability shield, prevents disputes among members, and allows you to customize how your LLC operates instead of relying on default state laws.

Can I write my own Michigan LLC operating agreement?

Yes, you can draft your own operating agreement for your Michigan LLC. However, consider consulting with a business attorney for complex situations or multi-member LLCs to ensure all legal requirements are met and potential issues are addressed properly.

Does a Michigan LLC operating agreement need to be notarized?

No, Michigan does not require LLC operating agreements to be notarized. The agreement becomes effective when signed by all members, though notarization can add an extra layer of authenticity if you choose to do so.

What happens if my Michigan LLC doesn't have an operating agreement?

Without an operating agreement, your Michigan LLC will be governed by the state's default LLC laws under the Michigan Limited Liability Company Act. This means you'll have less control over how your business operates, profit distribution, management structure, and dispute resolution.

Can I amend my Michigan LLC operating agreement after it's signed?

Yes, you can amend your Michigan LLC operating agreement at any time, provided you follow the amendment procedures outlined in the original agreement. If no amendment process is specified, all members must typically agree to any changes in writing.

Michigan LLC Operating Agreement: Complete 2026 Guide

Protect your Michigan LLC with a properly drafted operating agreement. Get our free template and learn the state-specific requirements.

By Edmond Hui · Last updated: January 2026

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State Requirements

Required By Law	no
Must Be Filed	no
Special Rules	None beyond standard requirements

What to Include in Your Operating Agreement

Ownership & membership

Define each member's ownership percentage, capital contributions, and membership interests. This section establishes who owns what portion of your Michigan LLC and prevents future disputes.

Management structure

Specify whether your LLC is member-managed or manager-managed and outline decision-making authority. Clear management roles protect your business and ensure smooth operations.

Voting rights

Establish voting procedures, quorum requirements, and what decisions require member approval. Well-defined voting rights prevent deadlocks and ensure important decisions can be made efficiently.

Profit/loss allocation

Detail how profits and losses will be distributed among members, which may differ from ownership percentages. This section affects your tax obligations and member relationships.

Member duties

Outline each member's responsibilities, time commitments, and fiduciary duties to the LLC. Clear expectations prevent conflicts and ensure all members contribute appropriately.

Dissolution process

Define the circumstances that trigger dissolution and the process for winding up the LLC's affairs. Having a clear exit strategy protects all members' interests when the business ends.

Amendment procedures

Establish how and when the operating agreement can be modified, including voting requirements for changes. This flexibility allows your agreement to evolve with your business needs.

Frequently Asked Questions

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