Michigan Single-Member LLC Operating Agreement
Create a Michigan single-member LLC operating agreement with state-specific guidance on the Michigan LLC Act's defaults, fees, and asset protection.
Introduction
A single-member LLC operating agreement is the internal document where you, as the sole owner of a Michigan LLC, set the rules for how your business runs, how profits are handled, and what happens if you bring on a partner or close the business later. Michigan does not require every LLC to have one, but the Michigan LLC Act defines "operating agreement" as a written agreement, so an oral or handshake understanding does not count as one under state law. Having a written agreement is the clearest evidence, if a court or the IRS ever asks, that you are running a real business, not just using the LLC as a personal wallet.
Key Things to Know
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Michigan does not require an LLC to have an operating agreement, but the Michigan LLC Act defines 'operating agreement' as a written agreement (MCL 450.4102), so an oral or implied understanding does not legally qualify as one the way it can in some other states.
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Without an operating agreement, Michigan law allocates profits, losses, and distributions in equal shares to all members, not based on the size of each member's capital contribution (MCL 450.4303).
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A charging order is the exclusive statutory remedy against a member's LLC interest in Michigan, and the statute itself bars a creditor from foreclosing on that interest (MCL 450.4507).
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Michigan LLCs owe no annual franchise tax or privilege tax. The recurring state obligation is a $25 Annual Statement filed with LARA, due February 15 each year starting the year after formation.
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An operating agreement can modify Michigan's default duty of loyalty, and can eliminate a manager's monetary liability for breach of duty almost entirely, except for improper financial benefit, unlawful distributions, a knowing violation of law, or acts before the provision took effect (MCL 450.4404, 450.4407).
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The operating agreement itself is not filed with the state. You form the LLC by filing Articles of Organization (Form CSCL/CD-700, $50 fee) with the Michigan Department of Licensing and Regulatory Affairs (LARA).
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Michigan does not authorize Series LLCs. If you need to separate assets or liabilities across different lines of business, you need separate Michigan LLCs, not a single series structure.
Key decisions before you file
Before you file a LLC Operating Agreement in Michigan, a few decisions shape the document: which option to choose and what each one means. The LLC Operating Agreement guide walks through them.
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Michigan Requirements for LLC Operating Agreement
Michigan law recognizes an operating agreement's authority to govern the LLC's internal affairs and the relations among members, managers, and the company, except where a statute specifically restricts that authority. Unlike some states, Michigan's own definition of "operating agreement" (MCL 450.4102) requires it to be written; an oral or implied understanding does not have this legal effect under Michigan law.
Michigan law (MCL 450.4404) requires a member or manager to act in good faith, with the care an ordinarily prudent person would exercise, and to account for any profit or benefit personally derived from a company transaction, unless the operating agreement provides otherwise. Separately, MCL 450.4407 lets the operating agreement eliminate a manager's monetary liability for breaching these duties, except for receipt of an improper financial benefit, liability for unlawful distributions, a knowing violation of law, or acts before the provision took effect.
Under MCL 450.4216, the Company may indemnify, hold harmless, and defend a member, manager, or other person against losses, expenses, claims, and demands arising from their role with the Company, and may purchase insurance for that purpose. Indemnification is not available for receipt of an improper financial benefit, liability for unlawful distributions, or a knowing violation of law (cross-referencing MCL 450.4407(a)-(c)).
Absent a contrary operating agreement, each member of a Michigan LLC has one vote, and a majority in interest of the members entitled to vote is required to approve most matters (MCL 450.4502). The operating agreement can allocate voting rights differently, including giving some members limited or no voting rights.
Absent a contrary operating agreement, an assignee of a membership interest in a Michigan LLC with more than one member may become a member only by unanimous vote of the members entitled to vote. In a single-member LLC, an assignee may become a member under the terms the member and assignee agree to (MCL 450.4506).
Under MCL 450.4509, a member of a Michigan LLC may withdraw only as the operating agreement provides -- Michigan gives members no independent statutory right to withdraw. The operating agreement should state whether and how a member may withdraw and what, if anything, a withdrawing member is entitled to receive.
The operating agreement must specify how profits, losses, and distributions will be allocated among members, which can modify Michigan's default equal allocation rule.
Under MCL 450.4503, a member may request the LLC's most recent annual financial statement and tax returns by written request, and may inspect and copy the LLC's required records during ordinary business hours at the member's own expense. The operating agreement can expand these rights but cannot eliminate them.
Michigan's default rule for amending the Articles of Organization requires a unanimous vote of the members entitled to vote, unless the operating agreement authorizes amendment by a lesser vote (MCL 450.4603). The operating agreement should set its own amendment procedure for itself rather than rely on this Articles-of-Organization default.
MCL 450.4507 makes a charging order the exclusive remedy by which a judgment creditor of a member may satisfy a judgment out of the member's LLC interest, and the statute itself bars the creditor from foreclosing on that lien or the underlying membership interest.
Michigan does not authorize the formation of series LLCs. The Michigan Limited Liability Company Act contains no provision creating a "series" or "protected series" structure. A business that wants to segregate assets and liabilities across different lines of business needs separate Michigan LLCs, not a single series structure.
Frequently Asked Questions
It's the internal document where a Michigan LLC's sole owner sets the rules for running the business and handling profits. Michigan law defines 'operating agreement' as a written agreement, so unlike some states, an oral or handshake understanding doesn't legally qualify as one here, and it's the clearest proof the LLC is a real business, not just a personal wallet.
Not by legal requirement. Michigan LLCs can operate without one. But without a written operating agreement, state default rules apply automatically, including an equal-shares profit split rather than one you choose, and Michigan's statute only recognizes a written document as an 'operating agreement' in the first place (MCL 450.4102).
Michigan's default LLC rules fill the gap. Profits, losses, and distributions get allocated in equal shares among members rather than however you'd choose to split them, which matters most once you bring on a second member and haven't defined your own split (MCL 450.4303).
It supports that protection. Michigan law makes a charging order the exclusive remedy a creditor can use against your LLC interest, and the statute itself bars foreclosure on that interest (MCL 450.4507). Following your agreement and keeping business and personal finances separate is still what keeps that protection reliable.
Michigan LLCs owe no annual franchise or privilege tax, unlike states such as California. The recurring cost is a $25 Annual Statement filed with the Department of Licensing and Regulatory Affairs (LARA), due February 15 each year starting the year after formation.
No. You file Articles of Organization (Form CSCL/CD-700, $50 fee) with LARA to form the LLC, but the operating agreement itself is an internal document. You keep it with your own business records and never file it with the state, the same way you would keep any other internal company record.
Largely, yes. The default duty of loyalty applies except as your agreement provides otherwise, and monetary liability for breaching these duties can be eliminated almost entirely, except for improper financial benefit, unlawful distributions, a knowing violation of law, or pre-effective-date acts (MCL 450.4404, 450.4407).