Montana Single-Member LLC Operating Agreement
Create a Montana single-member LLC operating agreement with state-specific guidance on default rules, taxes, and liability protection.
Introduction
A single-member LLC operating agreement is the internal document where you, as the sole owner of a Montana LLC, set the rules for how your business runs, how profits are shared, and what happens if you bring on a partner or wind the company down later. Montana does not require an operating agreement to be in writing, but a few specific rules, including recordkeeping and distributions, only change if you put them in writing, and without one Montana's default rule splits profits and losses equally among members rather than by ownership share. A written agreement is also the clearest evidence that you are running a real business, not just using the LLC as a personal wallet.
Key Things to Know
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Montana does not require an operating agreement to be in writing (Mont. Code Ann. Section 35-8-109), but written form is required to vary the default rules on recordkeeping, distribution rights, and member admission.
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Without a written agreement, Montana splits profits, losses, and distributions equally among members, not in proportion to each member's capital contribution (Mont. Code Ann. Sections 35-8-503 and 35-8-601).
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A charging order is by statute the exclusive remedy a judgment creditor has against a member's LLC interest (Mont. Code Ann. Section 35-8-705), and Montana law draws no separate carve-out for single-member LLCs.
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Montana has no annual franchise tax or flat LLC fee. LLCs file an Annual Report with the Secretary of State each year by April 15, currently fee-waived through 2027 if timely filed, or $35 if filed late.
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The duty of loyalty and the duty of care cannot be eliminated by the operating agreement, only narrowed within limits, and neither modification has to be in writing to be effective (Mont. Code Ann. Section 35-8-109(4)).
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The Articles of Organization must state whether the LLC is member-managed or manager-managed; Montana has no silent default if the articles are left blank on this point (Mont. Code Ann. Section 35-8-202).
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Montana's LLC Act explicitly allows series LLCs, with an additional $50 filing fee per named series member on top of the $35 base Articles of Organization fee.
Key decisions before you file
Before you file a LLC Operating Agreement in Montana, 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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Montana Requirements for LLC Operating Agreement
This Operating Agreement governs the relations among members, managers, and the LLC. To the extent this Agreement does not provide for a matter, the Montana LLC Act governs. Members acknowledge that this Agreement supersedes default statutory provisions that would otherwise apply.
The LLC has been or will be formed by filing Articles of Organization with the Montana Secretary of State in accordance with state law. The Articles of Organization are incorporated by reference into this Operating Agreement.
The Articles of Organization must state whether the LLC is member-managed or manager-managed (Montana Code Annotated Section 35-8-202(1)(e)); Montana has no silent default if this is left unstated. In a member-managed LLC, each member has equal management rights and ordinary business matters are decided by a majority of members. In a manager-managed LLC, each manager has equal rights and ordinary matters are decided by the manager or a majority of managers, who are appointed and removed by majority vote of the members.
Members in a member-managed LLC, or managers in a manager-managed LLC, owe a duty of loyalty, a duty of care, and an obligation of good faith and fair dealing. The Operating Agreement may not eliminate the duty of loyalty, though it may identify specific activities that do not violate it. The duty of care may not be unreasonably reduced, and good faith and fair dealing may not be eliminated, though its performance standard may be defined if not manifestly unreasonable.
A member's interest may be issued in exchange for cash, property, promissory notes, services performed, or an agreement to contribute cash, property, or services in the future (Montana Code Annotated Section 35-8-501). The statute does not itself mandate a specific documentation format; the Operating Agreement should record the amount, form, and timing of each member's contribution to avoid later disputes.
Unless otherwise provided in writing in the articles of organization or Operating Agreement, each member is first repaid that member's capital contributions, and any remaining profits, losses, and surplus, as well as any cash or asset distributions, are then shared EQUALLY among members, not in proportion to each member's capital contribution. The Operating Agreement can set a different split.
Section 35-8-403 was repealed in 1999; voting rights are governed today by Section 35-8-307. Unless the Operating Agreement provides otherwise, each member of a member-managed LLC has EQUAL voting rights, not rights proportional to profit interest, and ordinary business matters are decided by a majority of members. A specific list of major matters, including amending the Operating Agreement or Articles, admitting a new member, and dissolving the company, requires the consent of all members.
Section 35-8-704 was repealed in 1999. A member's distributional interest, a form of personal property rather than an ownership stake in LLC property, may be transferred in whole or in part under Section 35-8-703. Under Section 35-8-707, a transferee who is not admitted as a member receives only the economic right to distributions, not management or voting rights, unless the Operating Agreement or the other members provide otherwise.
A member is dissociated from the LLC upon events including express notice of withdrawal, an event the Operating Agreement designates as causing dissociation, transfer of all of the member's distributional interest, or expulsion under the Operating Agreement or by unanimous vote or judicial determination in specified circumstances (Montana Code Annotated Section 35-8-803).
A Montana LLC dissolves and must wind up its affairs upon an event stated in writing in the articles or Operating Agreement, member consent in the percentage the Operating Agreement specifies, an event making the business illegal to continue (subject to a 90-day cure), expiration of a stated term, or judicial dissolution (Montana Code Annotated Section 35-8-901). Members may unanimously waive winding up and continue the business before it is completed.
Unless the Operating Agreement provides otherwise, the LLC must keep at its principal office a current and past list of members and managers, a copy of the articles of organization and amendments, copies of the LLC's tax returns and financial statements for the 3 most recent years, and copies of any written Operating Agreements, as required by Montana Code Annotated Section 35-8-405.
The Company may indemnify and hold harmless a member, agent, or employee from claims arising out of action or inaction taken on the Company's behalf, except where the action or failure to act constitutes willful misconduct or recklessness, and subject to any further standards or restrictions set out in the articles of organization or Operating Agreement (Montana Code Annotated Section 35-8-107(1)(l)).
Unless the articles of organization or Operating Agreement provide otherwise, amending the Operating Agreement is one of a specific list of major matters that requires the consent of all members, not just a majority (Montana Code Annotated Section 35-8-307(3)(a), cross-referencing Section 35-8-109).
Frequently Asked Questions
It's the internal document where a Montana LLC's sole owner sets the rules for running the business and handling profits. Montana doesn't require it to be written, but written form is required to change specific default rules like recordkeeping and distributions, and it's the clearest proof the LLC is a real business, not a personal wallet.
Not by blanket legal requirement. Montana allows an oral or implied operating agreement (Mont. Code Ann. Section 35-8-109). But without a written one, state default rules apply automatically, including an equal per-member split of profits and losses rather than one you choose, and a few specific provisions only take effect if they're in writing.
Montana's default LLC rules fill the gap. Profits, losses, and distributions are split equally among members after capital contributions are repaid, not based on how much each member invested, which matters most once you bring on a second member and haven't defined your own split (Mont. Code Ann. Sections 35-8-503, 35-8-601).
It supports that protection, but doesn't guarantee it alone. Montana law makes a charging order the exclusive remedy a judgment creditor has against your LLC interest (Mont. Code Ann. Section 35-8-705), with no statutory carve-out for single-member LLCs. Keeping LLC and personal finances genuinely separate is still what keeps that protection intact.
Montana has no annual franchise tax. LLCs file an Annual Report with the Secretary of State by April 15 each year, currently fee-waived through 2027 if filed on time, or $35 if filed late. Missing the deadline for too long can lead to administrative dissolution of the LLC.
No. You file Articles of Organization ($35 filing fee) with the Montana Secretary of State to form the LLC, and those articles must state whether the LLC is member-managed or manager-managed. The operating agreement itself is an internal document you keep with your own business records.
Partially, and it doesn't have to be in writing to take effect. The duty of loyalty can't be eliminated, only narrowed within specific limits, and the duty of care can't be unreasonably reduced. The obligation of good faith and fair dealing can't be eliminated, though the agreement may set its performance standard.