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Form an LLC in Montana

How to start an LLC in Montana.

What the state asks for, what it charges, and what to file after you form. Fees checked against official Montana sources in .

Low cost to form, a small annual report, and no general state sales tax.

Montana at a glance

State filing fee
$35
Articles of Organization
Annual Report
$0 by April 15, then $35
Every year
Filed with
Montana Secretary of State, Business Services Division
Operating agreement
Not required

$20. Waived for annual reports filed January 1 to April 15, 2026. These are the state's own fees, separate from ours, and they can change. Confirm with the Montana Secretary of State, Business Services Division before you file.

Forming an LLC in Montana, step by step.

  1. 1

    Choose a name and check it

    Your name needs "LLC" or a similar designator and must be distinguishable from names on record. Search the Montana business database first.

  2. 2

    Appoint a registered agent

    Someone with a street address in Montana who accepts legal papers and official notices for the LLC. You can serve yourself or use a registered agent service.

  3. 3

    File the Articles of Organization

    File with the Montana Secretary of State, Business Services Division. The state fee is $35. The standard online Articles of Organization filing fee is $35.

  4. 4

    Write an operating agreement

    Not required. Either way it sets ownership, money, and decisions in writing. See the operating agreement guide.

  5. 5

    Get an EIN

    The business's federal tax ID, free from the IRS. Our EIN assistance can prepare it.

  6. 6

    Check local taxes and licenses

    Montana has no statewide sales tax, but local licenses and taxes can still apply. See licenses and permits.

  7. 7

    File your Annual Report

    Every year: free if filed January 1 to April 15; final deadline December 1. The fee is $0 by April 15, then $35.

General information, not legal or tax advice. State rules and fees change; this page was last checked in October 2026. YaH Brands is not a law firm or an accounting firm.

Forming in Montana? We prepare and file it, keep track of the follow-ups, and a real person answers when you call.

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Montana LLC questions

  • The state filing fee for the Articles of Organization is $35. The standard online Articles of Organization filing fee is $35. Plan for ongoing costs too, including the Annual Report fee of $0 by April 15, then $35. $20. Waived for annual reports filed January 1 to April 15, 2026.

  • Yes. Montana requires a Annual Report every year. The fee is $0 by April 15, then $35, due free if filed January 1 to April 15; final deadline December 1.

  • Not required. Having one is still a good idea for any LLC, and banks often ask for it.

  • Yes. Every Montana LLC must keep a registered agent with a physical address in the state to accept legal papers and official notices.