How do I file my Montana LLC annual report and what information is required?

You must file Montana's Annual Report of Limited Liability Company (Form LLC-4) with the Montana Secretary of State by April 15 annually, using their online business services portal at sos.mt.gov. The filing fee is $25. Your report must include your LLC's legal name, Montana Organizational Number, registered agent name and street address (not a P.O. box), principal office address, and the name and mailing address of at least one member or manager. Missing the April 15 deadline results in automatic administrative dissolution—your LLC loses legal status and liability protection until reinstatement is filed with a $50 reinstatement fee. This means you cannot legally conduct business, enter contracts, or maintain corporate protection during dissolution. File immediately through the Secretary of State's online portal to avoid this costly consequence and maintain your LLC's good standing status.

What happens if I miss the April 15th annual report deadline in Montana?

If you miss Montana's April 15th annual report deadline, the Montana Secretary of State will assess a $5 late fee on top of the standard $15 annual report filing fee for a total of $20. You must file Form LLC-4 (Annual Report) through the Montana Secretary of State's Business Services Bureau to cure this violation. Critically, filing late doesn't immediately dissolve your LLC, but continued non-compliance triggers administrative dissolution proceedings. Montana provides written notice at your registered agent address and allows a 60-day cure period before formally dissolving your business. During dissolution, your LLC loses legal standing to conduct business, and creditors may pursue personal liability claims against members. To avoid this cascade of penalties and business interruption, file your annual report immediately if you've missed the deadline. Contact the Montana Secretary of State's office at (406) 444-2034 or visit sos.mt.gov to submit your delinquent Form LLC-4 today.

Do I need to maintain a registered agent for my Montana LLC, and can I serve as my own?

Yes, Montana law requires every LLC to maintain a registered agent with a physical Montana address for receiving legal documents and official state correspondence. You can serve as your own registered agent if you maintain a Montana office or residence where you're available during business hours to accept service of process. Alternatively, you can hire a professional registered agent service, which typically costs $100–$300 annually through providers like LegalZoom or local Montana firms. The registered agent's name and address must be listed on your Articles of Organization filed with the Montana Secretary of State and updated annually on your LLC's biennial report due by April 15th. This requirement has significant practical implications: failing to maintain a registered agent can result in administrative dissolution of your LLC by the Montana Department of State. If you choose self-representation, ensure someone is reliably present at your listed address; missing service of legal documents can lead to default judgments against your business. Contact the Montana Secretary of State's Business Services Bureau at (406) 444-2034 to verify your current registered agent information and confirm compliance before your next filing deadline.

Are there any ongoing compliance requirements beyond the annual report for Montana LLCs?

Yes, Montana LLCs have minimal but essential ongoing compliance requirements beyond the annual report. Your annual report, filed with the Montana Secretary of State by April 15th using Form LLC-4, costs $25. Beyond this, you must maintain detailed business records, including meeting minutes and financial documentation, as Montana's Secretary of State may request them during compliance audits. Your registered agent information must remain current—notify the Secretary of State immediately if your agent changes using Form LLC-3. Montana imposes no franchise tax or publication requirements, unlike many states, significantly reducing your compliance burden. However, you must comply with industry-specific licenses; for example, real estate LLCs need broker licenses from the Montana Department of Labor & Industry, while professional service LLCs may require additional credentials. Failure to maintain accurate records or update agent information could jeopardize your liability protection. Your next step: review your registered agent details now and create a compliance calendar marking the April 15th filing deadline to prevent accidental administrative dissolution.

Compliance · MT

Montana LLC Annual Compliance Requirements (2026)

Everything your Montana LLC must do to stay in good standing — annual report deadlines, registered agent rules, and state-specific obligations.

First-Year Total$50

Annual Ongoing$15/yr

vs National Avg- $172.7

By Edmond Hui · Last updated: June 17, 2026

Montana offers one of the most business-friendly LLC compliance environments in the United States, with the nation's lowest filing fee of just $35 and exceptionally streamlined ongoing requirements. Your Montana LLC's annual report is due each year by April 15th with a modest $15 fee, making your total first-year costs only $50 - a remarkable $173 below the national average. This cost advantage reflects Montana's commitment to fostering entrepreneurship, particularly in emerging sectors like remote-first technology, precision agriculture, and outdoor adventure tech that are driving economic growth in hub cities like Bozeman and Missoula.

What sets Montana apart is its straightforward approach to LLC administration without burdensome publication requirements or franchise taxes that plague other states. The state's business climate is particularly attractive for entrepreneurs looking to serve Montana's expansive 60-million-acre ranching and wheat farming industry with innovative IoT sensors, drone mapping, and precision agriculture solutions. With minimal compliance overhead and strategic positioning in growing tech sectors, Montana LLCs can focus resources on business development rather than regulatory burden, making it an ideal choice for both local entrepreneurs and remote-first companies seeking a business-friendly base of operations.

Annual Report Requirements

Due: April 15

Fee: $15

Frequency: annual

How: Online or mail

Full Montana Annual Report Guide →

Registered Agent Requirements

Everything you need to know about choosing and maintaining a registered agent for your Montana LLC in 2026

Montana Registered Agent Requirements →

Late Filing Penalties

Penalty: $5 late fee plus potential administrative dissolution

Montana Late Fee Guide →

Montana-Specific Compliance Considerations

No Publication Requirement

Unlike states such as New York or Arizona, Montana does not require LLCs to publish formation notices in newspapers. This eliminates both the hassle and additional costs that can range from hundreds to thousands of dollars in other jurisdictions.

Simple Annual Report Process

Montana's annual report requires only basic information updates and can be filed online through the Secretary of State website. The process typically takes just minutes to complete, with no complex financial disclosures or additional documentation required.

Minimal Late Filing Penalties

Montana imposes only a $5 late fee for annual reports filed after the April 15th deadline, one of the lowest penalty structures in the nation. While administrative dissolution is possible for continued non-compliance, the state provides ample opportunity to cure defaults before taking such action.

No Franchise Tax or Publication Fees

Montana LLCs are not subject to franchise taxes based on income or net worth, unlike many other states. This absence of ongoing tax obligations beyond standard income taxes makes Montana particularly attractive for businesses with significant revenue or asset values.

Frequently Asked Questions

Edmond Hui · Founder, MyStateLLC

Edmond Hui is a software engineer and serial entrepreneur based in New York who has founded multiple online businesses across e-commerce, media, and information publishing. Before transitioning into tech, he spent years as a commercial real estate professional closing deals totaling over 100,000 square feet, giving him firsthand experience with business formation and entity structuring. He built MyStateLLC to provide the free, state-specific LLC guidance he wished existed when forming his own companies.