Montana Certificate of Formation (2026)
In Montana, you form an LLC by filing Articles of Organization - the state's formation document, which some states call a "certificate of formation" - online with the Secretary of State for a $35 fee. The filing names the LLC and its registered agent, and Montana's annual report costs $20 by April 15.
Quick Answer
- Document
- Articles of Organization (Montana's formation document)
- Agency
- Montana Secretary of State
- Fee
- $35 (online filing)
- Filing method
- Online through the SoS ePass portal
- Registered agent
- Required - Montana address
- Annual report
- $20, due April 15
What the Montana Articles of Organization Is
The Articles of Organization is the legal document that creates a limited liability company in Montana. Montana's formation document for an LLC is titled Articles of Organization; the term "Certificate of Formation" is what some other states call the same filing. You file it with the Montana Secretary of State, and the state's acceptance of the filing is the moment your LLC legally comes into existence under the Montana Limited Liability Company Act. Before that filing, the business has no separate legal identity or liability shield.
Think of it as the LLC's birth certificate: it is short, but it is the foundational public record of the company. It is different from an operating agreement, which is the internal contract among members and is not filed with the state. This guide explains what the Montana document must contain, what it costs, and how to file it. For terms, see the glossary.
What the Montana Articles of Organization Must Contain
Montana law specifies the minimum contents. The document generally must state the LLC's name (including a required designator such as "LLC" or "Limited Liability Company"), the name and address of its registered agent and registered office, the principal office address, and whether the LLC is member-managed or manager-managed.
It also names the organizer who signs and submits the filing, and may state a specific effective date and the LLC's duration if not perpetual. The name must be distinguishable from existing entities - run a Montana business entity search first. Some states ask for the business purpose, though a general-purpose clause is usually enough. Getting these details right the first time avoids rejection and re-filing.
Filing Fee and Methods in Montana
The state filing fee for the Articles of Organization is $35, paid to the Montana Secretary of State. Montana requires LLC formations to be filed online through the Secretary of State's business portal. Online filing is the fastest route and is typically processed within a few business days; mailed filings take longer.
You pay the fee when you submit the document. Optional extras - expedited processing, certified copies, or a name reservation before you file - carry separate fees on the Montana Secretary of State schedule. Compare the total cost of formation, ongoing reports, and registered agent service on our Montana LLC cost page. The EIN you get afterward from the IRS is always free.
The Registered Agent Requirement
Every Montana LLC must name a registered agent on the Articles of Organization and maintain one continuously afterward. The agent must have a physical street address in Montana - the registered office - and agree to receive service of process, tax notices, and official state mail for the company.
The agent can be an individual Montana resident, a manager or member, or a commercial registered agent service. You may serve as your own agent if you meet the address and availability requirements, but many owners use a service for privacy and reliability. If the agent or office changes after formation, you file the state's change-of-agent form. Our national registered agent overview explains the role in depth.
After You File: Next Steps
Once the Montana Secretary of State accepts your Articles of Organization, complete the setup that makes the LLC operational. First, adopt an operating agreement - even a single-member LLC benefits from one, and it governs ownership, voting, and profit distribution even though Montana does not file it. Next, obtain a federal EIN from the IRS, which is free and needed to open a bank account and hire.
Then register for Montana taxes and any licenses your activity requires, and open a dedicated business bank account to preserve your liability shield. Understand your ongoing obligations, discussed next, so the LLC stays in good standing. Review federal tax choices, including a possible S-corp election, on our business tax pages.
Keeping the Montana LLC in Good Standing
Forming the LLC is the start of an ongoing relationship with the state. Montana LLCs must file an annual report with the Secretary of State by April 15 each year, with a $20 fee. You must also keep your registered agent current and file your federal and Montana tax returns. Falling behind on the report or agent is the most common cause of losing good standing and can lead to administrative dissolution.
If the LLC's information changes - a new address, member, or manager - update the record with the Montana Secretary of State through an amendment. When you eventually wind down the business, file the proper termination documents rather than abandoning the entity; see our how to dissolve an LLC in Montana guide for the closing steps and final tax returns.
Montana Articles of Organization Summary
The table summarizes the key facts for filing the Articles of Organization in Montana. Confirm current amounts on the Montana Secretary of State fee schedule before filing.
| Item | Detail |
|---|---|
| Document name | Articles of Organization (LLC) |
| Filing agency | Montana Secretary of State |
| Filing fee (2026) | $35 |
| Registered agent | Required - physical Montana address |
| Federal EIN | $0 (free from the IRS) |
File through the Montana Secretary of State, then get an EIN, adopt an operating agreement, and meet Montana's ongoing report requirements to stay in good standing.
Verify Current Details and Avoid Common Pitfalls in Montana
State fees, tax rates, forms, and deadlines change from year to year, so before you file or pay anything, confirm the current figures directly on the official Montana agency websites cited below. The amounts on this page are effective for 2026 and are set by the government, not by any filing service. Public records and most state forms are free or low-cost, and a federal EIN is always free from the IRS - be cautious of third-party websites that charge inflated fees to file routine state paperwork or to obtain a number the government issues at no cost. Reading the primary source yourself is the surest way to avoid outdated or misleading second-hand information, which is exactly why every figure here links to a Montana agency, statute, or the IRS.
A second common pitfall is blurring the line between you and your business. If you operate through an LLC or corporation, the liability protection depends on treating the entity as genuinely separate: keep a dedicated business bank account, sign contracts in the company name, keep clean records, and adopt an operating agreement even if Montana does not require you to file one. Commingling personal and business money is the fastest way to weaken the shield if the company is ever sued. Owners should also plan for taxes early - set aside money for income and self-employment tax, and review whether an S-corp election fits once profits grow. See our business tax overview for how the pieces connect.
Finally, do not confuse a state business registration with trademark ownership. Clearing a name in the Montana business entity search means no other registered entity has that exact name - it does not grant nationwide rights or clear a federal trademark, so search the USPTO database before you invest in branding. Likewise, if you use a name different from your legal entity name, file a Montana DBA. When your business changes or winds down, follow the proper Montana dissolution steps rather than simply abandoning the entity, which leaves fees and filings running. For definitions of the terms used throughout this guide, see the glossary, and use the related Montana guides below to complete each step in the right order.
Frequently Asked Questions
How much does it cost to file the Montana Articles of Organization?
The state filing fee is $35, paid to the Montana Secretary of State. Optional expedited processing, certified copies, or a name reservation cost extra. A federal EIN from the IRS is free.
What is the Articles of Organization in Montana?
It is the document that legally creates an LLC in Montana. You file it with the Montana Secretary of State, and the state's acceptance forms the company under the Montana Limited Liability Company Act.
Where do I file the Montana Articles of Organization?
You file it with the Montana Secretary of State. Montana requires LLC formations to be filed online through the Secretary of State's business portal. Online filing is fastest, but mail is also accepted.
Does the Articles of Organization include an operating agreement?
No. The formation document is a public filing that creates the LLC. The operating agreement is a separate internal contract among members that the state does not file, though it is strongly recommended.
What must the Montana Articles of Organization include?
It generally must state the LLC name with a designator, the registered agent and office, the principal office, the management structure (member- or manager-managed), and the organizer who signs the filing.
Related
- Mississippi Articles of Organization (sibling)
- South Dakota Articles of Organization (sibling)
- How to form an LLC (cluster hub)
- How to form an LLC in Montana
- How to get an EIN
- Registered agent requirements
- Business tax overview
- S-corp vs LLC
- How to dissolve an LLC
More Montana business guides
Business License In Dissolve An Llc In Annual Report Articles Of Organization Business Entity Search Certificate Of Formation Dba Filing Llc Tax Filing Operating Agreement Registered Agent
Sources
- Montana Secretary of State - Business services.
- Montana Secretary of State - Business forms (Articles of Organization).
- Montana Secretary of State - Online business filing portal.
- Montana Department of Revenue - Taxes.
- Montana Department of Revenue - Business and licensing.
- Montana Legislature - Montana Code Title 35, Chapter 8 (LLC Act).
- IRS - Limited Liability Company (LLC) - federal classification.
- IRS - Get an Employer Identification Number (free EIN).
- IRS - Single Member Limited Liability Companies.
- IRS - About Form SS-4, Application for Employer Identification Number.
- Cornell LII - Limited liability company (LLC).
- Cornell LII - 26 U.S. Code Sec. 7701 - Definitions (entity classification).
- U.S. Small Business Administration - Apply for licenses and permits.
- USA.gov - Business permits and licenses.
- Justia - Montana Code - limited liability companies.
LegalGlass provides general information for educational purposes and is not a law firm or a substitute for advice from a licensed attorney or tax professional. Laws, fees, and thresholds change; verify current requirements with the Montana Secretary of State before acting.