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How to Start an LLC in Montana: Fees, Filings and Annual Requirements

Forming an LLC in Montana: the state filing fee, how to file, name rules, registered agent, annual report, state taxes, DBA and sales tax permit — from the official state sources.

Quick answers for Montana

Annual report
Domestic LLCs and foreign LLCs authorized to do business in Montana must file an annual report with the Secretary of State. MCA 35-8-208, 35-8-209
How to file
A Montana LLC is formed by filing Articles of Organization with the Secretary of State. The articles must state the LLC's name, whether it is a term company (and the term), the mailing address of its principal office, its registered agent information, whether it is managed by managers or… MCA 35-8-202

Last verified: 2026-10-27

Forming the LLC

How to fileA Montana LLC is formed by filing Articles of Organization with the Secretary of State. The articles must state the LLC's name, whether it is a term company (and the term), the mailing address of its principal office, its registered agent information, whether it is managed by managers or by members (with the names and business mailing addresses of the initial managers or members), whether any members are liable for the company's debts, and, if applicable, professional LLC and series information.
Montana law says the Secretary of State sets these filing fees by administrative rule (MCA 35-8-211, 35-7-103, 30-13-217).
Source: MCA 35-8-202
Name rules and reservationThe name must contain "limited liability company" or "limited company" or the abbreviation "l.l.c.," "l.c.," "llc" or "lc" ("limited" may be abbreviated "ltd." and "company" "co."). It may not contain business name identifiers or other language implying it is a business other than an LLC, and it must be distinguishable on the Secretary of State's records from other registered or reserved entity names, assumed business names, trademarks and service marks. A name may be reserved by filing an application with the Secretary of State; an available name is reserved for a nonrenewable period of 120 days, and the reservation may be transferred without extending the term.
Montana law says the Secretary of State sets these filing fees by administrative rule (MCA 35-8-211, 35-7-103, 30-13-217).
Registered agentThe Articles of Organization must include registered agent information: the name of the LLC's commercial registered agent or, if it has none, the name and address of its noncommercial registered agent. Naming an agent is an affirmation that the agent has consented to serve. An LLC changes its registered agent information by filing a statement of change with the Secretary of State; members or managers need not approve that filing. The Secretary of State may administratively dissolve an LLC that fails for 60 days to appoint and maintain a registered agent in Montana.
Montana law says the Secretary of State sets these filing fees by administrative rule (MCA 35-8-211, 35-7-103, 30-13-217).
Operating agreementMontana law says the members of an LLC may enter into an operating agreement, which need not be in writing, to regulate the company's affairs and govern relations among the members, managers and company; where the agreement is silent, the LLC statute governs. A written agreement is needed only to vary certain statutory rules on recordkeeping, distributions, and admission of members. The statute lists provisions the operating agreement may not change.
The statute section read does not say whether the operating agreement is filed with the state.
Source: MCA 35-8-109

Keeping the LLC in good standing

Annual reportDomestic LLCs and foreign LLCs authorized to do business in Montana must file an annual report with the Secretary of State. The first report is due between January 1 and April 15 of the year after the LLC is organized (or authorized), and later reports are due between January 1 and April 15 each year. The Secretary of State may administratively dissolve a domestic LLC that fails for 140 days to file its annual report within the time required by law.
Montana law says the Secretary of State sets these filing fees by administrative rule (MCA 35-8-211, 35-7-103, 30-13-217).
Sales tax permitThe Montana Department of Revenue states that Montana does not have a general-use sales tax and does not have a sales tax exemption certificate. A Montana business buying goods for resale from an out-of-state vendor may give the vendor a Montana Business Registry Resale Certificate, which the vendor may accept in place of a resale certificate.
DBA / assumed nameA person transacting business in Montana under an assumed business name must register the name with the Secretary of State on the Secretary of State's form, giving the applicant's name and mailing address, the full assumed business name, and a description of the business. Registration lasts 5 years and may be renewed for another 5-year term; the Secretary of State cancels the registration if no renewal is filed within the 90 days before expiration. A person doing business without an effective assumed business name certificate may not bring a lawsuit in Montana courts under that name.
Montana law says the Secretary of State sets these filing fees by administrative rule (MCA 35-8-211, 35-7-103, 30-13-217).

Out-of-state LLCs and closing

Registering an out-of-state LLCA foreign LLC may not transact business in Montana until it obtains a certificate of authority from the Secretary of State. It applies by delivering an application stating its name (or an available alternate name), home jurisdiction, date of organization and duration, principal office address, registered agent information, managers' names and addresses (if different from members), and a statement that it exists and has complied with its home jurisdiction's organizational laws. The statute lists activities, such as maintaining bank accounts or holding member meetings, that do not count as transacting business.
Montana law says the Secretary of State sets these filing fees by administrative rule (MCA 35-8-211, 35-7-103, 30-13-217).
Closing an LLCAfter dissolution and winding up, a Montana LLC may terminate its existence by filing Articles of Termination with the Secretary of State, stating its name, the reason for filing, the effective date (if not on filing), its agent for service of process after termination, the persons authorized to wind up its business, the date of dissolution, and that its business has been wound up. Its existence ends when the articles are filed or on a later stated effective date.
Montana law says the Secretary of State sets these filing fees by administrative rule (MCA 35-8-211, 35-7-103, 30-13-217).
Source: MCA 35-8-906

Where to get help in Montana

Starting an LLC & Small Business FAQ

How do you form an LLC in Montana?
A Montana LLC is formed by filing Articles of Organization with the Secretary of State. The articles must state the LLC's name, whether it is a term company (and the term), the mailing address of its principal office, its registered agent information, whether it is managed by managers or by members (with the names and business mailing addresses of the initial managers or members), whether any members are liable for the company's debts, and, if applicable, professional LLC and series information.
What are the LLC name requirements in Montana?
The name must contain "limited liability company" or "limited company" or the abbreviation "l.l.c.," "l.c.," "llc" or "lc" ("limited" may be abbreviated "ltd." and "company" "co."). It may not contain business name identifiers or other language implying it is a business other than an LLC, and it must be distinguishable on the Secretary of State's records from other registered or reserved entity names, assumed business names, trademarks and service marks. A name may be reserved by filing an application with the Secretary of State; an available name is reserved for a nonrenewable period of 120 days, and the reservation may be transferred without extending the term.
Do you need a registered agent for an LLC in Montana?
The Articles of Organization must include registered agent information: the name of the LLC's commercial registered agent or, if it has none, the name and address of its noncommercial registered agent. Naming an agent is an affirmation that the agent has consented to serve. An LLC changes its registered agent information by filing a statement of change with the Secretary of State; members or managers need not approve that filing. The Secretary of State may administratively dissolve an LLC that fails for 60 days to appoint and maintain a registered agent in Montana.
Does an LLC have to file an annual report in Montana?
Domestic LLCs and foreign LLCs authorized to do business in Montana must file an annual report with the Secretary of State. The first report is due between January 1 and April 15 of the year after the LLC is organized (or authorized), and later reports are due between January 1 and April 15 each year. The Secretary of State may administratively dissolve a domestic LLC that fails for 140 days to file its annual report within the time required by law.
Is an operating agreement required in Montana?
Montana law says the members of an LLC may enter into an operating agreement, which need not be in writing, to regulate the company's affairs and govern relations among the members, managers and company; where the agreement is silent, the LLC statute governs. A written agreement is needed only to vary certain statutory rules on recordkeeping, distributions, and admission of members. The statute lists provisions the operating agreement may not change.
How do you register a DBA in Montana?
A person transacting business in Montana under an assumed business name must register the name with the Secretary of State on the Secretary of State's form, giving the applicant's name and mailing address, the full assumed business name, and a description of the business. Registration lasts 5 years and may be renewed for another 5-year term; the Secretary of State cancels the registration if no renewal is filed within the 90 days before expiration. A person doing business without an effective assumed business name certificate may not bring a lawsuit in Montana courts under that name.
How do you get a sales tax permit in Montana?
The Montana Department of Revenue states that Montana does not have a general-use sales tax and does not have a sales tax exemption certificate. A Montana business buying goods for resale from an out-of-state vendor may give the vendor a Montana Business Registry Resale Certificate, which the vendor may accept in place of a resale certificate.
How do you register a foreign LLC in Montana?
A foreign LLC may not transact business in Montana until it obtains a certificate of authority from the Secretary of State. It applies by delivering an application stating its name (or an available alternate name), home jurisdiction, date of organization and duration, principal office address, registered agent information, managers' names and addresses (if different from members), and a statement that it exists and has complied with its home jurisdiction's organizational laws. The statute lists activities, such as maintaining bank accounts or holding member meetings, that do not count as transacting business.
How do you dissolve an LLC in Montana?
After dissolution and winding up, a Montana LLC may terminate its existence by filing Articles of Termination with the Secretary of State, stating its name, the reason for filing, the effective date (if not on filing), its agent for service of process after termination, the persons authorized to wind up its business, the date of dissolution, and that its business has been wound up. Its existence ends when the articles are filed or on a later stated effective date.

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General legal information, not legal advice. Laws change and local rules can differ; check the linked official source or talk to a lawyer about your situation.