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To register a Montana LLC, you'll need to appoint a registered agent with a registered office in Montana, file the Articles of Organization with the Montana Secretary of State's Business Services portal, and pay the $35 filing fee. You'll also need to file an Annual Report by December 1 each year; it's free through April 15 and costs $35 after that.
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The filing path
Use the Montana LLC Launchpad to check your proposed name, review the state's registered agent rules, and get a formation plan matched to your priorities before you begin Step 1.
The first step is picking a business name for your Montana LLC
Before you get started, you will need to pick a suitable name for your Montana LLC.
This will need to comply with all Montana naming requirements, be available, and (ideally) have a matching domain that you’ll use for your website.
1. Montana LLC Naming Guidelines
For a full list of naming guidelines in Montana, see Section 35-8-103 of the Montana Limited Liability Company Act.
2. Montana Name Availability Search
To check whether your desired name has already been taken by another business entity in Montana, you can perform a name search on the Montana Secretary of State website.
If you’re not going to start your LLC right away, it might be a good idea to consider reserving your name for up to 120 days ($10 processing fee).
For more information, you can have a look at our Montana LLC Name Search guide.
3. Finding the Right Domain
You should check online to see if your business name is available as a web domain. Even if you don’t plan to make a business website right away, this is an extremely important step as it will prevent others from acquiring it, potentially saving you both time and money in the long term.
Once you have verified your name is available, you may now select a professional service to complete the LLC formation process for you.=
LLC is short for Limited Liability Company. It is a simple business structure that offers more flexibility than a traditional corporation still providing legal protection for your personal assets. For more information, read our What is an LLC guide.
Watch our video: What is an LLC?
You must follow the Montana LLC naming guidelines when choosing a name for your LLC:
If you are having trouble coming up with a name for your LLC use our LLC Name Generator. That will not only find a unique name for your business but an available URL to match.
Most LLCs do not need a DBA or assumed business name (ABN). The name of the LLC can serve as your company’s brand name and you can accept checks and other payments under that name as well. However, you may wish to register a DBA if you would like to conduct business under another name.
To learn more about DBAs in your state, read our How to File a DBA guide.
A professional limited liability company (PLLC) is a type of LLC available to business owners in Montana. At least one member of a PLLC must be an individual who is approved by the state to perform professional services such as law or medicine.
After you find the right name for your LLC, you will need to assign a Montana registered agent. This is a necessary step in your Articles of Organization, which is the document used to file and register your LLC with the Secretary of State.
What is a registered agent?
A registered agent is an individual or business entity responsible for receiving important legal documents on behalf of your business. You can think of your registered agent as your business’s primary point of contact with the state.
Who can be a registered agent?
A registered agent must be a resident of Montana or a corporation authorized to transact business in the state. You can choose to elect an individual within the company (e.g., yourself, etc.), use an attorney (not recommended due to the high cost), or go with a registered agent service.
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Form an LLC with Northwest Registered Agent to get one year of registered agent services free of charge.
Yes. You can choose to act as your own registered agent, appoint a member of your LLC, work with a business attorney, or hire a professional registered agent service (recommended).
Read more about being your own registered agent.
Using a professional registered agent service is an affordable way to manage government filings for your LLC. For most businesses, the advantages of using a professional service significantly outweigh the annual costs.
For more information, read our article on Montana registered agents.
To register your Montana LLC, you will need to file the Articles of Organization with the Secretary of State. You can do this online.
Before filing, make sure you have completed your Montana Articles of Organization correctly. You will need to have the following information on hand to get started:
File Online With the Montana Secretary of State
File OnlineFee: $35, payable to the Secretary of State (Nonrefundable)
Instructions: Select “Articles of Organization for Domestic Limited Liability Company,” log in or create an ePass account, and fill out the required fields.
For help with completing the form, visit our Montana Articles of Organization guide.
Note: If you’re expanding your existing business to the state of Montana, you’ll need to register as a foreign limited liability company (LLC).
According to the Montana Secretary of State, the processing time for your Articles of Organization is generally between three and five business days.
Keep in mind that this can be longer during busy periods.
An LLC is referred to as a “domestic LLC” when it conducts business in the state where it was formed. A foreign LLC must be formed when an existing LLC wishes to expand its business to another state.
Read our What Is a Foreign LLC article to learn more.
The minimum cost to start a Montana LLC is $35, which is the processing fee for filing the Articles of Organization.
Having said that, the total cost could be higher depending on whether you choose to file independently, through a registered agent service, or by hiring a business attorney.
To learn more, read our guide on the cost to form a Montana LLC.
An operating agreement is not required in Montana, but it’s a good practice to have one.
What is an operating agreement? An operating agreement is a legal document outlining the ownership and operating procedures of an LLC.
Why are operating agreements important? A comprehensive operating agreement ensures that all LLC owners are on the same page and reduces the risk of future conflict.
You can use the free tool in our Business Center to create a custom operating agreement in minutes — or download our free templates:
No. The operating agreement is an internal document that you should keep on file for future reference. However, many other states do legally require LLCs to have an operating agreement in place.
You can get an Employer Identification Number (EIN) from the IRS for free. It is used to identify a business entity and keep track of a business’s tax reporting. It is essentially a Social Security number (SSN) for the company.
Why do I need an EIN? An EIN is required for the following:
Where do I get an EIN? An EIN is obtained from the IRS (free of charge) by the business owner after forming the company. This can be done online or by mail.
FOR INTERNATIONAL APPLICANTS: You do not need an SSN to get an EIN. Learn more here.
Option 1: Request an EIN from the IRS
– OR –
Option 2: Apply for an EIN by Mail or Fax
Mail to:
Internal Revenue Service
Attn: EIN Operation
Cincinnati, OH 45999
Fax: (855) 641-6935
Fee: Free
An SSN is not required to get an EIN. You can simply fill out IRS Form SS-4 and leave section 7b blank. Then call the IRS at (267) 941-1099 to complete your application. Learn more here about applying as an international applicant.
All LLCs with employees, or any LLC with more than one member, must have an EIN. This is required by the IRS.
Learn why we recommend always getting an EIN and how to get one for free in our Do I Need an EIN for an LLC guide.
When you get an EIN, you will be informed of the different tax classification options that are available. Most LLCs elect the default tax status.
However, some LLCs can reduce their federal tax obligation by choosing the S corporation (S corp) status. To learn more, read our LLC vs. S Corp guide.
| Service | Total Cost* | Filing | Registered Agent | EIN | Operating Agreement |
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For a comprehensive comparison, read our Best LLC Service guide. We reviewed and ranked the top LLC formation services to help you determine the best fit for your new business.
After you’ve formed your LLC, you’ll need to complete several key steps in order to:
Getting a dedicated business bank account is an essential part of operating legitimately as it keeps your personal and business assets separate, and therefore helps shield your personal limited liability.
Skipping this step can often lead to:
Recommended: Have a look at our Best Business Bank Accounts for LLCs in 2026 review.
You can also choose to acquire a corporate credit card if you’re interested in building your credit and potentially raising capital down the line.
Montana does not require LLCs to hold a “general” business license in order to operate.
Even so, you should know that business licensing is regulated at a local, state, and federal level, so your licensing needs will ultimately depend on your exact location and industry:
A few questions to ask yourself when deciding whether you need a license include:
For more information, you can have a look at our Montana Business License guide.
If you’d rather have a service handle this step for you, we recommend checking out LegalZoom’s Business License service.
Montana LLCs are not all taxed in the same way; this is because LLCs are taxed as pass-through entities by default, meaning that they are largely taxed similarly to sole proprietors — the business gets paid, the profits pass to you as the owner, and you get taxed. There is no “corporate” tax involved.
This means that:
You’ll need to submit personal income tax returns using either Form 1040 (for single member LLCs) or Form 1065 (for multi-member LLCs). If you have employees, you will also be subject to federal income tax withholding.
Your LLC may have to pay additional taxes — such as lodging, transportation, or other industry-specific taxes. At the same time, Montana imposes a state income tax, which ranges from 1% to 6.75%, depending on your total taxable income. If you have employees, you’ll likely be subject to state income tax withholding.
Your LLC may be required to pay property and even sales and use taxes on a county level. This is because, while Montana has no statewide sales tax, some municipalities do levy local option taxes to generate revenue.
For more information on the Montana-specific LLC tax obligations that may apply to you, we recommend having a look at our in-depth Montana LLC Taxes guide. Alternatively, you can schedule a free online consultation with 1-800 accountant for all your tax-related questions.
Even though an LLC offers limited liability, you’ll still likely need to purchase some form of business insurance to protect your LLC’s assets.
This is because an LLC’s default limited liability protects your personal assets, not the business’s. Some of the most common types of business insurance include:
What This Means:
Without insurance: If a customer sues your bakery business for $55,000 after claiming food poisoning, they could take your commercial oven, refrigeration equipment, and empty your business checking account ($39,000 total), but your personal vehicle and savings account would still be protected.
With insurance: Your business liability policy could cover the $35,000 claim, meaning that both your personal and business assets would remain untouched.
Want to learn exactly what coverage your Montana business may need? Read our full Montana Business Insurance guide — and get a free quote from Ergo Next Insurance to compare affordable, tailored coverage options.
Improperly signing a document as yourself and not as a representative of the business can leave you open to personal liability.
When signing legal documents on behalf of your company, you we recommend following this formula to avoid any problems:
In order to ensure that your Montana LLC maintains its good standing with the state, you’ll be required to file an Annual Report by April 15 of each year.
This is meant to ensure that the state’s records of your business are up to date, and will require you to provide details such as your registered agent information and principal business address.
You’ll need to file online through the Montana Secretary of State’s portal. There’s no filing fee if you submit the report on time; if you miss the April 15 deadline, a $35 late fee will apply.
Note: If your LLC doesn’t file its Annual Report by the extended deadline, the state may administratively dissolve your business any time after December 1 of that same calendar year.
To stay on top of this deadline and other important compliance tasks, we recommend hiring a professional registered agent service — they can help ensure you never miss a filing.
Check out our business center for regular updates, vetted reviews, free downloadables, and video guides that aim to help you start and grow your business.
Have a look at Montana’s local business resources:
More on Montana LLCs: