Montana Secretary of State provides a business search functionality that enables you to search their database for businesses that have registered in Montana and find out information about it that is publicly available. You can search their database by:
- Business name
- Filing number
- Packages from $0 + State Filling Fees
- Start an LLC, C-Corp, S-Corp or Non-profit
- Available in all 50 states!
- Free compliance reminders
- No hidden cost business formation
- No long-term contracts and subscriptions
Search by business name
Montana Secretary of State offers a basic and advanced search facility for finding businesses. A basic search can be done by searching by the business name and the advanced search is an expanded search where you can add other filters such as starts with, contains or word contains. It also allows you to filter by entity type, entity subtype, state, county, registration date and expiration date to narrow down your results.
The results generated will show a list of businesses that match your criteria and the list includes the company name, filing number, previous name, entity type, status, registration date and agent.
You can view more information about the business by clicking on the form info column highlighted in black. This opens up the business record which includes:
- Business name
- Filing number
- Entity type
- Entity subtype
- Status
- Managed by
- Formed in
- Principal address
- Mailing address
- Registration date
- AR due date
- Registered agent details
- Trademarks
- View annual reports

- Packages from $0 + State Filling Fees
- Start an LLC, C-Corp, S-Corp or Non-profit
- Available in all 50 states!
- Free compliance reminders
- No hidden cost business formation
- No long-term contracts and subscriptions

- 1 Free Year of Registered Agent Service
- Free Domain, Website, Email & Phone
- In business since 1998!
- Business Address & Free Mail Forwarding
- Fast LLC Filing
- Privacy by Default
Search by filing number
If you know the filing number for a business, you can search the Montana business search database by filing number.
As the filing number is unique the results should provide a single response which you can click on the left-hand column to view the full details. The business record includes details such as business status, formed date, addresses, agent details and more as listed above under search by business name.
Contact details
Website: https://biz.sosmt.gov/
Phone: (406) 444-3665
Address: Montana Capitol Building, Rm 260, PO Box 202801, Helena, MT 59620-2801
Email: sosbusiness@mt.gov
How to register a business in Montana?

- Packages from $0 + State Filling Fees
- Start an LLC, C-Corp, S-Corp or Non-profit
- Available in all 50 states!
- Free compliance reminders
- No hidden cost business formation
- No long-term contracts and subscriptions

- 1 Free Year of Registered Agent Service
- Free Domain, Website, Email & Phone
- In business since 1998!
- Business Address & Free Mail Forwarding
- Fast LLC Filing
- Privacy by Default
If you are setting up a business in Montana you may be required to register it with the Secretary of State’s Office. These steps can help you to set up your business:
- Select your business name and see if your name is already in use in Montana by searching the Montana Secretary of State business search.
- Decide which business structure you are going to operate under such as a corporation, limited liability company, limited liability partnership, general partnership or sole proprietorship.
- Create an account on the Montana online filing portal if you don’t have an account.
- Log into the Montana online filing portal and go to the forms section in the menu and select the form that matches your business structure and complete it. A fee applies which is dependent on the business structure but starts at $10 to $70.
How much does a Montana business entity search cost?
There are no charges for conducting a business entity search on the Montana Secretary of State website.
How can I get a business license in Montana?
Montana does not have a statewide business license or a sales tax license but there are local licenses that apply and statewide profession and industry licenses that may be required. Some cities or municipalities may require you to have a business license and you will need to contact them to see what licenses and permits apply to your business. A list of business licenses is available on the Montana Department of Revenue. The cost of these business licenses varies depending on the location and type of license with some licenses starting at $50.