Montana LLC Name Search

Check if your business name is available in Montana before you file, then see Montana's LLC naming rules, fees and filing requirements

Montana
Filing Fee
$35
Articles of Organization
Annual Report
No fee
Due between January 1 and April 15 each year, starting the year after you form the LLC
Name Reservation
$10
Holds a name for 120 days

How Much Does an LLC Cost in Montana?

Filing your Articles of Organization in Montana costs $35. There’s no fee for the annual report, which is due between January 1 and April 15 each year, starting the year after you form the LLC.

  • Articles of Organization

    When you file to form the LLC. Source →

    $35

  • Annual Report

    Due between January 1 and April 15 each year, starting the year after you form the LLC. Montana waives the $35 fee for reports filed by April 15. The state renews this waiver each year, so it could end. Source →

    No fee

  • Name reservationOptional

    Holds a name for 120 days. Source →

    $10

  • Assumed business nameOptional

    Only if you do business under a name other than the LLC’s legal name. Source →

    $20

Checked against official Montana sources on October 23, 2026. Fees change, so confirm with the state before you file.

LLC Requirements in Montana

Formation Requirements

Basic Requirements

  • Operating Agreement (recommended)
  • Federal Tax ID (EIN)
  • Business Licenses (if applicable)

Registered Agent

Montana requires all LLCs to maintain a registered agent in the state.

Faster Processing

24-hour processing costs $20, and 1-hour processing costs $100.

Source →

Contact the Montana Business Filing Office

Search LLC Name isn’t a government website. For an official answer about a name or a filing, contact the state office directly.

Contact Details

Fax

406-444-3976

Address Information

Mailing Address

P.O. Box 202801, Helena, MT 59620-2801

Physical Address

State Capitol, Room 260, 1301 6th Avenue, Helena, MT 59620

Official Montana Resources

Montana LLC Name Search FAQ

Enter the name in the search at the top of this page to open Montana’s official business entity search. Search close variations too: Montana law requires a new LLC name to be distinguishable on the records of the Secretary of State (MCA 35-8-103). A clear search is a good sign, but the state makes the final call when it reviews your filing.

It must include “Limited Liability Company” or an abbreviation such as “LLC” or “L.L.C.”. Montana law requires a new LLC name to be distinguishable on the records of the Secretary of State (MCA 35-8-103). Words like Bank, Insurance or Trust usually need approval from another agency.

A Montana name reservation costs $10 and holds the name for 120 days. It can’t be renewed.

Filing your Articles of Organization in Montana costs $35. There’s no fee for the annual report, which is due between January 1 and April 15 each year, starting the year after you form the LLC.

Yes, Montana requires every LLC to keep a registered agent in the state who can receive legal documents for the business.

Montana requires an annual report (no fee), due between January 1 and April 15 each year, starting the year after you form the LLC. You also need to keep a registered agent in the state.

Register an assumed business name with the Secretary of State for $20. It’s required if you do business under another name, and it lasts five years.

LLC Name Search in Other States