Montana Secretary of State, Business Services Division

Montana business entity search

Office facts, status meanings and filing rules for Montana. The steps below show how to search Montana's official registry.

Federal filings only here. Montana registry records are on the official site.

Montana registry at a glance

Registry agency: Montana Secretary of State, Business Services Division
Office: Secretary of State Christi Jacobsen, since 2021; Source: sosmt.gov · checked 2026-10-06
Phone: (406) 444-3665; Source: sosmt.gov · checked 2026-10-06
Address: 1301 6th Avenue, Helena, MT 59620; Source: sosmt.gov · checked 2026-10-06
Mailing address: P.O. Box 202801, Helena, MT 59620-2801; Source: sosmt.gov · checked 2026-10-06
Hours: Monday to Friday, 8 a.m. to 5 p.m. Mountain; Source: biz.sosmt.gov · checked 2026-10-06
Official search: Montana Business Services, Business Search →; Source: sosmt.gov · checked 2026-10-06

The Montana Business Services, Business Search searches by business name and business principal (individual or organization).

Open Business Search on Montana Business Services; an automatic security check may run for a few seconds first.Source: sosmt.gov · checked 2026-10-06
Type the business name, or search by an individual or organization listed as a principal.Source: sosmt.gov · checked 2026-10-06
Select the business name in the results to open its record.Source: sosmt.gov · checked 2026-10-06
Read the record for status, registered agent and filing history.Source: sosmt.gov · checked 2026-10-06
Use the Filing Actions button on the record to file an annual report or other form.Source: sosmt.gov · checked 2026-10-06

Source: sosmt.gov · checked 2026-10-06

Asking for the wrong number is a common reason a search comes back empty.

Federal EIN: Internal Revenue Service; Identifies the business for federal tax. It is the same number in every state.; Source: irs.gov
Registry number: Montana Secretary of State, Business Services Division; Identifies the entity's record in the Montana registry.
State tax account number: The state's tax agency; Issued separately for state taxes. It is not the EIN and not the registry number.

LLC formation: $35 (Articles of Organization), plus $50 for each series member named in a series LLC; Source: sosmt.gov · checked 2026-10-06
Corporation formation: $35 (Articles of Incorporation, profit corporation); Source: sosmt.gov · checked 2026-10-06
Annual filing: Annual Report; Source: sosmt.gov · checked 2026-10-06
Annual fee, LLC: Fee waived if filed by April 15; $35 after April 15; Source: sosmt.gov · checked 2026-10-06
Annual fee, corporation: Fee waived if filed by April 15; $35 after April 15; Source: sosmt.gov · checked 2026-10-06
When it is due: Due April 15 each year.; Source: sosmt.gov · checked 2026-10-06
Late filing: A report filed after April 15 costs $35 instead of the waived fee.; Source: sosmt.gov · checked 2026-10-06
Filed with: Montana Secretary of State, through the Filing Actions button on the business record; Source: sosmt.gov · checked 2026-10-06
Note: Reinstating a profit corporation costs $30 plus $35 for each year of missed annual reports. Statements of change of registered agent or office are free.; Source: sosmt.gov · checked 2026-10-06

As published by the Montana Secretary of State, Business Services Division, checked 2026-10-06. Fees change, and the official schedule decides.

Registered agent: Montana entities keep a registered office and agent on file and can change either with a free statement of change; the office also publishes a commercial registered agent search.; Source: sosmt.gov · checked 2026-10-06
Name availability: Check whether a name is available in Montana →
Business forms and fees: Official Montana business forms and fees →

A fact that could not be confirmed on an official page is left out.