Montana Business Entity Search: Look Up a Business Free (2026)
You can look up any Montana business for $0 - free through the Montana Secretary of State Business Search at biz.sosmt.gov. The search confirms an entity's exact legal name, entity ID, entity type, status, registered agent, and filing dates at no cost. Use it to verify a company before you sign a contract, to check name availability before you file, or to find the registered agent for service of process.
Quick Answer
- Free search
- Montana SOS Business Search - biz.sosmt.gov/search/business
- Agency
- Montana Secretary of State, Business Services Division
- Cost
- $0 - the search itself is free
- Shows
- Legal name, entity ID, status, registered agent, filing dates
- Ongoing filing
- Annual report due April 15 each year
- Certified copies
- Ordered through the SOS portal for a separate fee
Where Montana Business Records Live
Montana keeps its corporate registry with the Montana Secretary of State, Business Services Division. That office records every domestic and foreign LLC, corporation, limited partnership, and nonprofit, along with each entity's Articles of Organization, registered agent, and annual report. Unlike some states that run a separate paper index, Montana keeps everything in one online system: the Business Search and the filing portal are two views of the same underlying data at biz.sosmt.gov. For the national overview of how these lookups work, see our business entity search hub.
The Secretary of State's database is not the same as the tax or trademark record. The Business Services Division tracks the entity's legal existence and its public filings; the Montana Department of Revenue tracks tax accounts separately. Your federal EIN is issued by the IRS and does not appear in the state system. And a name that is clear in Montana records may still conflict with a registered trademark owned by a business elsewhere, so an entity search is one layer of diligence, not the whole picture. If you are choosing a structure, start with what is an LLC.
Free Search: Montana Secretary of State Business Search
The primary tool is the Montana Secretary of State Business Search at biz.sosmt.gov. You can search by business name or by the state-assigned entity ID. Results confirm the entity's exact legal name, its entity ID number, its entity type (LLC, corporation, LP, or nonprofit), its status (Active, Inactive, or Involuntarily Dissolved), the registration date, the registered agent and registered office, the principal address, and the entity's filing history. The search is free and requires no account, which makes it ideal for confirming that a vendor, customer, or prospective partner is a real entity in good standing before you commit. From the entity detail page you can proceed into the Secretary of State's portal to order certified documents when you need them. See how to form an LLC in Montana for how a record first gets created.
What a Search Reveals
A Montana entity search returns almost everything a lender, court, or counterparty needs to confirm a company's identity and standing. The table below shows the common data points and where they appear.
| Data point | Shown in the free search? |
|---|---|
| Exact legal name | Yes |
| Entity ID number | Yes |
| Entity type (LLC, corporation, LP) | Yes |
| Status (Active / Inactive / Involuntarily Dissolved) | Yes |
| Registration / formation date | Yes |
| Registered agent and registered office | Yes |
| Principal office address | Yes |
| Annual report filing history | Yes |
| Certified copies / certificate of existence | Order via SOS portal (fee) |
Certified copy and certificate of existence fees are set by the Secretary of State and change over time, so confirm the current amount in the online portal before ordering.
How to Search, Step by Step
- Open the Business Search. Go to the Montana Secretary of State Business Search at biz.sosmt.gov and enter the business name or entity ID.
- Open the entity record. Select the matching result to view the status, entity type, formation date, and the current registered agent and registered office.
- Check the report status. Note whether the entity's most recent annual report is on file and whether the status is Active or Involuntarily Dissolved.
- Order certified records if needed. Log in to the Secretary of State portal to request a certified copy of the Articles of Organization or a certificate of existence for financing, litigation, or a bank account opening.
Checking Name Availability Before You File
If you are forming a new company, an entity search doubles as a name-availability check. Montana requires a new entity name to be distinguishable on the records of the Secretary of State from existing names and reservations. Searching for close matches tells you whether your preferred name is likely available, but only the Secretary of State makes the final call when you file. A clear search is not a guarantee, and a name that is available in state records can still infringe a federal trademark. If you are ready to reserve a name, you can hold it for a set period through the Secretary of State's portal. See how to form an LLC in Montana for the full formation arc, the Articles of Organization for the formation document itself, and Montana assumed business name if you will operate under a trade name.
Registered Agent and Annual Report in the Record
Two of the most useful fields in a Montana search are the registered agent and the annual report status. Every Montana LLC must continuously maintain a registered agent with a physical Montana address, and that agent - the person to serve with a lawsuit or official notice - appears directly on the entity record. Attorneys routinely run the search to find the current agent before filing suit. The record also shows whether the entity's annual report is current; Montana requires this report every year, generally due by April 15, and a missed report is the most common reason an entity slips into an involuntarily dissolved status. If you are the owner, a quick self-search each year is the easiest way to confirm your agent and report are current before a financing or a bid. Compare the ongoing duties in Montana LLC cost and keep your Montana registered agent up to date.
Reading Montana Entity Status Codes
The status field is the single most important result of a search. An entity in good standing reads Active. Common problem statuses include Inactive and Involuntarily Dissolved, which mean the Secretary of State ended the entity's active status - usually for failing to file its annual report or maintain a registered agent under the Montana Limited Liability Company Act; and Withdrawn or Dissolved, meaning the owners closed it. An involuntarily dissolved entity generally must file its overdue reports and reinstatement paperwork to return to active status. If you are dealing with a company in a dissolved status, treat contracts cautiously - the entity may not be authorized to carry on business except to wind up its affairs. See how to dissolve an LLC in Montana for how a proper close differs from an involuntary one, and the legal glossary for the terms.
Common Uses for a Montana Entity Search
A Montana entity search supports several everyday tasks. Vendors and lenders run one for due diligence before extending credit. Attorneys use it to find the current registered agent so they can properly serve a lawsuit. New founders check name availability before filing Articles of Organization or a Montana assumed business name. Buyers confirm an entity's good standing during an acquisition, and banks require a certificate of existence to open accounts or process loans. Whatever the purpose, the free Secretary of State Business Search confirms that the entity exists and is active; the SOS portal is where you order the certified document that a bank or court will accept as proof. Owners should also confirm any Montana business license and state tax accounts are current.
The search is also the first step before you form or rename a company, and a smart annual habit for owners. Founders confirm a name is distinguishable before filing; existing owners verify the registered agent and annual report are current before a financing or a bid. If you are winding a company down instead, the record will eventually show a dissolved status once you complete dissolution in Montana. Leaving an entity active but unfiled is what produces the involuntarily dissolved status that later blocks clean reinstatement, so treat the entity search as routine maintenance, not a one-time check at formation. Compare approaches in other states, such as the Indiana business entity search or the Florida business entity search, to see how Montana's single-portal model differs.
Frequently Asked Questions
Is the Montana business entity search free?
Yes. The Montana Secretary of State Business Search at biz.sosmt.gov is free and shows the legal name, entity ID, entity type, status, registered agent, and filing dates. No account is required for a basic search.
Where do I search for a Montana business?
Use the Montana Secretary of State Business Search at biz.sosmt.gov. It draws on the Business Services records maintained by the Secretary of State, the same system used to file entities.
How do I find a Montana LLC's registered agent?
Search the entity and open its detail page, which lists the current registered agent and registered office. The agent is named on the Articles of Organization and updated by a statement of change.
How do I check if a Montana business name is available?
Search existing names in the Business Search. A new name must be distinguishable from names already on record. A clear search is not a guarantee - the Secretary of State makes the final call when you file.
What does "Involuntarily Dissolved" mean?
It means the Secretary of State ended the entity's active status, usually for a missed annual report or a lapsed registered agent. The entity must generally file the overdue reports and reinstatement paperwork to return to active status.
Can I get a certified copy of a Montana filing online?
Yes. The Secretary of State lets you order certified copies and a certificate of existence for a fee. These are the records banks, lenders, and courts typically require.
Related
- Business entity search (hub)
- Montana Articles of Organization
- Montana DBA filing (assumed business name)
- How to form an LLC in Montana
- Montana annual report and taxes
- Montana registered agent requirements
- How much does a Montana LLC cost?
- How to dissolve an LLC in Montana
- Business licenses in Montana
- Indiana business entity search (sibling)
- How to get an EIN
- What is an LLC?
- Legal glossary
Sources
- Montana Secretary of State - Business Search (free public entity search: name, status, registered agent).
- Montana Secretary of State - Business Services (registry overview and online filing).
- Montana Secretary of State - Annual Reports (annual report requirement and April 15 due date).
- Montana Secretary of State - Business Forms and Fees (Articles of Organization; certified copies).
- Montana Secretary of State - Reinstatement (returning an involuntarily dissolved entity to active status).
- Montana Code Annotated - Title 35, Chapter 8: Limited Liability Companies.
- Montana Code Annotated - Title 35, Chapter 7: Registered Agents.
- Montana Code Annotated - Title 35, Chapter 14: Montana Business Corporation Act.
- Montana Code Annotated - Title 30, Chapter 13: Assumed Business Names.
- Montana Department of Revenue - Taxes and Business Registration (separate tax accounts).
- IRS - Limited Liability Company (LLC) (federal classification).
- IRS - Get an Employer Identification Number (free EIN).
- Cornell Legal Information Institute - Registered agent.
- Cornell Legal Information Institute - Limited liability company (LLC).
LegalGlass provides general information for educational purposes and is not a law firm or a substitute for advice from a licensed attorney or tax professional. Search results, fees, and status codes change; verify current requirements with the Montana Secretary of State before acting.