SOS Entity SearchPublic registry guide
Montana/Business lookup

Business lookup desk

Find the right entity record the first time.

Use the public registry as your source of record for legal name, status, agent details, and filing history. Here is how Montana Secretary of State, Business Services structures the search.

Search Montana entities

Portal context

A search engine built for public filings.

Montana Business Services Online. The public record is designed to establish filing status and statutory contact information—not to replace a legal opinion, tax clearance, or private ownership investigation.

Official starting point

https://sosmt.gov/business

Search capabilities

Know what the portal can actually answer.

Montana's official business search locates corporations, LLCs, assumed business names, and foreign entities by legal name or business record. The record provides status, registered agent and office, annual reports, and filed documents; use the entity record for managers or officers where publicly filed. Online filings, certificates, and annual reports are available through Business Services.

Search workflow

01

Start with the legal name

Enter the exact name when available. If the first result is inconclusive, test the distinctive words and confirm the entity type, jurisdiction, and status.

02

Use identifiers and filters

Montana's official business search locates corporations, LLCs, assumed business names, and foreign entities by legal name or business record. The record provides status, registered agent and office, annual reports, and filed documents; use the entity record for managers or officers where publicly filed. Online filings, certificates, and annual reports are available through Business Services.

03

Read the whole record

Confirm active status, registration date, registered office, agent, expiration or delinquency, and the filings that support the current result.

What to capture from a public search

For a vendor review, closing checklist, lender package, or internal compliance file, save more than the name. Capture the entity ID, exact legal name, domestic or foreign designation, formation or qualification date, current status, registered agent, registered office, principal office, expiration date, and the most recent filing or report.

If the portal offers document images, download the charter, amendments, mergers, conversions, reinstatements, and latest annual report that matter to the transaction. A short screenshot may show a status, but it may not prove the terms of the governing document or the date a change became effective.

Search result versus certificate

A public result is useful for orientation and monitoring. A certificate of status, existence, or good standing is a formal agency document used when a third party needs current evidence. If the recipient asks for a “certified copy,” it is asking for the filed instrument—not merely a good-standing certificate.

Portal caution

State systems may use exact-match logic, partial-name searches, control numbers, registered-agent searches, or filters that change depending on whether you are searching active, inactive, domestic, or foreign entities. Read the portal’s own instructions and test the legal name before concluding that no record exists.

Direct search portal

https://biz.sosmt.gov/search

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