Run by the Idaho Secretary of State. It covers corporations, LLCs, and partnerships, with downloadable filings.
Idaho Secretary of State | Business Entity Search
The Idaho Secretary of State keeps business records in its SOSBiz portal, where anyone can search them for free. A few clicks confirm a company's status, registered agent, and full filing history — and Idaho is one of the rare states where the annual report costs nothing to file.
Business Name Availability Check
State of Idaho
What the Idaho SOSBiz Search Covers
Each record lists the entity type, status, formation date, Idaho registered agent, principal office, and complete filing history.
Searching and downloading documents is free — and even Idaho’s annual report is free to file.
How to Search by Business Name
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1
Open the SOSBiz business search
Go to the Secretary of State's SOSBiz portal and open Business Search, or use the direct link below. No account is needed to search.
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2
Search by name, file number, city, or date
Search by name, file number, city, or date of organization. Use Advanced Search to add a name-matching mode — Begins With, Contains, or Exact Match.
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Read the results
Results show matching entities with their file number and status. Click a name to open its record.
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Review the entity record
The record shows the legal name, entity type, file number, formation date, status, Idaho registered agent, and principal office address.
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5
Open the filing history
The complete filing history is listed with downloadable documents you can view and save.
Ready to try it? Open the official SOSBiz search and run your query.
Search Idaho SOSBiz ↗All the Ways to Search Idaho Records
Business Name
Search by name with Begins With, Contains, or Exact Match. The most common starting point.
Open this search ↗File Number
Go straight to one record using the entity's SOSBiz file number.
Open this search ↗Registered Agent
Use Advanced Search to find the entities tied to a particular registered agent.
Open this search ↗City or Date
Filter by city or by date of organization or authorization to narrow a broad search.
Open this search ↗Rules That Make Your Search Work
- Search by name, file number, city, or date of organization.
- Use Advanced Search to limit to active entities, filter by registered agent, and combine criteria.
- Name-matching modes are Begins With, Contains, and Exact Match.
- Searching and downloading filed documents is free.
- Every Idaho entity must keep a registered agent with a physical Idaho street address.
- Idaho's annual report is free to file, but it is still required to stay in good standing.
Reading the Entity Detail Page
| Field | What it tells you |
|---|---|
| File Number | The number the Secretary of State assigned to the entity. |
| Entity Name | The registered legal name of the business. |
| Entity Type | The structure, such as a Domestic or Foreign LLC, Corporation, or Partnership. |
| Status | Whether the entity is in Good Standing or another condition. |
| Formation / Registration Date | The date the entity was formed in Idaho or registered as a foreign entity. |
| Registered Agent | The name and Idaho street address of the agent designated to receive legal documents. |
| Principal Office Address | The entity's principal business address as most recently reported. |
| Annual Report Due | When the entity's next annual report is due — by the end of its anniversary month. |
| Filing History | A complete list of filed documents with downloadable copies. |
Two official references help you go further:
How to View and Download a Company's Filings
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1
Open the entity’s detail page
Search by name or file number and click the entity to reach its record.
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Open the filing history
The record lists every filed document, from formation through annual reports and amendments.
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Download the documents
Open and save any filing directly from the record. Searching and downloading are free.
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File the free annual report
Sign in to SOSBiz to file the annual report — free in Idaho — or order a certificate of existence when you need one.
Annual report: Idaho entities file an annual report by the end of their anniversary month. Idaho is unusual in that the report is free to file, but skipping it can still lead to administrative dissolution.
Idaho Business Search - Common Questions
Is the Idaho business entity search free?
Yes. Searching SOSBiz and downloading filed documents is free and needs no account.
How do I narrow a broad name search?
Use Advanced Search to limit to active entities, choose a name-matching mode (Begins With, Contains, Exact Match), and combine criteria such as city or registered agent.
Does Idaho require an annual report?
Yes, every year, but Idaho is unusual in that the annual report is free to file. It is due by the end of the entity's anniversary month through SOSBiz.
How do I find a company's registered agent?
The registered agent's name and Idaho address appear on the entity record, and you can also filter by registered agent in Advanced Search.
Where do I download formation documents?
Open the entity record and use the filing history, which lists downloadable copies of the entity's filings.
A name is available in Idaho. Does that mean I can use it?
Not necessarily. State availability does not clear a name against federal trademarks. Run a USPTO trademark screen and check domain and social-handle availability before committing.