Run by the Secretary of State. Every Colorado filing is electronic, covering corporations, LLCs, trade names, and trademarks.
Colorado Secretary of State | Business Entity Search
The Colorado Secretary of State keeps every business filing online, and its business database is searchable by anyone for free. A single search bar accepts a company name, trade name, trademark, ID number, or document number — the system figures out what you typed.
Business Name Availability Check
State of Colorado
What the Colorado Business Search Covers
Each record lists the entity type, status, formation date, registered agent, principal address, periodic report month, and filing history.
Searching and viewing filed document images cost nothing and need no account.
How to Search by Business Name
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Open the Colorado business database search
Go to the Secretary of State's business database search, or use the direct link below. Everything in Colorado is filed and searched online.
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Type into the single search field
Enter a business name, trade name, trademark, the 11-digit ID number, or a document number. You do not pick a category first — the system routes your query automatically.
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Read the results list
Results show the record name, ID number, and status. Click a record to open its full detail page.
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Open the entity summary
The summary shows status, formation date, registered agent, principal address, and the entity's filing history.
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Open the filed documents
From the summary you can open the entity's filed documents, which are available as free images.
Ready to try it? Open the official business database and run your query.
Search Colorado business database ↗All the Ways to Search Colorado Records
Business / Trade Name
Search by a company name or trade name. The single search bar handles both.
Open this search ↗ID Number
Go straight to a record using its 11-digit Colorado ID number.
Open this search ↗Trademark
Search registered Colorado trademarks and service marks by name.
Open this search ↗Document Number
Look up a specific filing using its document number.
Open this search ↗Rules That Make Your Search Work
- There is one unified search bar — you do not choose a category first.
- It accepts a business name, trade name, trademark, the 11-digit ID number, or a document number.
- Colorado is fully electronic: every filing is submitted and viewed online.
- Searching and viewing filed document images is free.
- Use the exact ID number to jump straight to a single record.
- Active entities must file a periodic report each year to stay in good standing.
Reading the Entity Detail Page
| Field | What it tells you |
|---|---|
| ID Number | The 11-digit number the Secretary of State assigned to the record. |
| Name | The registered name of the entity, trade name, or trademark. |
| Status | Whether the entity is in Good Standing, Delinquent, or another condition. |
| Form / Entity Type | The structure of the entity, such as a Limited Liability Company or Corporation. |
| Formation Date | The date the entity was formed in Colorado or registered as a foreign entity. |
| Registered Agent | The name and Colorado address of the agent designated to receive legal documents. |
| Principal Address | The entity's principal office address as most recently reported. |
| Periodic Report Month | The month the entity's annual periodic report is due. |
| Filing History | A list of the entity's filed documents, available as free images to view and download. |
Two official references help you go further:
How to View and Download a Company's Filings
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Open the entity’s summary page
Search by name or ID number and click the record to reach its summary.
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Open the filing history
The summary lists every document the entity has filed, from formation through periodic reports and amendments.
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View the images for free
Open any filing as a free image. Colorado keeps all of this online at no charge.
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Need a certificate?
Order a Certificate of Good Standing online from the Secretary of State for a small fee when a bank, court, or contract requires it.
Periodic report: Active Colorado entities file a periodic report online each year, during their assigned periodic report month, to stay in good standing.
Colorado Business Search - Common Questions
Is the Colorado business database search free?
Yes. Searching the database and viewing filed document images is free and needs no account.
Do I need to pick a search category?
No. Colorado uses a single search bar that accepts a name, trade name, trademark, ID number, or document number and routes your query automatically.
Does Colorado require an annual report?
Yes. Active entities file a periodic report each year, online, during their assigned periodic report month, to stay in good standing.
What is the 11-digit ID number?
It is the unique identifier Colorado assigns each record. Entering it takes you straight to that single entity.
How do I find a company's registered agent?
The registered agent's name and address appear on the entity summary page of any record.
A name is available in Colorado. 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.