Run by the Secretary of the State. It covers LLCs, corporations, and partnerships, and lets you search, file, and download records.
Connecticut Secretary of State | Business Entity Search
The Connecticut Secretary of the State publishes its business records through the business.ct.gov portal. Anyone can look up a registered entity for free to confirm its status, find its registered agent, and download its filings — including formation documents and annual reports.
Business Name Availability Check
State of Connecticut
What the Connecticut Business Search Covers
Each record lists the entity type, status, formation date, principals, registered agent, name history, and annual report timing.
The business records search is free and open to the public, with certificate downloads available.
How to Search by Business Name
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Open the business records search
Go to the business.ct.gov portal and choose Business records search, or use the direct link below. The search is free and open to the public.
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Search by name, ID, or filing number
Enter the business name, business ID, or filing number. Add an asterisk (*) after a keyword to pull up similar matches.
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Read the results
Results show matching records with their status. Click a business name to open its detailed record.
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Review the entity record
The record shows formation date, status, principals, registered agent, name history, and the annual report due date and last filed year.
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Open the filing history
The filing history lists formation documents, annual reports, amendments, agent changes, and more — with certificate downloads available.
Ready to try it? Open the official business records search and run your query.
Search Connecticut records ↗All the Ways to Search Connecticut Records
Business Name
Search by company name. Add an asterisk (*) after a keyword to see similar matches.
Open this search ↗Business ID
Go straight to a record using its Connecticut business ID number.
Open this search ↗Filing Number
Look up a record by a specific filing number.
Open this search ↗Filing History
From a record, open the full filing history and download certificates and filed documents.
Open this search ↗Rules That Make Your Search Work
- Add an asterisk (*) after a keyword to broaden a name search to similar matches.
- You can search by business name, business ID, or filing number.
- Click the business name in the results to open the full detail record.
- The record shows the annual report due date and the year the last report was filed.
- Searching and viewing records is free and open to the public.
- Connecticut uses the title Secretary of the State rather than Secretary of State.
Reading the Entity Detail Page
| Field | What it tells you |
|---|---|
| Business ID | The identification number Connecticut assigned to the entity. |
| Business Name | The registered legal name, along with any prior names in the name history. |
| Status | Whether the entity is Active, or in another condition such as administratively dissolved. |
| Business Type | The structure of the entity, such as an LLC, Stock Corporation, or Nonstock Corporation. |
| Formation Date | The date the entity was formed in Connecticut or registered as a foreign entity. |
| Principals | The members, managers, or officers associated with the entity, with their addresses. |
| Registered Agent | The name and Connecticut address of the agent designated to receive legal documents. |
| Annual Report Due Date | When the entity's next annual report is due, plus the year the last one was filed. |
| Filing History | A list of filed documents — formation, annual reports, amendments, agent changes — with certificate downloads. |
Two official references help you go further:
How to View and Download a Company's Filings
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Open the entity’s detail page
Search by name, business ID, or filing number and click the business name to open its record.
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Open the filing history
The record lists formation documents, annual reports, amendments, agent changes, dissolutions, and reinstatements.
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View or download the filings
Open the documents directly, and download certificates where offered. The search itself is free.
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Stay current with the annual report
The record shows the annual report due date. File or pay through the business.ct.gov portal to keep the entity active.
Annual report: Connecticut entities file an annual report each year. The detail record shows the due date and the year the last report was filed, so you can confirm whether a company is current.
Connecticut Business Search - Common Questions
Is the Connecticut business search free?
Yes. The business records search on business.ct.gov is free and open to the public.
How do I broaden a name search?
Add an asterisk (*) after your keyword. For example, "acme*" returns names that begin with "acme."
Does Connecticut require an annual report?
Yes. Connecticut entities file an annual report, and the record shows the due date and the year the last report was filed.
Can I download a company's formation documents?
Yes. The filing history section lets you view and download formation documents, annual reports, amendments, and certificates.
How do I find a company's registered agent?
The registered agent's name and address appear on the entity's detailed record.
A name is available in Connecticut. 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.