Connecticut Secretary of State Business ID Search

Search the Connecticut Secretary of State’s business database by an entity’s identification (ID) number. This is a seven (7) digit number provided to every business type (corporation, LLC, and all limited partnerships) for State tax purposes. The ID can be found on most all filing documents obtained from the Secretary of State.

How to Search

Step 1 – Go to This WebPage and click the button next to the terms ‘Search by Business ID’. Enter the seven (7) digit number.



Step 2 – If you have entered the number correctly you will be redirected to the records page with only one (1) matching result. Click on the business entity name and you will be allowed to view the company’s information on file with the Secretary of State.


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