Connecticut Business Registration Data

Search for CT businesses registered with the Secretary of the State.

Welcome to the Connecticut Business Registration Data Search Portal

Developed through a partnership between the Connecticut Secretary of the State and the Connecticut Data Collaborative, this portal allows for full-text searching, exploration and downloading of business registration records.

To download recent business registration activity by month, see this Google Drive folder.

To get started, use the form below to search for businesses by name, address, city, business id, filing number, principal name or agent name.

The data reflect business registration activity as of May 14, 2021.

Or, use the Advanced Search to limit your results by date, business type, business status and more.

Business data are updated weekly. For the latest, official information about a given business, please consult the CT Secretary of the State's CONCORD application.

To learn more about the data, see technical details page.