Acquiring a Commonwealth Business Identifier (CBI) Number
A Commonwealth Business Identifier number identifies Kentucky businesses. Obtain this ten-digit number after getting a federal tax ID. Call 502-564-3490 for additional options.
Checking Name Availability
First, check name availability using the Online Search. Or contact Secretary of State at 502-564-3490. Names can also be reserved.
Accessing Company Documents
Search names and download filed company documents containing identification numbers using Kentucky’s FastTrack Business Organization website. Documents provide public access.
Nonresident Withholding Account Number & State Tax ID
How to find Kentucky nonresident withholding account number?
How do I find my Kentucky state tax ID number?
Obtain the ten-digit CBI via the OneStop Portal after acquiring a federal tax ID number. Contact Secretary of State or call 502-564-3490 for additional CBI number options.