DRS: Welcome to Connecticut's Online Business Registration Application

Registration Information
If you do not have a Connecticut Tax Registration Number or need to register additional locations:
 
Register your business online. Registering online provides several key advantages:
  • Reduces errors;
  • Fast, easy, secure;           
  • Confirmation of Receipt;
  • Electronic Payment of Fees;
  • (NEW) Temporary permit assigned and available to print immediately.  Temporary permit may be used until receipt of Connecticut Tax Registration Package in approximately 10 days. 
    • Who is eligible to Register online?
    • Who is required to register?
    • Which taxes can I register for online?
    • What fees are due when registering?

To register your business electronically, click here.

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If you already have received a Connecticut Tax Registration Number and are ready to file your return or to register for additional taxes (most taxes can be added through the online application) log into the Taxpayer Service Center (TSC-BUS).  DO NOT complete another registration application.