Overview: When starting a business in Connecticut with employees, you must register for State Income Tax Withholding, Unemployment Insurance (UI) Tax, and Paid Family and Medical Leave (PFML). These registrations ensure compliance with both state payroll and leave program requirements.
Important! This guide does not constitute legal or tax advice. You can consult a CPA or attorney for official guidance.
Taxes You Must Register For:
State Withholding Income Tax
Tax Agency: Connecticut Department of Revenue Services (DRS)
Tax Type: State Income Tax Withholding
Registration Steps
Step 1: Register for a Connecticut Tax Registration Number
Go to the myconneCT portal: https://drs.ct.gov/eservices/_/
Under Business Registration, click “New Business / Need a CT Registration Number”
Review registration requirements and click “Next”
Select the reason: “Requesting a Connecticut Registration number / Opening a new business”
Create a username and password as part of the registration
Submit your application and print the confirmation page for your records
Step 2: Locate Your Registration Number
Log into the myconneCT portal: https://drs.ct.gov/eservices/_/
Your Connecticut Tax Registration Number will appear in the top left corner
Update your Buddy Punch account with this number for accurate tax filings.
Need help?
Phone: 877-729-6691
Unemployment Insurance (UI) Tax
Important! Required for employers with one or more employees, full or part-time.
Tax Agency: Connecticut Department of Labor
Tax Type: Unemployment Insurance (UI)
Registration Steps
Go to ReEmploy CT: https://reemployct.dol.ct.gov/accessct/faces/login/login_local.xhtml
Click Create an Account
On the “New User Sign Up” screen, read instructions and click “Proceed”
On the next screen, select “Yes” when asked if you’ve engaged employees in Connecticut
Upon successful sign-up, click “Access your account now”
Enter your FEIN and continue registration
Complete verification; you will receive your registration letter by mail within 5–7 business days
Update your Buddy Punch account with this number for all CT DOL reporting.
Need help?
Employer Status Unit: (860) 263-6550
Paid Family and Medical Leave (PFML)
Tax Agency: Connecticut Paid Leave Authority
Tax Type: Paid Family and Medical Leave
Registration Steps
Step 1: Create a CT.gov Account
Click “Create an Account”
Set up a username and password
Verify your email with the code sent (within 15 minutes)
Step 2: Register with the Paid Leave Authority
Click “Get Started” → review requirements → then click “Register”
Complete all 5 steps of the registration
Check for an email confirmation after submission
Your account number for CT Paid Leave will be the same as your FEIN.
Update your Buddy Punch account once complete.
Need help?
Step-by-step tutorial: https://ctpaidleave.org/s/prepare-for-registration?language=en_US