Connecticut
Register your new business in Connecticut by completing essential tax registrations for employees.
Connecticut New Business Registration Guide
Taxes You Must Register For
If you’re starting a business with employees in Connecticut, you must register for:
- State Withholding Income Tax
- Unemployment Insurance (UI) Tax
- Paid Family and Medical Leave (PFML)
➤ 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 Check account with this number for accurate tax filings
Need help?
- Phone: 877-729-6691
➤ Unemployment Insurance (UI) Tax
Tax Agency: Connecticut Department of Labor
Tax Type: Unemployment Insurance (UI)
Required for employers with one or more employees, full or part-time
✅ 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 Check 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 Check account once complete
Need help?
- Step-by-step tutorial: https://ctpaidleave.org/s/prepare-for-registration?language=en_US
⚠️ Disclaimer: This guide does not constitute legal or tax advice. For formal advice, consult a CPA or tax advisor.
Last updated on May 17, 2025