New Company Registration for Connecticut

Disclaimer: This article is not intended to be tax, legal, financial, or HR advice. Rules and regulations change over time and can vary by location. Consult with a lawyer, accountant, Tax, or HR expert for specific guidance.

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Register for Taxes with Middesk

Homebase has partnered with Middesk to make tax registration easier for you.

• Middesk can register you across all 50 states for withholdings/income tax (SIT) and unemployment insurance (SUI)
• Middesk will continue to support your ongoing compliance by processing and surfacing your state mail for your review
• Middesk offers registrations for select PFMLs and local jurisdictions as well

To get started, sign up here and check out this tutorial.

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State Withholding Income Tax

Tax Agency: Connecticut Department of Revenue Services (DRS)

Registering for a Tax Registration Number and Creating a Username & Password

1. Go to myconneCT online center.
2. Under Business Registration, click on New Business/ Need a CT Registration Number.
3. Review items needed to register and click Next.
4. Under Reason for Registration, select Requesting a Connecticut Registration number/Opening a new business.
   1. Note: Before you complete the registration, you will also be required to create a username and password to log on to myconneCT portal.
5. Once you submit, print your confirmation page for your records

Obtaining your Connecticut Tax Registration Number

1. Go to myconneCT portal and sign in.
2. Your Connecticut Tax Registration Number is located in the top left corner of the window.

After You Register

• Update your Homebase account with your Connecticut tax registration number.  Your tax registration number is required for all CT Department of Revenue interactions to ensure your account is accurate
• If you have any questions regarding this process, contact a representative at 877-729-6691.  
• MyconneCT also provides step by step tutorials for additional assistance.

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Unemployment Insurance Tax (UI)

For all employers of one or more persons (full or part-time) must register by filing an Employer Status Report.

Tax Agency: Connecticut Department of Labor 

Registering for Connecticut Department of Labor Registration Number

1. Go to CT DOL website.
2. Click on Yes, take me to internet employer registration system.
3. Review instructions and click Proceed.
4. Click Yes to Have you engaged employees in Connecticut.
5. Enter FEIN number and proceed and complete registration.
   1. Note: Within 5-7 business days, you will receive an official notification letter, by mail, of your registration with the agency. 

Creating a Username and Password

1. Once you have received your CT DOL Registration Number, go to Connecticut Department of Labor and Benefits system portal.
2. Under Employers without an account, select Create an Account.
3. Review requirements and complete set up for online access.

After You Register

• If you have any questions regarding this process, please call the Employer Status Unit at (860) 263-6550.  
• Update your Homebase account with your Connecticut Department of Labor Registration Number.
• Your Labor registration number is required for all Connecticut tax interactions to ensure your account is accurate.

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Paid Family and Medical Leave

Tax Agency: Connecticut Paid Leave Authority

Creating an Account with CT.gov

1. Go to CT Paid Leave website.
2. Click Create an Account.
3. Create a username and password.
4. After you press Submit, you will receive an email with a verification code to verify the email address you provide during the account creation process.
   1. Note: You need to do so within 15 minutes of receipt.

Registering your Business with the CT Paid Leave Authority

1. Go back to CT Paid Leave website.
2. Click the Get Started button and review information needed for registration.
3. And select the Register button.  
4. Complete all 5 steps for registration.
5. Confirm you receive an email confirmation.

After You Register

• If you have any questions regarding this process, you may contact customer support online.  
• Additionally, a step-by-step registration tutorial is available.  
• Your account number assigned will be the same as your federal identification number.