New Company Registration for Delaware

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: Delaware Division of Revenue

Creating a Username & Password

1. Go to Delaware One Stop.
2. Enter email address where you will receive correspondence from Delaware.
3. Enter first and last name, address the I’m not a robot and Term & Conditions boxes and click Submit.
4. A verification email will be sent to complete the setup process.
5. Click the link and create a password.  

Registering for an Account Number with Withholding Option

1. You will need to select this option by selecting Get Started button under this option.
2. Please review page, if correct and select Register as a withholding.
3. Read Overview and select Start.
4. Enter your FEIN and select Save and Continue.
5. Enter your business name and select Save and Continue.
6. Answer remaining pages regarding your existing business and select Save and Continue to move forward for each page.
7. For Type of Ownership, select the dropdown that best fits your purposes for registering.
8. Add First Payroll Date, Review and Submit, and receive your confirmation.

After You Register

• Update your Homebase account with your Delaware Division of Revenue account number to ensure your account is accurate.
• If you have any questions regarding this process, or if you have any questions call the DelawareDivision of Revenue at 302-577-8778 option 2 for further instructions.

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Unemployment Insurance Tax (UI)

Tax Agency: Delaware Division of Unemployment Insurance

Registering for an Account Number

1. Go to Delaware One Stop.
2. Under Hiring select Get Started.
3. Review the page for Report hiring of employees and select Report hiring now.
4. Review the Overview for and select Start.
5. In Business Lookup and enter your FEIN and select Save & Continue.
6. Complete remaining registration steps.

The Delaware Division of Unemployment Insurance also has a paper form

1. Please use link to access a copy of the UC-1- Report to Determine Liability form UC-1-Report to Determine Liability.
   1. Note: Please print and complete the UC-1-Report to Determine Liability and mail it to the address on the top right of page one of application.

After Your Register

• Update your Homebase account with your Delaware Division of Unemployment Insurance account number to ensure your account is accurate.
• If you have any questions regarding this process, if you have any questions call the Delaware Division of Unemployment Insurance at 302-761-8482 for further instructions.

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City of Wilmington Delaware Local Tax

Tax Agency: Local Tax Agency

Filling Out the City of Wilmington Delaware Paper Form

1. Use the link to access a copy of the City of Wilmington Delaware Application for Business License form Application for Business License. 
2. Then print the completed application and mail it to the address on the top left of page two of application.

After You Register

• Update your Homebase account with your City of Wilmington Delaware account number to ensure your account is accurate.
• If you have any questions call the City of Wilmington Delaware at 323-576-2415 for further instructions.