Last Updated August 11, 2017
Delaware Division of Revenue – Withholding Tax
Delaware Department of Labor – Unemployment tax
Add to existing company setup
Submit a request to your service team to add DE (withholding) and/or DESUI (unemployment) to your company setup. Please include the below with your request:
Delaware Division of Revenue
- Withholding – Deposit Frequency and Account number. If you’re unsure of your deposit frequency or account number, you can call the agency at 302-577-8205.
Delaware Department of Labor
- Unemployment – Tax rate and Account number. This can be found on a Tax Rate Notice or the Quarterly contribution report. If you’re unsure of your tax rate or account number, you can call the agency at 302-761-8482.
- Power of Attorney – POA is required, please obtain the prefilled form from your client service representative.
Register a new company
Delaware Division of Revenue and Delaware Department of Labor
The business registration is combined for withholding and unemployment. Register online at https://onestop.delaware.gov/osbrlpublic/Home.jsp. Select Initial Registration and New License at the bottom of the page, and follow the prompts. Once the registration has been submitted, you will receive your account number, deposit frequency, and rate within 10 days.
Third Party Registration and/or Power of Attorney Instructions
Power of Attorney is required, please obtain the prefilled form from your client service representative.