How do I register for South Carolina payroll taxes?

Registering for South Carolina Payroll Tax Account Numbers

South Carolina requires employers to register with the Department of Revenue and Department of Employment & Workforce.

You can register with South Carolina Business One Stop online. With South Carolina Business One Stop, you can view your Department of Revenue account, Department of Employment and Workforce account, and more.

Department of Revenue Withholding Number

• Register online
• Format: 9 digits (99999999-9)
• To find an existing account number, call: (803) 896-1350

Department of Employment & Workforce Account Number

• Register online
• Format: 7 digits (0999999 or 0099999)
• To find an existing account number, call: (803) 737-3075

South Carolina Payroll Taxes

Payroll Tax Rates

The Department of Employment & Workforce will assign your unemployment insurance tax rate. New employers generally have an initial rate of 1.33%. There is a fixed Contingency Assessment rate of 0.06% for all employers.

Payroll Tax Deposit Schedules

All unemployment taxes are deposited quarterly. Your withholding deposit schedule will match your Federal withholding deposit schedule.