New Company Registration for South Carolina

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: South Carolina Department of Revenue (DOR)

Registering Your Business

1. Go to the South Carolina DOR
2. Click on MyDORWAY
3. Review application instructions and select next
4. Select Register a new South Carolina business or Remote Seller
5. Select type of ownership from drop down menu and complete application
6. You should receive your SC Withholding File Number
   If you have any questions regarding this process, please contact the Department of Revenue at 1-844-898-8542 or email at RegistrationforTaxes@dor.sc.gov 

Creating an Online Account

1. Go to MyDORWAY
2. Click sign up
3. Select Create your profile

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State Unemployment Income Tax (SUI)

Tax Agency: South Carolina State Unemployment Insurance

Registering Your Business

1. Go to the South Carolina Department of Employment and Workforce
2. Click Employers
3. Under I need to, click Register for an Account - Employers
4. Review instructions and click next
5. Create a username and password

Authenticating Your Account

1. Go to the South Carolina Department of Employment and Workforce
2. Click Employers
3. Under I need to, click Authenticate my Account- Employers
4. Enter Employer Account ID and PIN
5. Go back South Carolina Department of Employment and Workforce
6. Under Log Into My Account, click Employers

Important to Note

• If you have any questions regarding this process, please contact Employer Tax Services at 803-737-2400.