Register to Use Business Services Online

You must register to use Business Services Online – Social Security’s suite of services that allows you to file W-2/W-2Cs online and verify your employees’ names and Social Security numbers against our records.

Your BSO user ID and password can no longer be used to access employer services. You must sign in with your Login.gov or ID.me account to gain access to employer services.

If you already have a Login.gov or ID.me account, do not create a new one. You can use your existing account to access employer services. Start at the BSO Welcome Page, then select “Sign in” or "Create account" in the "Employers" section.

Quick Reference Guides

• Helpful Tips
• Here's what BSO can do for you
• Taxpayer First Act
• How to Register and Get an Activation Code (Updated)

File W-2s/W-2Cs Online

This service offers fast, free, and secure online W-2 filing options to CPAs, accountants, enrolled agents, and individuals who process W-2s (the Wage and Tax Statement) and W-2Cs (Statement of Corrected Income and Tax Amounts).

Verify Employees’ Social Security Numbers

The Social Security Number Verification Service allows employers to verify the names and Social Security numbers of current and former employees for wage reporting purposes only.

Social Security also offers the Consent Based Social Security Number Verification Service.

Helpful Hints to Electronic Filing- Updated 07-2025