Alert
The Social Security username sign-in option is no longer available. You must sign in with either a Login.gov or ID.me account account to gain access to employer services.
Save the Date!
SSA will hold our next Semi-Annual Meeting with the Wage Reporting Community and IRS on Thursday, July 17, 2025, from 1p.m. – 2 p.m. (Eastern Standard Time). If you would like to participate, please register HERE. Registration will be open from Wednesday, June 18, 2025, through Monday, July 14, 2025.
This meeting’s tentative topics include:
- Business Services Online (BSO) Registration Updates
- Frequently Received Questions and Recurring Errors
- IRS’ Information Returns Intake System (IRIS)
This will be a virtual meeting via Microsoft Teams (MS Teams). Login and call-in information will be provided via email after we receive your registration. This meeting will be moderated by SSA staff.
Please note: No Continuing Professional Education (CPE) credits will be given for attending this meeting.

Subscribe to W-2 News, our electronic newsletter, and receive email updates of important wage reporting information for employers who submit W-2s to Social Security.
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 (New)
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 10-2023
Online Services for Employers, CPAs, Accountants, Enrolled Agents and Individuals
- Cost-of-Living Adjustment (COLA) Information
- AccuWage Software
- Information for Software Developers
- Recordkeeping – Using Publication 15
- Specifications for Filing Forms W-2 and W-2c Electronically (EFW2/EFW2C)
- Online Error Reference Material
- File-Edit Tips for W-2
- Online Security Policy
- The Privacy Act And The Freedom of Information Act
Videos
- Business Services Online Users, How To Transition Your Social Security Username to Login.gov
- Electronic Filing with Business Services Online, Updated
Tutorials
How to:
- Helpful Tips
- Here's what BSO can do for you
- How to Register and Get an Activation Code (New)
- Use BSO (Word and PDF Documents)
- Tax Year 2024 New Wage File Upload Tutorial
- Taxpayer First Act
Handbooks
- Forms W-2/W-3 Instructions
- Form 941 - Employer's Quarterly Federal Tax Return Form
- The Social Security Number Verification Service
- Publication 15, (Circular E), Employer's Tax Guide--Reporting Sick Pay
- Social Security Number Randomization Frequently Asked Questions
- Electronic Wage Reporting (Forms W-2)
- Specifications for Filing Forms W-2 and W-2c Electronically (EFW2/EFW2C)
- Tax Year 2024 Substitute W-3/W-2 2-D Barcoding Standards
- Electronic Data Transfer Guide
- Apply for an Employer identification Number Online