SSA Business Services Online (BSO)

What is SSA Business Services Online (SSA BSO)?

SSA BSO is a suite of business services that allows employers to conduct business with the Social Security Administration (SSA). Electronic file upload, a feature of the BSO, allows you to transmit EFW2 and EFW2C compliant files of Annual Wage Reports to SSA over the Internet.

Who can use SSA BSO?

Anyone with access to the Internet can use SSA BSO, however, a one-time registration process is required.

Is there a charge to use SSA BSO?

No, except for charges from your Internet service provider.

Do you have to register to use SSA BSO?

Yes. In order to use SSA BSO you must obtain a User Identification Number and password from SSA. You can obtain a User Id by selecting the Registration link found on the SSA BSO website. For questions relating to BSO registration, call 1-800-772-6270, Monday-Friday, 7:00 AM to 7:00 PM EST.

How do you use your User Id?

The User Id you receive from the SSA must be recorded in the Submitter Record of each W2REPORT file submitted to SSA. Once you receive your User Id, enter it on the Submitter page of the Transmitter/Submitter Information dialog found on the Module menu. Account Ability automatically includes your User Id when creating the W2REPORT file.

Accessing SSA BSO

Once you have received your User Id and password you are ready to access SSA BSO. Select SSA Business Services Online from the Module menu in order to visit the BSO website.

Electronic Submissions Guidelines

•	Electronically files may be submitted all year.

•	Initial files received after March 31, 2020 are considered "late" by SSA.

Data Compression Guidelines

•	Data compression is encouraged when submitting Annual Wage Reports electronically.

•	Acceptable compression packages include WinZip and PKZip.

•	Do not compress more than one data file together.

BSO Technical Assistance

Technical assistance can be reached at 888-772-2970, Monday through Friday, between 8:30 AM and 4:00 PM EST.