BSO Welcome Page

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Si necesita ayuda en español con su Número de Identificación Personal (PIN, por sus siglas en inglés) y su contraseña, por favor llame al 1-800-772-6270. For help in Spanish with your Personal Identification Number (PIN) and password, please call 1-800-772-6270.
*BSO-News* Enter your e-mail address during BSO Registration and receive important filing information. Because your time is valuable, we will only e-mail you about 4-6 times a year – for instance, when it's time to change your password or when changes are announced for the new filing season. Already registered? Login and select Update your Contact Information.

Software/Hardware Requirements:

Your browser settings must accept cookies. We recommend using a Windows-based PC to use our Internet services. Using Macintosh Computers, Web TV, or other non Windows-based PCs may cause inconsistent results.

Encryption Notice:

We are sorry, but if your browser can not use 128-bit encryption, you will need to upgrade it before you can use our Internet applications.

Online Services
Are Available:

Monday-Friday
5 AM - 1 AM

Saturday
5 AM - 11 PM

Sunday
8 AM - 11 PM

All times EST

Business Services Online (BSO)

BSO is a suite of business services for companies to conduct business with the Social Security Administration. BSO consists of Registration Services, Employer Services (Submit a Wage File, W-2 Online, View Status, View Notices, and View Errors), and Social Security Number Verification Service (SSNVS). You must be a registered BSO user to use these services. Other services will be added in the future.

Login to Business Services Online Login
If you have already registered, login to use BSO services and to maintain your BSO account.

Registration for Business Services Online Registration
If you have not registered for Business Services Online and need to obtain a Personal Identification Number (PIN) and password, select Registration.

BSO and Registration:

Have a question? Call 1-800-772-6270 Monday through Friday, 7:00 a.m. to 7:00 p.m. Eastern Time to speak with Employer Customer Service personnel.
For TDD/TTY call 1-800-325-0778.

Employer Services Liaison Officers (ESLO):

Our Employer Services Liaison Officers and staff in regional offices across the country can help you with information and expertise.
To find the specialist in your area, check out the current list of Employer Services Liaison Officers.

Select to go to software hardware information


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