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This is a U.S. General Services Administration Federal government computer system that is FOR OFFICIAL USE ONLY. This system is subject to monitoring. Individuals found performing unauthorized activities are subject to disciplinary action including criminal prosecution.

Note: If you are a GSA employee, you may login using your GSA Windows username and password.
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Regional Point of Contacts



Technical Support and Registration

Call: (877) 472-4877

Email: AASBS.helpdesk@gsa.gov


FYE Extended Support Hours

System Announcement The ASSIST Service Desk hours have been extended in support of fiscal year end activities. Extended Support Hours: 9/16/17 - Saturday: 10:00 am - 6:30 pm ET || 9/17/17 - Sunday: 10:00 am - 6:30 pm ET || 9/23/17 - Saturday: 10:00 am - 6:30 pm ET || 9/24/17 - Sunday: 10:00 am - 6:30 pm ET || 9/25/17 - 9/29/17: Monday - Friday: 6:00 am - 11:00 pm ET || 9/30/17 - Saturday: 10:00 am - 12:00 pm ET** || **Finance processing times are still being finalized and will be updated once confirmed.

FY17 PI-3 Release

System Announcement On July 14th, 2017, the FY17 PI-3 Release was deployed. This release contains updates to Post Awards Collaboration, OMIS Funds Search, TOS ECF, ITSS Funding, PIID and FPDS. For more information on the details of the changes, please access the help document : https://web.itss.gsa.gov/itss/v41_helpdocs.nsf/LUindex/What'sChangingInPI3Summary

Changing Password - Clients and Contractors

System Announcement For Client and Contractor users: you may change your ASSIST password at any time, but must change it every 90 days. You may access instructions on how to change your password at the following URL : https://web.itss.gsa.gov/itss/v41_helpdocs.nsf/LUindex/ChangePassword

News and Information

Technical Support and Registration
 Call: (877) 472-4877
Email: AASBS.helpdesk@gsa.gov

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GSA Programs

Office of Assisted Acquistion Services
Assisted Acquistion Services (AAS)


Federal Systems and Integrated Management Center
Federal Systems and Integrated Management Center (FEDSIM)


Office of Integrated Technology Services
Integrated Technology Services (ITS)


Office of General Supplies and Services (IWAC)
GSA's Integrated Workplace Acquisiton Center (IWAC)


Governmentwide Acquisition Contracts (GWACs)
Governmentwide Acquistion Contract (GWAC)


Office of Network Services Program
Network Services Program