Vendor Service Center

The new Ariba eInvoicing Portal is located at You may reach to the Booz Allen Help Desk at 1-877-927-8278 to request login credentials to submit electronic invoices. Visit the FAQ section for more information on vendor requirements for electronic invoicing.

Interested in receiving faster payments? See DOMESTIC PAYMENTS for electronic remittance options

Change in mailing address or business name for domestic suppliers? Complete W-9 form and email to

New IRS forms are required for international vendors. See INTERNATIONAL PAYMENTS >> Commonly Used Forms for more information

Want to send electronic invoices at no cost? See DOMESTIC PAYMENTS and select Electronic Invoicing for options