Prosper Portland Vendor Services
The Prosper Portland Vendor Portal offers a secure and accessible way for vendors to manage their information. It streamlines the process of establishing and updating W-9s, banking details, City/State business registrations, and Equal Employment Opportunity (EEO) information.
User Guide
Our Vendor Services Guide includes step-by-step instructions for registering, viewing purchase orders, viewing payment information, maintaining vendor information and more.
Still need help?
Reach us by email or phone:
Email: VendorServices@ProsperPortland.us
Phone: 503-823-3276
