Supplier Portal Information and Instructions



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For registered suppliers, access your portal here!
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Office of Contracting and Procurement

Coleman A. Young Municipal Center 2 Woodward Avenue - Suite 1008 Detroit, MI 48226
Monday - Friday, 8:00 am – 4:00 pm
Closed for Lunch 12:00 pm - 1:00 pm
Office of Contracting and Procurement

Chief Financial Officer


Supplier Portal Enhancements

We are excited to announce enhancements to the Supplier Portal. Along with managing your company’s profile (like changing your address, adding and removing contacts), you will be able to enter your Bids, Bid Responses, and send your required documents using the Supplier Portal. It will be your 1-Stop Shop! New training is ongoing.

Open Bids in Oracle

Your ability to manage your company's profile has now been greatly enhanced.  This includes addresses, contacts, business certifications, bank accounts, and products and services. Suppliers are expected to manage their profiles to ensure accurate information. 

The Supplier Portal allows suppliers to submit invoices electronically and view their purchase orders and contracts.

It is important that as a key stakeholders in the purchasing process, suppliers become familiar with this system. The video below serves as an introduction to the City’s iSupplier Portal System. Please watch the video in order to familiarize yourself with the Cloud system. In addition, we encourage you to view the following materials:

  • Supplier Portal Webinar Registration

Supplier Notice

Until you have a signed contract or purchase order from The Office of Contracting and Procurement, you may not begin any work with a City of Detroit department or agency.

Any invoices submitted with dates before a contract or purchase order is approved and signed by the Chief Procurement Officer, will not be honored.