Suppliers must register and submit invoices directly through Workday.

Suppliers that need further assistance should contact Accounts Payable at 410-396-1980 or service.ap@baltimorecity.gov.

For suppliers, we currently offer the following training:

  • How to do Business with the City of Baltimore
  • How to Find Bidding Opportunities with the City

Upcoming Supplier Training Dates and Registration:

November 12, 2024
December 10, 2024 

Getting Started As A Supplier

To bid with the Bureau of Procurement (BOP), you must register as a supplier in the Workday system. You can still view bidding opportunities without a Workday account.  

The Supplier Self-Service Portal 

In the portal, you are able to: 

  • View and create invoices from purchase orders 
  • Access payment and remittance advice information 
  • Maintain master data such as contact info, addresses, and bank accounts 
  • Respond to requests for quotes (RFQ) 
  • Check payment status 

Your supplier information is protected and cannot be viewed by other suppliers.  

Any supplier contact (registered under an active supplier account) with a username and password will have access to the Supplier Self-Service portal.   

An active supplier is anyone who: 

  • Was issued a Purchase Order (PO) and/or Expenditure Authorization (EA) by the City of Baltimore after June 14, 2020 
  • Billed an invoice after June 14, 2020 
  • Received payment from the City of Baltimore after June 14, 2020 

Remember: As the Primary User, you can add additional users to your company/organization. 

Forms Needed for Prospective Supplier Registration

Prospective Suppliers must submit: 

  • Taxpayer Identification Number (TIN), 
  • Contact Information 
  • Business Information 
  • Current signed and dated W-9 form  

This information must be electronically attached to your registration.  

Click here to start your Prospective Supplier Registration

Please call (443) 984-1000 or email workdaysuppliers@baltimorecity.gov if you need assistance.  

Quick Links

How-To Guides
Supplier Self-Service Portal Fact Sheet 
Submit an Inquiry (preferred) 
Register as a supplier
Login to Supplier Self-Service Portal
See current bid opportunities
Get certified as an MBE/WBE
Add, Remove, or Update a Supplier Contact

Workday Support 

Users who need Workday support should Submit an Inquiry (preferred).  Users may also call 443-984-1000 for assistance.

Minority Women's Business Opportunity

The BOP works closely with the Mayor’s Office of Small and Minority Business Advocacy & Development (baltimorecity.gov) to ensure contracts include MBE/WBE participation. We encourage prime contractors seeking MBE/WBE firms for subcontracting to utilize the MWBOO directory

Visit Baltimore SourceLink, a regional referral network that links Baltimore area entrepreneurs and businesses.

City of Baltimore Formal General Terms and Conditions
City of Baltimore Informal General Terms and Conditions