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SAP Ariba Onboarding (Register As New Supplier)

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Suppliers (aka vendors) can follow the instructions below to register to do business with the City of Portland via the SAP Ariba system.

The City of Portland encourages businesses, non-profit, sole proprietors to register to be able to do business with us.  The City uses the SAP Ariba system to register new suppliers.  The resources below will help suppliers to understand and navigate the process.

New Supplier Registration At A Glance

The graphic above can be downloaded at the link below:

El gráfico anterior se puede descargar en el siguiente enlace:


What information is needed to register?

To complete the registration process, you will need the following documents available in order to upload and input information: 

  • W-9: The City requires a signed, read-only W-9 in the latest IRS format. (Find latest W-9 form at: www.irs.gov/forms-pubs/about-form-w-9.)
  • ACH Information: You will need to upload either a copy of voided check or a letter from your financial institution that includes account and routing numbers.
  • Portland Business License Tax Number: This is required only if selling goods, services or construction-related improvements to the City. To register or find more information, visit www.portland.gov/revenue/business-tax.
  • Certification Office for Business Inclusion and Diversity (COBID) Certification Number: This is required only if you have a certification from the Oregon State Certification Office for Business Inclusion and Diversity.

A detailed listing of all the questions asked in the registration questionnaire is available here:


Starting the New Supplier Ariba Registration Process 

The process begins with the supplier submitting a request to the City.  When you are ready to start the process, click the button below.  You may also wish to review the training resources on this page for more guidance on how to navigate the process.

Start Registration Process


New Supplier Registration Training Resources 

The resources below have been created to help suppliers complete their required parts of this process -- step #1 (supplier request) and step #3 (supplier registration).

PDF Instruction Guides

In English:

En Espanol:

Video Instructions

Supplier Request - Video instructions

Supplier Registration Questionnaire - Video instructions for organizations

Supplier Registration Questionnaire - Video instructions for sole proprietors or individuals


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