Strategic Procurement Division

Supplier Portal

If you have previously registered with the City of Houston and have a vendor number, please DO NOT use New Supplier Registration link. In order to avoid duplication and allow legacy suppliers to continue using the existing vendor number, we have sent out invitation to your email in record. Please use the link in the email to complete the process. If you have not received any invitation email, please contact

If you have already submitted a new request on Ariba Network, we will review your request and deny it once we find duplicated record(s).



Q: I am a registered supplier with City of Houston, why do I need to register again?

A: The City of Houston is moving its procurement process to the new Ariba Network. All the suppliers need to have an account in Ariba Network in order to continue to do business with the City of Houston. To avoid duplication, we sent out registration invitation to our suppliers to complete the registration process. Please use the link in email to review and submit the registration form.


Q: I am new to do business with City of Houston, where do I start?

A: Please use the New Supplier Registration button above to submit a Supplier Request Form. Once your request form is approved, you will be able to review and participate in COH solicitations found in the Ariba Discovery page.


Q: What is the cost to register on Ariba Network?

A: It is free to create an account on Ariba Network to become a registered supplier with the City of Houston. Once your supplier request form is approved, you will be able to search and respond to COH's solicitations within the Ariba Discovery page.