901 S Austin Ave 
Georgetown, TX. 78626
Phone: (512) 943-3553
Fax: (512) 943-1575
[email protected]
Driving Directions
Purchasing Department

Our goal is to serve the public, the county organization, and our suppliers efficiently, professionally, and ethically. This website serves to assist suppliers about the following:

How to do business with Williamson County

Supplier Information

Frequently Asked Questions

Important Updates

Attention Suppliers!

Williamson County is excited to announce a transition to the upgraded Negometrix4 platform for electronic bidding.

Solicitations will be posted in Negometrix4 beginning June 2, 2020.

You may register your new profile now by clicking here to stay up to date on all County solicitations.

Please register as soon as possible to ensure no interruption in your notifications as we transition to this new platform.

While registering please ensure you sign up for notifications and have the correct time zone settings applied to your profile.

If you have any issues registering please contact the Negometrix Service Desk.


Excellence in Purchasing Award Image 2020

Mission Statement

The Purchasing Department serves Williamson County, Texas by:

  • Demonstrating professional assistance and guidance to all—in the acquisition of County goods & services
  • Ensuring all government requirements are applied with ethics, open-accountability, and integrity
  • Establishing opportunities and a fair process for suppliers to partner with Williamson County’s legacy of growth and excellence
  • Encouraging and equipping suppliers in providing:
    • Quality goods & services
    • Excellent performance
    • Best cost value
    • Exceptional support