Register a New Representative to an Existing Organization:


1.    Go online to www.UnisonMarketplace.com and click on the ‘Register’ button in the top right.

2.    Click on the ‘Register as a Seller’ button.

3.    Enter your Organization’s UEI number (If you need your UEI number, contact SAM.gov).

4.    Select your company from the drop down box and click ‘Confirm.’

5.    Scroll down to the ‘Seller Representative’ portion of the registration and complete all portions of the remainder of the registration form. Click ‘Continue.’

6.    Review the Information from the ‘Review and Submit’ page. If everything is correct, scroll to the bottom of the page and click ‘Complete Registration.’


Unison Marketplace will review the information on the registration and may contact you or your organization’s point-of-contact for written verification. Once approved, you will receive a link to setup your password. Please allow at least one business day for this process. If your registration needs to be expedited for an opportunity, please contact Marketplace Support here with your request.