UEI (Unique Entity ID) FAQs
Everything you need to know about the Unique Entity Identifier: how to get one, where to find it, what it's used for, and how it differs from EIN for federal contracting.
How do I find my UEI number?
Log into SAM.gov with your entity administrator account and open your active entity registration record to see your UEI.
How can I get my UEI number?
Create a Login.gov account, sign into SAM.gov, and start the Get Unique Entity ID process with your legal business information.
Is a UEI number the same as EIN?
No, the EIN is issued by the IRS for tax purposes, while the UEI is issued through SAM.gov for federal contracting identification.
Does every company have a UEI number?
No, only entities that pursue federal contracts, grants, or other federal assistance need to obtain a UEI through SAM.gov.
How does a business get a UEI number?
Validate your legal and physical address information in SAM.gov after creating a Login.gov account.
Is a UEI number required?
Yes, a UEI is required for entities that want to register in SAM.gov to receive federal contracts, grants, or financial assistance.
Does it cost money to get a UEI number?
No, obtaining a UEI through SAM.gov is completely free. Be cautious of third parties charging for this service.
Who is exempt from using E-Verify?
Many small businesses are exempt unless E-Verify is written into a federal contract, subcontract, or mandated by state law.
What is a UEI used for?
A UEI uniquely identifies your organization in federal systems for contracts, grants, awards, and past performance tracking.
Make Your UEI Work for You
Your UEI is more than just an ID number. GovCon in a Box helps you turn that identifier into a visibility asset with AI-powered tools, opportunity matching, and strategic guidance built around your federal profile.
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