No, once a UEI is issued to a business, it does not expire. If you would like to check when your SAM Registration expires, click the “Check SAM Status” below!
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No, once a UEI is issued to a business, it does not expire. If you would like to check when your SAM Registration expires, click the “Check SAM Status” below!
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No, UEI numbers and Cage Codes (also called SAM numbers) are two separate entity identifiers. It is important to distinguish between both when registering for federal contracts.

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Effective April 4th, 2022, businesses will no longer be required to have a DUNS number when registering in SAM.gov. In addition to this change, a DUNS number will not be required when bidding on or working toward federal contracts.

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In order to obtain a UEI (Unique Entity ID), a business must be registered within SAM.gov. Upon registering, a UEI will be automatically assigned and available for public access.

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Government contracting can be a complex and competitive arena, and it’s essential to understand the various identification codes that are used in this world. Two of the most crucial codes are the UEI (Unique Entity Identifier) and Cage Code. In this blog post, we’ll explore the differences between UEI and Cage Code and why they matter for businesses pursuing government contracts.
What is a UEI (Unique Entity Identifier)?
A UEI, or Unique Entity Identifier, is a relatively new concept introduced by the U.S. federal government. It is part of a broader initiative to simplify and standardize the identification of entities doing business with the government. The UEI replaces the D-U-N-S Number, which was previously used as a unique identifier for entities.
Key Characteristics of a UEI:
What is a Cage Code?
A Cage Code, or Commercial and Government Entity Code, has been in use for a more extended period than the UEI. It is primarily used to identify suppliers and contractors for the Department of Defense (DoD) and other federal agencies. Cage Codes have historically been associated with the Defense Logistics Agency (DLA).
Key Characteristics of a Cage Code:
Differences Between UEI and Cage Code:
Conclusion
In summary, understanding the differences between UEI and Cage Code is essential for businesses seeking government contracts. While UEIs are intended to provide a universal identifier for all federal government contracting, Cage Codes are historically associated with the Department of Defense and are widely used in defense contracting. Both codes play critical roles in identifying and verifying entities in government contracting, and businesses should ensure they have the appropriate codes depending on their contractual engagements and agencies they work with.
If you are unsure if you have a SAM Registration, use the lookup tool by clicking the button below
No, as of April 2022, the use of DUNS numbers has been phased out entirely and been replaced with Unique Entity Identifier (UEI).
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You can check your company’s UEI number by using our SAM Status Check page below!

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DUNS number is assigned to the lowest organizational level. CAGE code is assigned per legal entity at individual physical addresses.
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Completing the SAM registration process can be time-consuming, requiring up to 20 hours of effort. Many individuals become frustrated with the complexity and government jargon involved. Similar to hiring an accountant for tax forms, relying on a SAM expert to handle your registration makes sense. Our experienced team has successfully assisted small businesses, mid-size companies, and Fortune 500 firms with their SAM registrations. After completion, it may take up to 12 business days for the government to process your application and issue your SAM number or CAGE Code. Once obtained, you can begin bidding on government contracts confidently. Let us simplify this convoluted process for you.
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The Unique Entity Identifier (UEI) is a newly introduced 12-digit alphanumeric identifier issued to all entities registering with SAM.gov for federal government business, including existing entities. Learn about this essential identifier and its role in facilitating business transactions with the federal government.
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