What is the difference between a Unique Entity ID and SAM.gov registration?

A Unique Entity ID only needs your legal business name and physical address, but it does not let you apply directly for federal awards. Full registration lets you bid on contracts and apply for federal assistance, and SAM.gov assigns your Unique Entity ID as part of it.

How long does SAM.gov registration take?

SAM.gov advises allowing at least ten business days after you submit for your registration to become active. It can take longer if your TIN or CAGE code fails validation.

How often do I need to renew my SAM.gov registration?

Every 365 days. You can update your registration anytime through your Entity Workspace.

SAM.gov registration, step by step

To bid on federal contracts as a prime contractor, including set-asides, your business needs an active SAM.gov entity registration. SAM.gov, the System for Award Management, is the government's central record of the businesses it pays, and contracting officers check it before they award. The good news is that registration is free and you can do it yourself in an afternoon of preparation and a few hours of data entry. The less good news is that small mismatches can stall validation for weeks. This guide explains the choice between full registration and a Unique Entity ID only, what to gather before you start, each stage of the process, and the mistakes that most often delay new registrants.

Registration versus a Unique Entity ID only

SAM.gov offers two paths, both described on Register your entity on SAM.gov. Full entity registration lets your business bid on government contracts and apply for federal assistance, and SAM.gov assigns your Unique Entity ID (UEI) during the process. Getting a Unique Entity ID only requires just your legal business name and physical address, but it does not let you apply directly for federal awards; it exists for purposes such as reporting as a subawardee.

If your goal is to compete for set-aside contracts, choose full registration. FAR Subpart 4.11 generally requires offerors to be registered in SAM when they submit an offer, with limited exceptions, and to stay registered through award and performance.

It is free, so ignore paid "registration" offers

SAM.gov states that there is no charge to get a Unique Entity ID, register your entity or maintain your registration. Even so, many new registrants receive official-looking emails or letters from private companies offering to register or renew them for a fee, sometimes worded to suggest the fee is required. It is not. If you want help, APEX Accelerators provide free one-on-one assistance with registration, and SBA district offices can point you to other free resources.

Step 1: Create a SAM.gov account

Select Sign In on SAM.gov. Your username and password are managed by Login.gov, the government's shared sign-in service, which will ask you to set up multi-factor authentication. Once you are signed in there, you return to SAM.gov to finish your user profile. The account belongs to you as an individual; the entity registration you create next belongs to your business, and you can later grant other people roles on it.

Step 2: Gather your information before you start

The single best thing you can do is download the SAM.gov Entity Registration Checklist and work through it first. For a contracts registration, sometimes called All Awards, you should expect to provide your legal business name and physical address (a P.O. box cannot be your physical address), along with your date and state of incorporation. You will need your Taxpayer Identification Number, such as an EIN, and the taxpayer name and address exactly as the IRS has them on file, because SAM.gov sends them to the IRS for validation.

You will also enter banking details for electronic funds transfer, including account type, routing number and account number, and a remittance address. You will list your NAICS codes and, optionally, product and service codes. You will report size metrics, meaning your annual receipts and number of employees, which SAM.gov uses to calculate whether you are small for each code you list; check them against the SBA size standards. You will name points of contact, including a Government Business point of contact who receives important notices. And you will answer the representations and certifications questions, plus SBA's supplemental questions if you are a small business. If you do not yet have a CAGE code, you answer no, and one is assigned after you submit.

Step 3: Start the registration

From your workspace, choose Get Started, then Register Entity, and select the purpose of registration; for contracts, that is All Awards. SAM.gov first validates your legal name and address and issues your Unique Entity ID. You then continue through the main sections: Core Data, which covers your business information, taxpayer details and financial information; Assertions, which covers your NAICS codes and size information; Representations and Certifications, which are the standard answers contracting officers rely on so you do not repeat them in every proposal; and Points of Contact.

Take the representations seriously. They are legal statements about your business, including its size and status, and they become part of every offer you submit. If you are unsure how to answer a question, read the referenced FAR provision on acquisition.gov or ask an APEX Accelerator counselor before you submit.

Step 4: Submit and wait for validation

SAM.gov advises allowing at least ten business days after you submit for a registration to become active. During that time your TIN is validated with the IRS and your CAGE code is assigned or validated. If either check fails, an email goes to your Government Business point of contact explaining what to fix, so watch that inbox, and its spam folder, while you wait. You can check progress at any time with Check Entity Status on SAM.gov. Consider a hypothetical: an owner who registered under a trade name while the IRS has the business under its legal name would see the TIN match fail, correct the name and resubmit, and lose the time of a second validation cycle. Matching the IRS record exactly the first time avoids that.

Step 5: Renew every 365 days

Registrations must be renewed every 365 days to stay active, and you can update your record at any time from your Entity Workspace. An expired registration can block an award, so set a reminder at least a month before your expiration date and treat the renewal like a tax deadline. Renewal is also the moment to update your NAICS codes, size information and points of contact as your business changes.

Common pitfalls

The most frequent problem is mismatched details: your legal name, address and TIN must match IRS records exactly, or validation fails. The second is starting too late; because validation takes time, register before you find the perfect opportunity, not after. The third is choosing the UEI-only path by mistake, which cannot be used to bid as a prime. The fourth is paying for something that is free. The fifth is careless size data; your NAICS codes and size metrics determine whether you appear as small for set-asides, and they are what contracting officers check.

After you are registered

Once your registration is active, apply for any SBA certifications you qualify for, such as 8(a), HUBZone, WOSB or EDWOSB or SDVOSB, through SBA Certifications. Then learn how to find set-aside contracts on SAM.gov and how to read a notice line by line. You can browse today's open set-aside opportunities on SetAside Signal, or get them in our free daily digest.

This guide is a summary. Always follow the current instructions on SAM.gov, and get free help from APEX Accelerators or by finding your SBA district office.

Frequently asked questions

Is SAM.gov registration free?: Yes. SAM.gov states there is no charge to get a Unique Entity ID, register your entity, or maintain your registration. Third-party services that charge are optional and not required.
What is the difference between a Unique Entity ID and SAM.gov registration?: A Unique Entity ID only needs your legal business name and physical address, but it does not let you apply directly for federal awards. Full registration lets you bid on contracts and apply for federal assistance, and SAM.gov assigns your Unique Entity ID as part of it.
How long does SAM.gov registration take?: SAM.gov advises allowing at least ten business days after you submit for your registration to become active. It can take longer if your TIN or CAGE code fails validation.
How often do I need to renew my SAM.gov registration?: Every 365 days. You can update your registration anytime through your Entity Workspace.

SetAside Signal is an independent publication, not a government agency, and this isn't legal advice. Rules change, so confirm details at sba.gov, sam.gov and acquisition.gov. Reviewed Oct 16, 2026.