SAM.gov registration is the route to bid on federal contracts and apply for federal assistance. A school district or state agency buying with its own funds usually follows its own vendor process instead. Still, some buyers ask for a Unique Entity ID, so know the difference. Check the buyer's bid instructions. This is not legal advice.
Terms you will see
SAM.gov is the federal system where organizations register to do business with the U.S. government.
Registration is the full process that lets you bid on government contracts and apply for federal assistance. SAM.gov says you need it if you want to apply for federal awards as a prime awardee.
Unique Entity ID (UEI) is the identifier assigned to your organization. It is assigned during registration. SAM.gov also lets you request a UEI without completing a registration.
Registration versus UEI only
| Full registration | UEI only | |
|---|---|---|
| Purpose | Bid on federal contracts, apply for federal assistance | Get an identifier without registering |
| Data needed | A large set of entity information | Legal business name and physical address, per SAM.gov |
| Typical user | Prime contractors and awardees | Organizations such as sub-awardees who only report |
| Account | Login.gov sign in, then profile | Login.gov sign in, then profile |
SAM.gov states that if you do not want to apply directly for awards, you do not need a registration, and that some transaction types, such as reporting as a sub-awardee, may need only a UEI.
Why a school or state buyer may still bring it up
Public bodies often spend federal money passed through grants or other programs. When they do, the buyer's compliance team may want to confirm your entity details. A UEI gives them a standard identifier. Other buyers use their own vendor registration portal and never mention SAM.gov. You cannot tell from the outside, so ask early.
A short decision path
- Read the solicitation or vendor onboarding page. Look for the words "SAM," "UEI" or "federal funds."
- If the buyer is a federal agency, or you plan to be a prime on a federal award, plan for full registration.
- If the buyer only asks for an identifier, check whether a UEI alone is accepted.
- If the buyer names a state registry, follow that process instead.
- Keep your legal name and address identical across SAM.gov, your contracts and your invoices. Mismatches slow onboarding.
Practical tips
- Start before the deal needs it. SAM.gov describes registration as requiring a lot of information, and it has its own checklist download.
- Give one person ownership of the account, since sign in runs through Login.gov.
- Note renewal dates in your own calendar rather than relying on reminders. Check SAM.gov for the current renewal rule.
- Do not assume the answer for one buyer applies to the next. Each public entity sets its own vendor rules.
For the wider buying journey, see the steps in a public sector security tool purchase.
Quick check
Is a UEI the same as a SAM.gov registration?
No. A UEI is an identifier. Registration is the fuller process needed to bid on federal awards. You can request a UEI without registering.
Does every school district require SAM.gov?
No. Many use their own vendor processes. Read the buyer's instructions.
Sources
Last reviewed: 19 October 2026.
