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Definition guide

What Is SAM.gov Registration? GSA Contractor Requirements

SAM.gov registration replaced DUNS/CCR and is mandatory for all federal contractors. Learn how to register, get your UEI, and keep your registration active.

Fundamentals8 min readUpdated March 27, 2026For vendors, contracts teams, and acquisition learners

Plain-English answer

SAM.gov registration replaced DUNS/CCR and is mandatory for all federal contractors. Learn how to register, get your UEI, and keep your registration active.

Core takeaway

What this term means in practice

  • SAM.gov registration replaced DUNS/CCR and is mandatory for all federal contractors. Learn how to register, get your UEI, and keep your registration active
  • Use this page to understand the rule, threshold, or platform before making application or pricing decisions.
  • Follow the related guides below if you need the operational next step after the concept.

Page map

Start with these sections

Why SAM matters more than people expectThe parts worth paying attention to

SAM.gov registration is the entity foundation for federal contracting. The registration itself is straightforward, but what matters for GSA work is keeping the entity record clean, current, and aligned with everything else in the offer package.

Why SAM matters more than people expect

If your SAM record is inconsistent, stale, or incomplete, every downstream step becomes harder. That is why experienced contractors treat SAM as part of contract infrastructure, not as a one-time registration chore.

The parts worth paying attention to

  • Entity identity and UEI consistency.
  • Annual renewal discipline.
  • Alignment between SAM information and your offer/support files.

Read next: UEI guidance, application checklist, and eOffer submission.

FAQ

Questions readers usually have next

What is the short answer to what is sam.gov registration? gsa contractor requirements?

SAM.gov registration replaced DUNS/CCR and is mandatory for all federal contractors. Learn how to register, get your UEI, and keep your registration active.

Who should pay closest attention to this topic?

Business owners, contracts managers, proposal leads, and anyone building or operating a GSA Schedule contract should understand how this topic affects eligibility, pricing, or order execution.

What related GSA topic usually comes next?

Most readers next need either the application checklist, pricing guidance, compliance operating rules, or a contract-vehicle comparison depending on where they are in the Schedule lifecycle.

Keep going

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