samsearch
    Platform
    01InfluenceShape the requirement before it's on your competitor's radar.
    Signal
    Recompete window opens in 42 days
    Facilities maintenance IDIQ$8.4M
    Forecast
    Agency spend up 18% next FY
    DoD facilitiesQ3 window
    02CaptureFind and qualify the work across every market.
    Federal91%
    Network engineering support — GSA MAS
    GSA541512
    SLED88%
    Custodial services — Fairfax County Public Schools
    K-12561720
    DIBBS79%
    Aircraft hydraulic fitting — DLA Aviation
    DLANSN 5330
    03AnalyzeExtract requirements and build the compliance matrix.
    Compliance matrix
    L.2.1Technical approachVol I
    L.3.4Staffing planVol I
    M.1Past performanceEvaluated
    SOW breakdown
    Requirements extracted38
    Mapped to Section L/M38
    Every extractionCited
    Ask Sammy
    “Do we meet the small business set-aside?”
    04ManageRun the pursuit through to award.
    Pipeline
    QualifyFacilities support · USACE
    CaptureComms upgrade · DLA
    ProposalShipyard dredging · NAVSEA
    PriyaAlex
    This week
    Submit past performance refsThu
    Confirm subK teamingFri
    Upload SF 33Mon
    05RespondDraft and submit your response.
    Drafting · Volume I
    247 words
    RFI response
    CompanyAcme Robotics LLC
    UEIJK4M8…
    Capability narrativeDrafted
    06FinanceGet paid faster on what you win.
    Capital available
    $2.4M against your award
    Facilities maintenance IDIQAwarded
    Partner matched
    LenderFederal Capital Partners
    Draw available$2.4M
    UnderwritingCleared
    The platform
    Influence
    Capture
    Analyze
    Manage
    Respond
    Finance
    One pipeline, six stages, start to award.
    See the whole platform
    Solutions
    By industry
    Tech & softwareSoftware and SaaS companies entering GovCon.Defense contractorsPrimes and subs in the defense industrial base.ConstructionBuilders bidding federal, state, and local work.CybersecuritySecurity vendors pursuing federal mandates.
    By team
    Capture managers & BDPipeline, qualification, and win strategy.Proposal teamsCompliance matrices and proposal drafting.Subcontractors & primesTeaming, subcontracting, and partner fit.
    By company size
    Small businessesSet-aside and small business contractors.EnterpriseLarge contractors running multiple pursuits.ConsultantsAdvisors and capture consultants.
    Browse all industries
    CustomersPricing
    ResourcesNew
    Learn
    AcademyCourses, guides, and playbooks.WebinarsLive sessions and recordings.DocsProduct documentation and setup guides.Implementation planOperational rollout guidance.
    Tools & data
    Free GovCon toolsCalculators, lookups, and more.Gov ExploreContracts, agencies, and NAICS codes.GovCon eventsConferences, training, and set-aside events.
    Latest blogIntroducing the New SamSearch: The Operating System for Government ContractingSamSearch has a new brand, a new site, and a new way of explaining what the platform actually does — the operating system for government contracting, organized around six stages instead of a single search box. Here's what changed and why.Read the post →
    All resources and tools
    Sign inRequest a demo
    Home/Glossary/UEI (Unique Entity Identifier)
    Compliance & Regulations

    UEI (Unique Entity Identifier)

    Learn what a UEI (Unique Entity Identifier) is in government contracting. Understand why this 12-character code is mandatory for SAM.gov registration and bidding.

    Glossary entryBrowse contracting officers

    Introduction

    For any business aiming to secure federal work, the administrative landscape can feel complex. A foundational requirement for all federal contractors is the Unique Entity Identifier (UEI). As of April 4, 2022, the federal government transitioned away from the third-party DUNS number system to a government-managed identifier. Understanding the UEI is not just a bureaucratic checkbox; it is the primary key that unlocks your ability to bid on contracts, receive payments, and maintain compliance within the federal marketplace.

    Definition

    The Unique Entity Identifier (UEI) is a 12-character alphanumeric code used by the federal government to uniquely identify entities that do business with the government. Governed by the System for Award Management (SAM), the UEI is the official identifier required for all federal procurement and financial assistance awards. Unlike previous systems, the UEI is generated directly through SAM.gov, ensuring that the government maintains full control over entity data without reliance on external private databases.

    Key Regulatory Context

    Under FAR Part 4.605, federal agencies are prohibited from awarding a contract to any offeror unless that offeror has provided a valid UEI. This mandate ensures that every vendor is properly vetted and that their performance history, financial data, and compliance status are accurately tracked across federal agencies.

    Examples

    To understand how the UEI functions in practice, consider these common scenarios:

    1. Contract Bidding: When a small business submits a proposal via SAM.gov or PIEE (Procurement Integrated Enterprise Environment), the solicitation will require the UEI. Without a valid, active UEI, your proposal will be deemed non-responsive by the Contracting Officer.
    2. Subcontracting: Prime contractors are required to report their subcontracts to the Federal Funding Accountability and Transparency Act Subaward Reporting System (FSRS). To report these subawards accurately, the prime contractor must input the UEI of the subcontractor.
    3. Grant Management: Non-profits and research institutions applying for federal grants must utilize their UEI to ensure that funding is routed to the correct legal entity, preventing errors in financial disbursement.

    Frequently Asked Questions

    How is the UEI different from a CAGE code?

    A CAGE (Commercial and Government Entity) code is a five-character identifier used primarily for logistics and security purposes, while the UEI is the primary identifier for entity registration and financial tracking. You need both to do business with the government.

    Is there a cost to obtain a UEI?

    No. Obtaining a UEI is entirely free through SAM.gov. Be wary of third-party websites that claim to charge a fee to "expedite" your UEI registration; these are often scams. Using a platform like SamSearch can help you navigate the registration process without falling victim to predatory services.

    What happens if my UEI is inactive?

    If your UEI registration in SAM.gov expires, you cannot be awarded new contracts, and you may face delays in receiving payments on existing contracts. It is critical to renew your SAM registration annually.

    Do I need a new UEI if I change my business name or address?

    Not necessarily. The UEI is designed to stay with the legal entity. However, you must update your entity information in SAM.gov immediately following any legal name change or change of address to ensure your profile remains compliant.

    Conclusion

    The UEI is the cornerstone of your federal contracting identity. By ensuring your UEI is correctly registered and maintained in SAM.gov, you establish the baseline compliance necessary to compete for federal dollars. For contractors looking to streamline their market research and compliance tracking, leveraging tools like SamSearch can help you stay ahead of these administrative requirements, allowing you to focus on winning contracts rather than managing paperwork.

    More in Compliance & Regulations

    ADA (Americans with Disabilities Act)

    Learn how the ADA impacts government contractors, including requirements for accessibility, reasonable accommodation, and Section 508 compliance.

    Uniform Construction Code NJ

    Learn the essentials of the Uniform Construction Code (NJUCC) for government contractors in New Jersey to ensure compliance and avoid project delays.

    FAR 52.243-2

    Learn how FAR 52.243-2 governs changes in cost-reimbursement contracts, including your rights to equitable adjustments and proper documentation requirements.

    OCI (Organizational Conflict of Interest)

    Learn about Organizational Conflict of Interest (OCI) in government contracting. Understand FAR 9.5, mitigation strategies, and how to avoid bid disqualification.

    SAM.gov Login

    Learn how to navigate the SAM.gov login process using Login.gov. Essential guidance for government contractors on security, compliance, and entity management.

    SCIF (Sensitive Compartmented Information Facility)

    What does SCIF stand for? Learn about Sensitive Compartmented Information Facilities (SCIF), ICD 705 compliance, and how they impact government contracting.

    Defense Federal Acquisition Regulation

    Learn about the Defense Federal Acquisition Regulation (DFARS), the essential DoD supplement to the FAR. Understand compliance, key clauses, and procurement.

    FAR Regulations

    Learn the essentials of FAR Regulations. Understand how the Federal Acquisition Regulation impacts your government contracts, compliance, and bidding success.

    ← Back to all glossary terms
    See this concept in Gov Explore

    Use the glossary definition, then move straight into the buyer, category, and demand views tied to the same concept.

    Browse contracting officers

    Move from acquisition language into the buyer directory and officer activity.

    Search the live market

    Open this term inside SamSearch to look for matching opportunities, awards, and agency activity.

    Search for UEI (Unique Entity Identifier)

    More ways to explore

    NAICS Demand LanesPSC Contract Lanes

    What Our Customers Say

    Join hundreds of government contractors who have transformed their business with SamSearch

    “SamSearch has been a lifesaver for our business. As a govCon consultant helping small businesses win contracts, this tool is all I need to find the right requirements at every level of government. After experimenting with the product, I've discovered features I didn't even know existed. It's affordable, and it's the best on the market.”
    NikkiCEO, TSBA | Ex US Navy and US Air Force
    “I was blown away by the 2.0 update. I didn't think they could improve the platform any further, but they did. It's more user-friendly and efficient than ever before.”
    Bobby HughesBusiness Owner, BH Consulting LLC
    “I'm a strategy and growth consultant helping small businesses break into SLED and grow. With 25 years in the AEC industry (BD, marketing, proposals) and APMP certification, I left corporate consulting to start my own firm. This tool is a game changer.”
    Amanda CerchiaraStrategy & Growth Consultant, Independent
    “Best way to find Government Contracts.”
    Jonathan SeifertDirector of Partnerships, Easy Llama
    “We use the software and it's been great! All of our government contracting operations are through SamSearch.”
    Jennifer RosiekFounder & CEO, APB Services
    “It keeps me engaged and interested in what I'm looking for, unlike the cumbersome process on other platforms.”
    Andrew RiceSenior Oversight @ Lyft and Partner & Vice President, Groundbreaking Construction

    Close More Government Opportunities Today

    Get Started Now
    samsearch

    The Complete AI Platform for Government Contracting

    Platform
    • Product
    • Pricing
    • ROI calculator
    • Integrations
    • Changelog
    Solutions
    • Solutions
    • Customers
    • Comparisons
    • Market watch
    Resources
    • Blog
    • Free GovCon tools
    • Glossary
    • Docs
    Company
    • API & partnerships
    • Careers
    • Support
    • Compliance
    • Trust centre
    • Contact
    Recognised & verified
    SOC 2 Type II Compliant, SamSearchAWS Partner - Advanced, SamSearch on AWS MarketplaceGartner Peer Insights Customer First, SamSearch
    Ask AI about samsearch
    Ask ChatGPTAsk ClaudeAsk Perplexity
    Follow

    © 2026 samsearch. All rights reserved.

    Terms of usePrivacy policy