What is a DUNS Number and who issues it?

A DUNS Number is a unique nine-digit identifier assigned to businesses by Dun & Bradstreet. It's used globally to identify and track millions of businesses in commercial and government transactions.

Is a DUNS Number required for federal government contracting?

No. Current SAM.gov entity registration assigns and uses the government-issued Unique Entity ID (UEI). DUNS remains a commercial and legacy identifier, not the identifier assigned during current federal registration.

How do I obtain a DUNS Number for my business?

DUNS Numbers are managed by Dun & Bradstreet for commercial purposes. Businesses seeking federal awards should follow current SAM.gov entity-registration instructions and use the UEI assigned there.

Is the DUNS Number the same as my EIN or Tax ID?

No, the DUNS Number is different from your EIN or Tax ID. The DUNS Number is used for business identification in contracting and credit purposes, while the EIN is used for federal tax purposes.

Do small businesses need a DUNS Number?

No. Current federal entity registration uses the UEI assigned through SAM.gov. A DUNS Number is not the identifier assigned during federal registration, regardless of entity size.

What regulations require the use of DUNS Numbers?

DUNS appeared in older federal acquisition requirements, but current SAM.gov registration uses UEI. Contractors should consult the active FAR text and current SAM.gov guidance rather than relying on archived DUNS requirements.

How long does it take to receive a DUNS Number?

The standard DUNS Number application process typically takes 1-2 business days. Expedited processing may be available if you need the number more quickly for an urgent contract opportunity.

Do I need a new DUNS Number if my business relocates?

No, you don't need a new DUNS Number if your business moves. However, you should update your business information with Dun & Bradstreet to maintain accuracy in their records.

What information is linked to my DUNS Number?

Your DUNS Number is linked to a comprehensive business profile that includes your company name, physical address, phone number, organizational structure, and financial data maintained by Dun & Bradstreet.

Can I use the same DUNS Number for multiple business locations?

Each physical location of your business may require a separate DUNS Number, especially if they operate as distinct entities. Headquarters and branch locations typically have separate DUNS Numbers for accurate tracking.

Is there a fee to obtain a DUNS Number?

A DUNS Number is not needed for current federal entity registration. Businesses that need one for a commercial purpose should consult Dun & Bradstreet for current service and fee information.

How does the DUNS Number relate to SAM registration?

DUNS was formerly used by SAM, but current SAM.gov entity registration assigns and uses the government-issued UEI.

What happens if my DUNS Number information becomes outdated?

Update federal registration information directly in SAM.gov. Changes to a commercial DUNS record are managed separately through Dun & Bradstreet.

Can international businesses obtain a DUNS Number?

Yes, DUNS is a global commercial identification system. Foreign entities seeking U.S. federal awards should follow current SAM.gov registration guidance and use the UEI assigned through that process.

How is the DUNS Number different from a CAGE code?

A DUNS Number is a commercial identifier issued by Dun & Bradstreet. A CAGE code is a government identifier used in federal procurement. Current SAM.gov entity registration uses UEI rather than DUNS.

Does a DUNS Number expire?

A DUNS Number does not expire, but you must keep your business information current with Dun & Bradstreet. Regular updates help maintain the accuracy and validity of your business profile.

What should I do if my DUNS Number application is delayed?

If your application exceeds the typical 1-2 business day timeframe, contact Dun & Bradstreet customer service directly. You may also inquire about expedited processing if you have an urgent deadline for contract submission.

Can I search for other companies by their DUNS Number?

Yes, you can use DUNS Numbers to search for and verify business information through Dun & Bradstreet's database. This is helpful for finding potential teaming partners or verifying subcontractor credentials in government contracting.

Is the DUNS Number used outside of government contracting?

Yes, DUNS Numbers are widely used beyond government contracting. They're used for business credit reporting, supply chain management, and corporate identity verification in commercial transactions worldwide.

What's the relationship between DUNS Numbers and the Unique Entity Identifier?

The federal government transitioned from using DUNS Numbers to a new Unique Entity Identifier (UEI) system managed by SAM.gov. While DUNS Numbers are still relevant for credit and commercial purposes, the UEI is now used for federal contracting identification.

DUNS Number vs. UEI: What Federal Contractors Use Now

Understanding the DUNS Number in Government Contracting

I. Introduction

The DUNS Number is a nine-digit commercial business identifier created by Dun & Bradstreet. It was previously used to identify entities in federal procurement systems, but the U.S. government replaced DUNS with the government-issued Unique Entity ID (UEI) for SAM.gov in April 2022. This article explains the legacy role of DUNS, where it may still appear, and what federal contractors use now.

II. Definition

A. Clear, Concise Definition of the Subject

A DUNS Number, short for Data Universal Numbering System, is a unique nine-digit identifier assigned to businesses by Dun & Bradstreet (D&B). This number is used globally to identify and track millions of businesses.

B. Breakdown of Key Components

1
Unique Identifier: The DUNS Number is unique to each business, ensuring that no two businesses share the same identifier.
2
Global Usage: It is recognized and used internationally, making it a critical component for businesses engaged in global trade.
3
Business Information: The number is linked to a comprehensive business profile that includes information such as company name, address, phone number, and financial data.
4
Standardization: The DUNS Number standardizes business identification, which is crucial for data consistency and accuracy.

C. Simple Examples to Illustrate the Concept

For example, an older federal award record may identify a company with a DUNS Number because that record predates the 2022 transition. A current contractor registering in SAM.gov instead receives a UEI directly through that system. The business may still maintain a DUNS Number for commercial purposes, but it is no longer the federal entity identifier.

III. Importance in Government Contracting

A. How the Subject is Used in the Context of Government Contracting

DUNS served as the federal entity identifier before April 2022 and therefore remains common in historical contract, grant, and vendor records. Current SAM.gov registrations use UEI. Contractors researching historical awards may encounter both identifiers and should not assume that a legacy DUNS Number is the identifier used for a current federal registration.

B. Brief Mention of Relevant Laws, Regulations, or Policies

DUNS appears in older federal acquisition rules and archived solicitations because it was the identifier in use when they were published. Current SAM.gov registration guidance states that SAM.gov assigns a Unique Entity ID during registration. Contractors should rely on current SAM.gov and Acquisition.gov instructions when an older document still uses DUNS terminology.

C. Implications for Government Contractors

For current federal contracting, the critical first step is registering the entity in SAM.gov and obtaining a UEI. Depending on the entity and work, contractors may also use a Taxpayer Identification Number (TIN), CAGE code, NAICS codes, and other program-specific identifiers. A DUNS Number is not required to obtain a UEI or complete current SAM.gov entity registration.

IV. Frequently Asked Questions

A. Answers to Common Questions Beginners May Have About the Subject

1
How do I obtain a DUNS Number?
- DUNS Numbers are managed by Dun & Bradstreet for commercial purposes. Current federal entity-registration instructions are available from SAM.gov.
2
How long does it take to get a DUNS Number?
- DUNS processing is separate from federal entity registration. Consult current commercial service information if your business needs a DUNS Number for a non-federal purpose.
3
Is the DUNS Number the same as my Tax ID or EIN?
- No, the DUNS Number is different from your Tax ID or EIN. The DUNS Number is used for business identification purposes, while the Tax ID or EIN is used for tax purposes.
4
Do I need a new DUNS Number if my business moves?
- No, you do not need a new DUNS Number if your business moves. However, you should update your business information with Dun & Bradstreet to ensure accuracy.

B. Clarification of Any Potential Confusion or Misconceptions

A common misconception is that businesses still need a DUNS Number before registering for federal contracts. Current SAM.gov registration instead assigns a UEI. DUNS can remain relevant in commercial systems and historical research, but it is not the identifier assigned by current SAM.gov registration.

V. Conclusion

A. Recap of the Key Points Covered in the Article

The DUNS Number is a nine-digit commercial identifier assigned by Dun & Bradstreet. It was once central to federal entity registration, but current SAM.gov registration assigns a government-issued UEI. Businesses entering the federal marketplace should follow current SAM.gov instructions and use their UEI, while treating DUNS as a legacy or commercial identifier.

B. Encouragement for Beginners to Continue Learning About Government Contracting Subjects

Understanding the DUNS Number is just the beginning. Government contracting involves various identifiers, regulations, and compliance requirements. Beginners are encouraged to continue exploring these topics to build a solid foundation for successful government contracting.

C. Suggestions for Next Steps or Related Subjects to Explore

For those interested in furthering their knowledge, consider exploring the following subjects:

The System for Award Management (SAM) registration process
The Federal Acquisition Regulation (FAR)
Commercial and Government Entity (CAGE) codes
GSA Schedules and how to get on them
Reliable resources for current federal registration guidance include SAM.gov, the Federal Acquisition Regulation (FAR) site, and the General Services Administration (GSA) website. By understanding and leveraging these tools and regulations, businesses can position themselves for success in the competitive world of government contracting.

DUNS Number (Data Universal Numbering System)