Getting a DUNS number is one of those business tasks that sounds more complicated than it actually is. Whether you’re setting up your business for the first time, applying for government contracts, or trying to establish business credit, this nine-digit identifier is often a required first step. The good news? It’s completely free and you can request one in under 15 minutes.
What You’ll Accomplish
By the end of this guide, you’ll have submitted a request for your own DUNS (Data Universal Numbering System) number through Dun & Bradstreet (D&B), the company that issues them. You’ll understand exactly what information you need beforehand, how long the process takes, and what to do once your number arrives.
Who This Guide Is For
This guide is for:
- New business owners setting up their company profile for the first time
- Entrepreneurs applying for federal contracts or grants (which require a DUNS number, or its successor identifier, the Unique Entity ID)
- Business owners trying to establish or build business credit
- Companies working with vendors, suppliers, or partners who request a DUNS number for verification
What You’ll Need
Before diving in, gather:
- Your legal business name and any trade name (DBA)
- Physical business address (not a P.O. Box)
- Mailing address, if different
- Business phone number
- Name of the business owner or authorized contact
- Legal structure of your business (LLC, corporation, sole proprietorship, etc.)
- Number of employees at your location
- Year your business started
- Annual sales/revenue figures (an estimate is fine for new businesses)
Having these details on hand before you start will make the application move much faster.
Before You Start
Prerequisites
You don’t need to have a fully operational business to get a DUNS number — even startups and businesses in the planning stage can apply, as long as they have a legitimate business address and contact information. However, you should have your business entity already formed (or at least named and structured) since the application asks for your legal business name and structure type.
Preparation Steps
1. Decide on your official business name. This should match what’s on your formation documents (articles of organization, articles of incorporation, etc.) if you’ve already registered your entity.
2. Confirm your business address. D&B uses this to check for duplicate records, so make sure it’s accurate and consistent with other business filings.
3. Check whether you already have a DUNS number. Many businesses are surprised to learn D&B already has a record for them, especially if they’ve previously interacted with a supplier or financial institution that reports to D&B. Skipping this check is one of the most common mistakes — more on that below.
Information to Gather
Double-check these details for accuracy before submitting anything:
- Legal entity name and structure
- Physical location address
- Primary contact’s full name, title, phone number, and email
- Business start date
- Line of business or industry (SIC code, if known)
Step-by-Step Process
Step 1: Check If You Already Have a DUNS Number
Before applying, search D&B’s free lookup tool to see if a number already exists for your business. Duplicate DUNS numbers can create headaches later, especially if you’re applying for government contracts through SAM.gov. Search using your business name, address, and phone number.
Tip: If you find an existing number but the information is outdated, you can request an update rather than applying for a new one.
Step 2: Visit the D&B Website
Go to the official Dun & Bradstreet website and navigate to their DUNS number request page. Make sure you’re on the legitimate D&B site — there are third-party services that charge fees for something that’s free directly from D&B.
Tip: Bookmark the official page so you don’t accidentally end up on a paid lookalike site.
Step 3: Select Your Business Type and Reason for Applying
D&B will typically ask why you need a DUNS number (business credit, government contracting, supplier requirements, etc.). Select the option that best matches your situation — this can sometimes affect processing time.
Step 4: Complete the Application Form
Fill in all requested fields:
- Legal business name
- Trade name/DBA, if applicable
- Business address and mailing address
- Phone number
- Legal structure
- Number of employees
- Year business started
- Contact person’s details
Tip: Use your business’s legal name exactly as it appears on your formation documents. Inconsistencies between D&B records and other registrations (like your EIN or SAM.gov profile) can cause delays down the road.
Step 5: Submit Your Request
Review everything carefully before hitting submit. Once submitted, you’ll typically receive a confirmation email with a reference number.
Tip: Save this confirmation email — you may need the reference number if you need to follow up on your application status.
Step 6: Wait for Processing
Standard processing time is typically 1-2 business days for most requests, though it can take up to 30 days in some cases. If you need it urgently (for example, for a government contract deadline), D&B has sometimes offered expedited processing for a fee — check current options if time is critical.
Tip: Apply well ahead of any deadlines. Don’t wait until the week before a contract submission is due.
Step 7: Receive and Record Your DUNS Number
Once approved, you’ll receive your nine-digit DUNS number via email. Store it somewhere secure and easily accessible — you’ll likely need it repeatedly for vendor applications, credit checks, and government registrations.
Requirements
Documents Needed
Technically, D&B doesn’t require you to upload formal documents for a basic DUNS number request. However, having these on hand helps you fill out the form accurately:
- Articles of Organization or Incorporation
- EIN confirmation letter from the IRS
- business license (if applicable)
Information Required
- Legal business name and any DBA
- Physical address (P.O. Boxes aren’t accepted for the primary address)
- Contact name, phone, and email
- Business structure and start date
- Estimated employee count and revenue
State Considerations
DUNS numbers are issued at the federal/international level through D&B, so there’s no state-specific application process. However, if your business operates in multiple states or has multiple physical locations, each distinct location may require its own DUNS number. Keep this in mind if you’re expanding or have several branches.
Tips for Success
- Apply early. Even if you don’t need it immediately, having a DUNS number on file makes future applications (like SAM.gov registration) faster.
- Match your records exactly. Use the same business name and address across your DUNS application, EIN registration, and state filings to avoid mismatches that can flag your application for review.
- Use a real physical address. Virtual mailboxes and registered agent addresses are sometimes accepted, but a genuine business location reduces verification delays.
- Go directly to D&B. Never pay a third party for a DUNS number — the direct application through Dun & Bradstreet is free.
- Keep your information updated. If you move locations, change your legal name, or restructure your entity, update your D&B record so your number stays accurate.
Common Mistakes
Applying for a duplicate number. This is the most common issue. Always search D&B’s database first before submitting a new request.
Using inconsistent business names. If your legal name on file with the state doesn’t match what you submit to D&B, it can create confusion later, especially during government contract verification. Fix this by updating your D&B profile to match your official formation documents.
Providing a P.O. Box as your primary address. D&B requires a physical location. If your application gets rejected for this reason, resubmit with your actual business address.
Rushing through the estimated revenue and employee fields. These don’t need to be perfect, but wildly inaccurate figures can raise flags. Provide honest estimates.
Assuming DUNS numbers are needed for everything. Note that D&B has been phasing in the Unique Entity ID (UEI) system for federal government registrations through SAM.gov, which no longer strictly requires a separate DUNS lookup step for new SAM registrants. If you’re applying for government contracts, verify current requirements on SAM.gov, since a DUNS number may still be generated automatically or may no longer be the primary identifier depending on current federal guidelines.
Next Steps
Once you’ve secured your DUNS number, here’s what typically comes next:
1. Register with SAM.gov, if you’re pursuing federal contracts. Your entity registration there will connect to your business identifiers.
2. Build your business credit profile. Your DUNS number is the foundation for a D&B credit file, so start establishing trade lines and payment history with vendors that report to D&B.
3. Share your DUNS number with vendors and partners who require it for onboarding or credit checks.
4. Keep your D&B profile current. Update your address, revenue, and contact information periodically so lenders, partners, and agencies see accurate data.
5. Consider related registrations, like your EIN, state business licenses, and trademark protections, if you haven’t completed these already.
FAQ
1. Is getting a DUNS number really free?
Yes. Dun & Bradstreet does not charge for a standard DUNS number request. Be cautious of third-party sites that charge fees for this free service.
2. How long does it take to get a DUNS number?
Most requests are processed within 1-2 business days, though it can take up to 30 days in some cases. Apply early if you’re working toward a deadline.
3. Do I need a DUNS number if I’m not pursuing government contracts?
Not necessarily, but many vendors, suppliers, and lenders use DUNS numbers to verify businesses and build credit profiles. It’s useful to have even if you’re not contracting with the government.
4. Can a sole proprietor get a DUNS number?
Yes. Sole proprietors, LLCs, corporations, and nonprofits can all request a DUNS number as long as they have a valid business address and contact information.
5. What’s the difference between a DUNS number and an EIN?
An EIN (Employer Identification Number) is issued by the IRS for tax purposes. A DUNS number is issued by Dun & Bradstreet and is used for business identification, credit reporting, and government contracting. You’ll likely need both as your business grows.
Conclusion
Getting your DUNS number is a small but important step in establishing your business’s credibility and opening doors to contracts, credit, and partnerships. It costs nothing, takes just minutes to apply for, and pays off down the road when you need to prove your business’s legitimacy to lenders, vendors, or government agencies.
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