Look Up Your International DUNS Number For Free – Tools & Tips

Whether you’re establishing partnerships with international companies, applying for grants, or registering your organization with platforms like Apple, you may need a DUNS number. But how do you determine if your company already has one? And how can you find another organization’s DUNS number?

This guide explains exactly how to search for a DUNS number — both for your own organization and for other companies worldwide.

What is a DUNS Number?

A DUNS number (Data Universal Numbering System) is a unique, nine-digit business identification code issued by Dun & Bradstreet. It serves as a global standard for identifying and tracking companies, making it essential for international business transactions and verifications.

1. Look Up An International DUNS Number With This Free German Site

On the official DUNS website, you can look up free numbers for businesses in the United States.

For Dutch businesses, however, you’ll be redirected to Altares.nl, where requesting a DUNS number can easily cost you €15 (if you already have one).

Fortunately, there’s also a free way to request an international DUNS number with this German site (you can translate it of course):

• Bisnode
• Is the link above not working? Then try DNB.com DE
• Apple developers may also be able to use Apple’s tool (more explanation here site)

When it doesn’t work you have more options:

2. Finding Your Own Company’s DUNS Number for US

If you need to verify whether your organization already has a DUNS number, follow these steps:

Through Dun & Bradstreet:

• Navigate to the DUNS lookup tool at: https://www.dnb.com/duns-number/lookup.html
• Enter your company details, including:
  • Legal business name
  • City or town
  • Country
• The system will indicate whether a DUNS number exists for your organization. If one is found, you can have it sent to your business email address.

💡 Tip: Use your official registered business name as it appears in your country’s business registry.

No Results Found?

If your company isn’t in the database yet, you can submit a request directly through the website. This process is typically free and takes several business days to complete.

3. Looking Up Another Company’s DUNS Number

Need to find the DUNS number for a supplier, customer, or business partner? You can search for other organizations through Dun & Bradstreet as well:

• Visit the D&B Business Directory: https://www.dnb.com
• Enter the company name and location details in the search function.
• The results will display basic information, which may include the DUNS number.

📌 Note: For more detailed company information, you may need to create a free account or purchase a comprehensive business report.

3. Through Apple Developer (For App Developers)

If you’re setting up an organizational Apple Developer account, Apple provides its own DUNS lookup service:

• Go to Apple Developer DUNS Lookup
• Submit your company information
• Apple will confirm whether a DUNS number exists or guide you through the application process.

Frequently Asked Questions

❓ Is Every Company Automatically Registered with D&B?

Not necessarily. While larger, established companies are often already in the D&B database, smaller businesses or newly formed organizations may need to register manually.

Summary

Looking up a DUNS number is straightforward once you know where to search. Whether you need to locate your own number or find one for another company, the right tools make the process simple. Don’t have a DUNS number yet? The application is free and quick to complete, giving your business global recognition and credibility.