D-U-N-S® Number

Give your business a
global identity with the
D-U-N-S® Number

The D-U-N-S® Number is a unique nine-digit identifier recognized by companies, governments, and institutions worldwide.

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One identifier. More opportunities

Your D-U-N-S® Number helps establish a recognizable business identity and strengthens your relationships with customers, suppliers, and partners.

Be recognized

Make it easy for organizations to verify your business with an identifier used around the world.

Build trust

Help customers and partners link your business information to one consistent business identity.

Open new doors

Be ready for the moment a prospective business partner asks for your D-U-N-S® Number.

Request my D-U-N-S® Number

Your next business opportunity can start with your D-U-N-S® Number

Large companies

Work with larger companies

A prospective customer requests your company's identification details during their onboarding process.

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Suppliers

Qualify as a supplier

Meet the onboarding requirements of large buyers and supply chains with an identifier recognized worldwide.

Who is asking you for it?

VWWalmartOxxoFDAUS Government

See options

Business partners

Request it to verify the credibility and reputation of your business partners

Learn more

Your company's identity starts here

Choose the request option that fits your timeline.

Standard

Standard D-U-N-S®

Request a D-U-N-S® Number through the standard application process.

Processing time

30 business days

Requirement

SAT connection

Standard request

Express

D-U-N-S® Express

An expedited option for companies that need their D-U-N-S® Number sooner.

Processing time

8 business days / 48 hours

Requirement

SAT connection

Express request

Getting started is easier than you think

STEP 1

Find your business

Check whether your business already has a D-U-N-S® Number.

STEP 2

Submit your request

Go to Dunsguide and provide your company information.

STEP 3

Receive your D-U-N-S®

Track your request and view your D-U-N-S® Number once it is assigned.

Request my D-U-N-S® Number

Your D-U-N-S® Number is just the beginning.

Dunsguide is the CIAL Dun & Bradstreet platform that helps you request, manage, and keep the information behind your D-U-N-S® Number up to date.

Search by D-U-N-S® or RFC

Update your information

Claim your company profile

Go to Dunsguide

Ask your favorite AI about the D-U-N-S® Number

Learn more about how to get and use your D-U-N-S® Number

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FAQ

What is a D-U-N-S® Number?+

The D-U-N-S® Number is a unique nine-digit identifier that Dun & Bradstreet assigns to a business. Organizations around the world use it to identify companies and link them to their business information.

Is the D-U-N-S® Number free?+

A standard, no-cost application option may be available. An expedited option, D-U-N-S® Express, may also be offered as a paid service. Terms vary by country, so confirm the current conditions for your market before applying.

How do I find my existing D-U-N-S® Number?+

Look up your company by D-U-N-S® Number or RFC on Dunsguide. If you cannot find it, contact CIAL Dun & Bradstreet to confirm whether your company already has a number before requesting a new one.& Bradstreet to confirm whether your company already has a number before requesting a new one.

How long does it take to be assigned?+

Timing depends on the type of request, the country, and the validation of your company information. Confirm the current estimated time for your market before starting an urgent request.

Can I update my company information?+

Yes. You can request an update to the information associated with your company. With Dunsguide you can also claim your company profile and manage its information.

Already have a D-U-N-S® Number? Keep your information up to date+

Your D-U-N-S® Number is tied to your company profile. If your information has changed — such as legal name, address, contact details, legal representative, business activity, or financial information — you can request an update so your profile accurately reflects your business.

General changes: legal name, trade name, address, phone, website, or contact details.
Legal or tax changes: RFC, legal structure, legal representative, headquarters, branches, or subsidiaries.
Operational or financial changes: main activity, company size, sales, employees, or financial information.
Profile corrections: incomplete, outdated, or incorrect information associated with your D-U-N-S® Number.

Is the D-U-N-S® Number the same as the RFC?+

No. The RFC is issued by the SAT, Mexico’s tax authority. The D-U-N-S® Number is assigned by Dun & Bradstreet and does not replace your RFC or any official registration.

Policies and processing times may vary by country. Confirm the current terms for your market.