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How do I know whether I have a DUNS number or not?

Case 1: You have a number and all information is up to date

1. Go to https://www.dnb.com/ca-en/duns-number.html 

2. Click on DUNS NUMBER and Select DUNS 

3. Click on D-U-N-S Number Lookup to check if you already have one.

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9. Here is a sample of the email you shall receive 

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Case 2: You have a number and but need to update the information

Same steps as Case1 1 to 6 . If you need to update your information.

• Call Dun & Bradstreet at 18004636362

• use the Live chat feature on their website

• Or email cic@dnb.com

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Case 3: You Don’t have a Duns number and need to apply for one

You can contact Dun & Bradstreet:

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