Grant May 30, 2017 03:28 What is Umart's Australian Business Number (ABN)? Umart's ABN is 74 076 486 416. This can also be found at the top of all of our receipts. Was this article helpful? 4 out of 6 found this helpful Have more questions? Submit a question Related articles Umart Amazon Price Match Guarantee What does 24-48hrs mean? What is Umart Online's Phone Number? About Umart Online How do i change the Billing Address on my account?