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Avalara Help Center

Find your company ID number

This article applies to:Avalara AvaTax Update

When you create a company in AvaTax Update, it's assigned a unique ID number to differentiate it from every other company created by users of AvaTax Update. Avalara Support or other Avalara teams may ask you for a company ID when they're troubleshooting problems or researching issues on your behalf.

To find a company ID number:

  1. Click Switch company and choose the company that you want to find the ID for
  2. Examine the web address after AvaTax Update has finished loading

Your AvaTax Update homepage web address is something like "" The ten digits following "a/" are your AvaTax Update account number, and the four to seven digits following "c/" are the ID number of the currently active company.

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