Shiptheory is a trading name of Hightower IT LTD, registered company #06077443 in the U.K. We are VAT registered and are required to charge 20% VAT to all of our U.K Customers. If you are not in the UK, we will charge you the appropriate amount of tax based on your billing address and tax ID. 

Updating your Tax ID and Billing Address

While checking out, you are able to update your tax ID and billing address. If you wish to update your tax ID or billing address later, you can do so by clicking the Manage Payment Methods button from bottom left corner of the Billing page:

If you are already subscribed to a paid package and change your billing address, any VAT charges on your future subscriptions payments will not be altered. Please contact us for assistance if required.