From 1 January 2021, significant changes were introduced to the VAT treatment of goods sold to UK customers by overseas businesses, largely as a result of the UK's departure from the EU.
The Gov.uk website contains up-to-date guides for businesses operating in the UK. The VAT guide covers topics like VAT invoicing, VAT treatment for exports and imports, and rules for e-commerce businesses. Here are some links that we recommend you to check.
Changes to VAT treatment of overseas goods sold to customers from 1 January 2021