You’ll only need to show a VAT number on your invoices if your business becomes VAT registered, but VAT registration isn’t a requirement for starting or operating a business. So, if you’re not VAT registered, and you don’t need to be, you can simply send invoices as normal.
If you do become VAT registered, this has an impact on the information you need to show on your invoices. It can lead to all sorts of questions about what happens between registering, and getting your VAT number. Don’t worry, we’re here to explain how VAT works.