If you've received an invoice showing a VAT number and thought, "Should I just trust this?" the honest answer is: not always. A VAT registration check takes under two minutes, costs nothing, and could save your business from a costly mistake. What Is a VAT Number? A VAT number is the unique code HMRC assigns to a business once it's registered for Value Added Tax. In the UK, it looks like this : GB123456789 for businesses in England, Scotland, and Wales XI123456789 for Northern Ireland businesses trading with the EU It appears on every VAT invoice, confirms that a business is legally registered to charge VAT, and allows customers to reclaim VAT on eligible business purchases. If the VAT number is fake or invalid, HMRC can reject the VAT claim and you may not be able to recover the amount paid.. Do You Need to Register for VAT? You must register for VAT once your taxable turnover exceeds £90,000 in any rolling 12-month period. That's the threshold for 2025/...
Expert insights on UK accounting, bookkeeping, VAT, payroll, corporation tax, and HMRC compliance for small businesses, startups, landlords, and limited companies.