When Should a UK Freelancer Register for VAT?

Most freelancers think VAT registration is something that happens to them — a letter from HMRC when turnover crosses £90,000 in a rolling 12 months. But you can register voluntarily at any point, and for some freelancers it is one of the smartest financial moves they make. For others, it is a costly mistake. Here is how to tell which camp you are in. The compulsory trigger is simple: cross £90,000 of VAT-taxable turnover in any rolling 12-month period (the threshold since April 2024) and you must register within 30 days.