Money & Tax / guideVAT registration: the £90,000 threshold, what happens when you cross it, and the scheme most owners never check
Cross £90,000 of rolling turnover and you have 30 days to tell HMRC — and the clock runs whether or not you notice. How the threshold actually works, and when the Flat Rate Scheme beats standard accounting.
11 October 2026 · 3 min read · BusyBusiness Editorial Team
